Harman International Industries, Incorporated Patent applications |
Patent application number | Title | Published |
20150346845 | HANDS FREE DEVICE WITH DIRECTIONAL INTERFACE - Embodiments provide a non-transitory computer-readable medium containing computer program code that, when executed, performs an operation. The operation includes detecting a user action requesting an interaction with a first device and originating from a source. Additionally, embodiments determine a direction in which the source is located, relative to a current position of the first device. A response to the user action is also determined, based on a current state of the first device. Embodiments further include outputting the determined response substantially in the determined direction in which the source is located. | 12-03-2015 |
20150294167 | METHOD AND SYSTEM FOR DETECTING TRAFFIC LIGHTS - A method for detecting traffic lights is provided. The method includes: obtaining a color image captured by a camera; converting the color image into a first monochrome scale image; converting the first monochrome scale image into a first binary image; identifying a first set of candidate blobs in the first binary image based on at least one predetermined geometric parameter; and determine whether a first region in the color image, which first region corresponds to one of the first set of candidate blobs, is a green traffic light using a green traffic light classifier. The accuracy and efficiency may be improved. | 10-15-2015 |
20150249898 | BIONIC HEARING HEADSET - A bionic hearing headset for enhancing directional sound from an external audio source. The headset includes a pair of headphones, each having a microphone array that connects listeners to the environment through a plurality of microphones, even while listening to content presented over the headphones from an electronic audio source. The microphone array signals are first converted into beam-formed directional signals. Diffuse signal components may be suppressed using a common, noise-reduction mask. The audio signals may then be converted to binaural format using a plurality of head-related transfer function (HRTF) pairs. | 09-03-2015 |
20150245017 | VIRTUAL SEE-THROUGH INSTRUMENT CLUSTER WITH LIVE VIDEO - At least one embodiment disclosed herein includes generating a three-dimensional graphical output that includes a three-dimensional representation of a video of an area external to a vehicle, and displaying the three-dimensional graphical output on a three-dimensional display disposed within a vehicle. | 08-27-2015 |
20150244805 | DATA AGGREGATION AND DELIVERY - Embodiments are disclosed for systems and methods for controlling data aggregation and delivery between multiple user devices. In some embodiments, an in-vehicle computing system comprises a processor, an external device interface communicatively coupleable to an extra-vehicle server, and a storage device storing instructions executable by the processor. The instructions may be executable to send user information to the extra-vehicle server, the user information including information identifying a primary user of the in-vehicle computing system, receive targeted information from the server, the targeted information based on contextual information determined from interaction of the primary user with another device, and present the targeted information. | 08-27-2015 |
20150221142 | SELF-MONITORING AND ALERT SYSTEM FOR INTELLIGENT VEHICLE - System, method, and computer program product to perform an operation, by, responsive to receiving a vehicle event notification by a computing system in a vehicle, switching the computing system from a sleep mode to an active mode, sending, to a user, a user notification generated responsive to the vehicle event notification, and returning the computing system to the sleep mode. | 08-06-2015 |
20150220991 | EXTERNAL MESSAGING IN THE AUTOMOTIVE ENVIRONMENT - Systems, methods, and computer program products to perform an operation, by selecting a digital content based on an advertising context, and outputting at least a portion of the selected digital content for display on a transparent display proximate to a window of a display vehicle, whereby the digital content is viewable from a perspective external to the display vehicle. | 08-06-2015 |
20150193069 | SEAMLESS CONTENT TRANSFER - One embodiment provides a non-transitory computer-readable medium containing computer program code that, when executed by a processor, performs an operation. The operation includes detecting a gesture performed by a user and identifying a first device. A direction in which a second device is positioned, relative to the first device, is then determined, based on at least one of 1) the detected gesture and 2) an orientation of the first device. In response to identifying the second device, content to transmit between the first device and the second device is determined. Additionally, the operation includes transmitting the content between the first device and the second device. | 07-09-2015 |
20150191175 | METHOD AND APPARATUS FOR UNIFORM ACCESS OF ONBOARD DEVICES - A method and an apparatus for an application uniformly accessing a plurality of onboard devices of a vehicle are provided. The method includes registering the plurality of devices by assigning each device a device ID; when an application sends a message in a uniform format to at least one device of the plurality of devices, determining an address of each of the at least one device, determining a format of each of the at least one device based on the device ID, translating the message into the format of each of the at least one device, and sending the translated message to the corresponding device of the at least one device. The present disclosure provides a solution which enables applications to access all kinds of onboard devices uniformly, even these devices are made by different manufacturers and each has its specific device driver. | 07-09-2015 |
20150189438 | Context-Based Audio Tuning - A system and method is provided for selecting an audio tuning profile to apply to audio signals to generate a sound field acoustically optimized at least at one listening position in a listening environment, such as a vehicle passenger compartment. Each audio tuning profile may include a number of audio settings to be applied to an audio signal at one or more audio loudspeaker channels. The audio tuning profile may be selected based on the content or the source of the audio data signals. Thus, audio tuning may be based on the context of the audio. | 07-02-2015 |
20150178985 | VIRTUAL THREE-DIMENSIONAL INSTRUMENT CLUSTER WITH THREE-DIMENSIONAL NAVIGATION SYSTEM - System, method, and computer program product to perform an operation, the operation comprising generating a three-dimensional graphical output comprising: a three-dimensional representation of a vehicle instrument cluster comprising a plurality of instruments at a first depth level, and a three-dimensional representation of a navigation system map at a second depth level, and outputting the three-dimensional graphical output for display on a three-dimensional display in a vehicle. | 06-25-2015 |
20150162000 | CONTEXT AWARE, PROACTIVE DIGITAL ASSISTANT - A digital assistant system may be used to proactively retrieve and provide information to a user based on an identified context of the user's environment and/or activities. By monitoring a user's environment and/or activities, an inference can be made about what supplemental information the user may find helpful and/or relevant. The supplemental information can be proactively retrieved and presented to the user. The system can include one or more sensors to gather information about the user's environment and/or activities. The system can also include one or more output modules for proactively providing information to the user, such as a speaker for providing information in an auditory format and a display for providing information in a visual format. The system can be wearable and always on so that it can quickly and unobtrusively provide information to the user. | 06-11-2015 |
20150156572 | SPEAKER AND ITS PRODUCTION METHOD - A speaker and a method of producing a speaker, the speaker including: an enclosure; at least one transducer mounted in the enclosure; and at least one passive radiator mounted in the enclosure, including a suspension and a center panel encircled by and adhered to the suspension, wherein the at least one transducer is combined with the at least one passive radiator, and functions as at least a part of the center panel. According to the speaker of the present disclosure, by fully or partly replacing the center panel of the at least one passive radiator by one or more transducer(s), both the internal space and the cost of the speaker are saved without sacrificing the sound quality. | 06-04-2015 |
20150137998 | USING EXTERNAL SOUNDS TO ALERT VEHICLE OCCUPANTS OF EXTERNAL EVENTS AND MASK IN-CAR CONVERSATIONS - An audio processing system may selectively identify certain environmental sounds and playing back these sounds, or a representation of these sounds, in the vehicle's cabin. The audio processing system may filter the environmental sounds to identify a particular sound that matches an event such as a bouncing ball, squealing tires, footsteps, and the like. The audio processing system may then provide an audio alert to an occupant in the vehicle. For example, the system may process the identified sound (e.g., amplify and/or isolate the sound) and use a speaker to output the processed sound into the interior of the vehicle. In another embodiment, the audio processing system may use environmental sounds as an audio masking sound for creating privacy zones within the vehicle. The audio processing system may filter the environmental sounds to identify a continuous sound which is then output to generate the privacy zones. | 05-21-2015 |
20150127215 | ADAPTING VEHICLE SYSTEMS BASED ON WEARABLE DEVICES - Embodiments are described for an in-vehicle computing system, and methods of controlling vehicle settings using the in-vehicle computing system based on input received from a wearable device. Input may also be received from a mobile device. The in-vehicle computing system may automatically adjust one or more vehicle settings based on the received input. | 05-07-2015 |
20150125025 | DUAL COIL MOVING MAGNET TRANSDUCER - Embodiments are disclosed for driving an electromagnetic transducer via a drive unit comprising stationary coils and a moving magnet. In some embodiments, an electromagnetic transducer comprises a diaphragm configured to generate acoustic vibrations, a moving magnet affixed to the diaphragm, and a pair of fixed coils surrounding the moving magnet, the fixed coils configured to direct electrical current in opposite directions. | 05-07-2015 |
20150120191 | NAVIGATION SYSTEM AND METHOD THEREOF - A navigation system is disclosed. The navigation system includes an image capturing device, a positioning device, and a processing device. The image capturing device is configured to capture an image of an object fed by a user. The positioning device is configured to obtain positioning information of the navigation system. The processing device is configured to: calculate a feature code based on features of a logo in the image; retrieve a piece of address information of a location corresponding to the feature code from a database; and calculate a route from the current location to the location corresponding to the piece of address using the positioning information and the piece of address information. A navigation method is also provided. | 04-30-2015 |
20150116342 | START-UP PROCESSING TASK DISTRIBUTION AMONG PROCESSING UNITS - Embodiments are disclosed for distributing processing tasks during a start up routine for a computing device between a central processing unit (CPU) and a graphics processing unit (GPU). In some embodiments, a method of loading an operating system for a computing device with a CPU includes receiving power from a power supply and locating a master boot record in a non-volatile storage device. The method further includes copying a first portion of a compressed operating system image from an address indicated by the master boot record to a location in a volatile storage device and instructing a GPU to decompress the first portion of the compressed operating system image in the volatile storage device. | 04-30-2015 |
20150104057 | NEW SPEAKER - A speaker including one or multiple transducers, an enclosure, and a suspension mounted on the enclosure, wherein the suspension and the enclosure are configured such that the enclosure is capable of vibrating as a result of operation of the transducer so as to produce audible sound. | 04-16-2015 |
20150078243 | COLLISION AVOIDANCE SYSTEM FOR MOBILE SLOTTED ALOHA PROTOCOL - A system for reducing collisions in communications utilizing a media access control (MAC) data communication protocol and/or a time division multiple access-based (TDMA-based) data communication protocol, such as an Aloha protocol or an MS-Aloha protocol, that may include one or more electronic devices (such as electronic devices of a vehicular ad-hoc network (VANET)). | 03-19-2015 |
20150061856 | PROVIDING ALERTS FOR OBJECTS LEFT IN A VEHICLE - Embodiments are disclosed for a method of alerting a user to the presence of a mobile device in a vehicle. In some example embodiments, a method includes identifying, via an in-vehicle computing system of a vehicle, presence of a mobile device. The method further includes providing an alert responsive to the user exiting the vehicle when the mobile device is still located in the vehicle. | 03-05-2015 |
20150014089 | LOUDSPEAKER HORN - A horn for use with a loudspeaker may include an entrance disposed at a first axial end of the horn and configured to receive a driver. A mouth may be disposed at a second axial end of the horn opposite the entrance. A contoured surface may extend between the entrance and the mouth. A cross sectional shape of a coverage pattern of audible sound emitted by the loudspeaker coupled with the horn may be independent of a shape of the entrance and a shape of the mouth. | 01-15-2015 |
20140298195 | PRESENCE-AWARE INFORMATION SYSTEM - A presence-aware information system (PAIS) can identify a user interacting with an end-user device, such as a computer, and can identify a device that is connected to the PAIS nearby the user. Additionally, the PAIS can identify the user and other people nearby the user. Using this information, the PAIS can act, such as provide content, accordingly. | 10-02-2014 |
20140280527 | AUTOMATED PERSONAL ASSISTANT SYSTEM - An automated personal assistant system (APAS) that can provide automated personal assistance to a user of an electronic device, such as a smartphone or a vehicle head unit. In one example of the APAS, a user may receive a route to a requested destination that may include at least one point of interest along the route to the requested destination based on responses to questions presented to the user. The point of interest may be an individual point of interest or a joint point of interest, for example. | 09-18-2014 |
20140278059 | INTEGRATED NAVIGATION AND COLLISION AVOIDANCE SYSTEMS - An integrated navigation and collision avoidance system for a source object may include a navigation module and a collision avoidance module. The collision avoidance module may identify an external object that could possibly collide with the source object. The collision avoidance module may determine a likelihood of collision with the external object based on navigation information received from the navigation module. The navigation module may receive information pertaining to the likelihood of collision determination from the collision avoidance module and determine whether to include collision avoidance information and/or modify navigation instructions to generate a navigation output. | 09-18-2014 |
20140270357 | USER LOCATION SYSTEM - A user location system (ULS) can use images, such as video or still images, captured from at least one camera of an electronic device, such as a mobile device, to determine, via at least edge detection and image uniformity analysis, location of a user in an environment, such as in a cabin of a vehicle. The determined location of the user can then be used as an input to control at least one aspect of the environment. In the case of a vehicle, such input may be used to facilitate control of speed, safety features, climate, and/or audio playback, for example. | 09-18-2014 |
20140270209 | SYSTEM AND METHOD FOR PRODUCING A NARROW BAND SIGNAL WITH CONTROLLABLE NARROWBAND STATISTICS FOR A USE IN TESTING A LOUDSPEAKER - An apparatus may include a signal generation module for generating a signal to test a loudspeaker. The signal generating module may be configured to receive a plurality of inputs identifying parameters relating to a test signal for the loudspeaker, generate a plurality of narrowband signals based on the plurality of inputs, sum the narrowband signals together to produce a broadband test signal, and transmit the broadband test signal to the loudspeaker to generate sound based on the broadband test signal. | 09-18-2014 |
20140222987 | NETWORK ADDRESS MANAGEMENT AND FUNCTIONAL OBJECT DISCOVERY SYSTEM - A network communication system includes a network address management and functional object discovery system. The network address management and functional object discovery system includes a network manager that manages network addresses for functional objects of electronic devices that communicate with each other over a network. The network manager may maintain a database that maps or associates unique IDs of the functional objects with associated network addresses. The network manager may provide non-conflicting instance IDs and network addresses to the electronic devices. The network manager may also provide instance IDs and/or network addresses for other electronic devices so that the electronic devices may communicate with each other over the network. | 08-07-2014 |
20140181710 | PROXIMITY LOCATION SYSTEM - A proximity location system (PLS) can allow for a user to interact with a user interface without touching or speaking into the interface. The system may include or be in communication with the user interface, which may be a touchscreen, for example. The system may also include or be in communication with one or more sensors that can sense an object's size, shape, speed, and/or location with respect to the user interface. From these sensed object characteristics, the system can determine the sensed object's type, feature, and/or state; and from that determination, the system can direct the interface and/or a device in communication with the interface to take an action. | 06-26-2014 |
20140177866 | SYSTEM FOR SIMULATED MULTI-GEAR VEHICLE SOUND GENERATION - A vehicle sound generator system is configured to generate a signal configured to drive one or more speakers produce sound waves simulating sounds associated with a desired engine type. The signal is based on one or more operating conditions of a vehicle. The vehicle sound generator system is configured to select sounds from a plurality of sounds based on the operating conditions of the vehicle. Each sound corresponds to a simulated sound of an engine operating in a respective gear. The vehicle sound generator system may generate the signal to drive the speakers to produce selected sounds to simulate shifting between the respective gears. | 06-26-2014 |
20140161265 | SELF-CALIBRATION LOUDSPEAKER SYSTEM - Systems and methods for calibrating a loudspeaker with a connection to a microphone located at a listening area in a room. The loudspeaker includes self-calibration functions to adjust speaker characteristics according to effects generated by operating the loudspeaker in the room. In one example, the microphone picks up a test signal generated by the loudspeaker and the loudspeaker uses the test signal to determine the loudspeaker frequency response. The frequency response is analyzed below a selected low frequency value for a room mode. The loudspeaker generates parameters for a digital filter to compensate for the room modes. In another example, the loudspeaker may be networked with other speakers to perform calibration functions on all of the loudspeakers in the network. | 06-12-2014 |
20140149126 | SYSTEM FOR PERCEIVED ENHANCEMENT AND RESTORATION OF COMPRESSED AUDIO SIGNALS - A system for processing compressed audio includes a signal enhancer module configured to generate one or more signal treatments. The one or more signal treatments may be generated by the signal enhancer module based on analysis of the incoming audio signal. Alternatively, or in addition, characteristics of the incoming audio signal may be provided to the signal enhancer module for use in generating the one or more signal treatments. The one or more signal treatments may be added to the audio signals. | 05-29-2014 |
20140140537 | AUDIO LOUDNESS CONTROL SYSTEM - An audio loudness control system includes a loudness adjuster module configured to adjust a level of an audio signal based on parameters associated with the audio signal. The parameters may include identification of a source of the audio signal. The parameters associated with the audio signal may be provided to the loudness adjuster in a message associated with the audio signal. The audio loudness control system may also include a database in communication with the loudness adjuster module. The loudness adjuster module may be configured to extract loudness related settings or parameters from the database that are associated with a source of the audio signal. | 05-22-2014 |
20140133672 | AUTOMATIC AUDIO ENHANCEMENT SYSTEM - Described herein is an automatic audio enhancement system (AAES) that may locate, via aspects of an electronic device, objects and/or people within a target environment, such as inside a vehicle. The AAES also may change one or more audio output signals based at least on information associated with the location of the objects and/or people. In one example of the AAES, the locating of the objects and/or people may occur in association with operation of a mobile device. | 05-15-2014 |
20140082515 | GRAPHICAL USER INTERFACE SIZING AND ARRANGEMENT SYSTEM - A system for adjusting a graphical element, such as a widget, a menu, and/or an icon of a graphical user interface (GUI) associated with one or more user actions, applications, and/or electronic media. The adjusting of the graphical element may be based at least partially on data regarding frequency, duration, and/or time of the one or more actions and/or use of the applications or the electronic media by a user. Additionally or alternatively, the adjusting of the graphical element may be based on a routine of the user. | 03-20-2014 |
20140071280 | VEHICLE SAFETY SYSTEM USING AUDIO/VISUAL CUES - A system may include one or more data modules operable to receive, process, and transmit data associated with one or more audio and/or visual cues from surroundings of a user. The system may also include one or more cameras and one or more microphones communicatively coupled to the one or more data modules, where the one or more cameras and the one or more microphones are operable to: record, respectively, the one or more audio and/or visual cues; and transmit, respectively, the data associated with the one or more audio and/or visual cues to the one or more data modules. Also, the system may include one or more speakers driven by audio signals received from the one or more data modules. | 03-13-2014 |
20140056438 | SYSTEM FOR VEHICLE SOUND SYNTHESIS - A vehicle sound synthesis system may be configured to generate a vehicle sound signal tuned to an ambient condition in an area external to a vehicle. The system may detect the ambient condition, such as a weather condition, a time condition, a traffic condition, a location condition, or an ambient sound condition. The system may synthesize the vehicle sound signal, and set an acoustical parameter of the vehicle sound signal based on the ambient condition. The acoustical parameter may include a frequency, an amplitude, a phase, modulation, or a time delay. The vehicle sound signal may be indicative of operation of the vehicle. The system may drive a sound generation device to produce sound waves corresponding to the synthesized vehicle sound signal and audible in a variety of ambient conditions to alert pedestrians and/or occupants of other vehicles to the presence of the vehicle generating the sound. | 02-27-2014 |
20140022938 | QUALITY OF SERVICE FOR STREAMS OVER MULTIPLE AUDIO VIDEO BRIDGING NETWORKS - A network communication system includes a network node that is configured to create and terminate sessions between talkers and listeners connected to different Layer 2 networks. The talkers and listeners may be configured to reserve network paths and communicate data streams in accordance with a Layer 2 reservation protocol, such as Stream Reservation Protocol. The talkers and listeners in the different Layer 2 networks may reserve network paths and communicate data streams through a network node configured to manage sessions using a Layer 3 session protocol, such as Session Initiation Protocol. The network node may reserve the network paths and enforce quality of service in accordance with the Layer 2 reservation protocol so that the talkers and listeners in the different Layer 2 networks may communicate data streams to each other. | 01-23-2014 |
20140019703 | MEMORY ACCESS SYSTEM - A memory access system may be used to relay data between an electronic device and external memory. The memory access system may include write buffers which may receive and write information from the electronic device to the external memory. The memory access system may also include read buffers which may gather data from the external memory and send it to a main processing component of the electronic device for processing. The memory access system may be configured so that the main processing component of the electronic device may gather data from the write buffers of the memory access system when a condition is satisfied. | 01-16-2014 |
20130339537 | SYSTEM FOR DYNAMIC STREAM MANAGEMENT IN AUDIO VIDEO BRIDGED NETWORKS - A network communication system includes one or more talkers that may communicate data streams to one or more listeners over a network, such as an Ethernet Audio/Video Bridging network. Before transmitting a new data stream, a talker may request a reservation for bandwidth through a controller that is configured to manage and/or control the flow of data streams over the network. If there is not enough bandwidth, then the controller may determine whether any existing data streams may be transmitted at lower bandwidths to make available enough bandwidth for the new data stream. Alternatively, the controller may determine whether any existing data streams having lower priorities than the new data stream may be terminated to make available enough bandwidth for the new data stream. | 12-19-2013 |
20130339483 | System for managing audio/video streams using application layer structures in an avb network - A system that includes a talker, a listener, and a controller may communicate over an Ethernet Audio/Video Bridging network. The controller may communicate control messages to manage data streams between the talker and the listener through one or more application layer interfaces of the talker and the listener. Based on the control messages, the talker and the listener may communicate using a Stream Reservation Protocol to reserve connection for, or remove connection from, the data streams. The talker and listener may communicate the success of reserving or removing the connections to the controller through the application layer interfaces. | 12-19-2013 |
20130336505 | PASSIVE GROUP DELAY BEAM FORMING - A loudspeaker array and methods for generating sound in an arc pattern. The loudspeaker array includes a plurality of loudspeakers. A delay network is included, the delay network having a plurality of stages. Each stage has a stage input and a stage output. The stage output of each stage is coupled to the stage input of a next stage. Each stage output is also connected to at least one of the plurality of loudspeakers. The stage input of the first stage is coupled to an audio signal input. Each stage is configured to add an electrical delay of the audio signal at each subsequent stage. The electrical delay is adjusted such that the plurality of loudspeakers generates sound in a desired radiation pattern. | 12-19-2013 |
20130294609 | AUDIO CHANNEL FAULT DETECTION SYSTEM - An audio system includes a diagnostic capability to check for faults to a power source and faults to ground for output audio channels configured to drive loudspeakers. The fault to ground analysis involves analysis of a number of digital samples to determine if a predetermined threshold is exceeded during a predetermined period of time. The analysis may involve both a digital signal processor and a microprocessor performing a zero crossing analysis using the predetermined threshold and the predetermined window of time. | 11-07-2013 |
20130279878 | MULTIMEDIA SYSTEM AND METHOD OF PERFORMING A PLAYBACK BY MEANS OF A MULTIMEDIA SYSTEM - Various embodiments relate to a multimedia system comprising a plurality of multimedia sources and a playback unit being configured to perform a requested playback. The multimedia system comprising a control unit configured to automatically extract at least portions of the playback as tracks. The tracks being characteristic audio and/or video parts of the playback. The multimedia system further comprises a communication interface being configured to connect to the Internet and to automatically send first data comprising the tracks to a remote server and further being configured to automatically receive second data in response to the sent first data from the remote server. The second data comprises identification information of the playback. The identification information being determined based on the tracks and uniquely identifying the playback. | 10-24-2013 |
20130272528 | SYSTEM FOR CONVERTING A SIGNAL - A device for processing a signal includes a processing module used to process data in a domain. The device includes domain conversion hardware and memory, both separate from the processing module. The memory receives and sends data represented in a first domain to the domain conversion hardware. The domain conversion hardware converts the first domain data into the second domain data that may be used or processed by the processing module. The second domain data is then accessed and used by the processing module for processing. | 10-17-2013 |
20130246850 | SYSTEM FOR REMOTE INSTALLED SOUND COMPLIANCE TESTING - A network communication system includes a central control system that may transmit a request packet over a network to an apparatus that is configured to operate in an alarm system. The alarm system may be configured in accordance with a standard or protocol. The request packet may include instructions that instruct the apparatus to perform one or more tests that determine whether the apparatus is compliant with the standard or protocol. The apparatus may be configured to receive the packet from over the network and perform the tests in accordance with the instructions. The apparatus may report test results of the tests to the central control system by sending a reply packet that includes the test results over the network to the central control system. | 09-19-2013 |
20130243239 | PLANAR SPEAKER SYSTEM - A planar speaker system may include a bottom frame having a cavity. Within this cavity a plurality of magnets may be arranged to form a substantially circular pattern. A diaphragm that includes a plurality of electrically conductive traces may be connected to the bottom frame and extend across the cavity of the bottom frame. When alternating current flows through the electrically conductive traces, the diaphragm may vibrate in response to the interaction between the current flowing in the electrically conductive traces and the magnetic field, thereby producing sound. The planar speaker system may include a top frame having a cavity, and a second set of magnets may be disposed in the cavity of the top frame. | 09-19-2013 |
20130243238 | PLANAR SPEAKER SYSTEM - A planar speaker system may include a bottom frame having a cavity. Within this cavity a plurality of magnets may be arranged to form a substantially circular pattern. A diaphragm that includes a plurality of electrically conductive traces may be connected to the bottom frame and extend across the cavity of the bottom frame. When alternating current flows through the electrically conductive traces, the diaphragm may vibrate in response to the interaction between the current flowing in the electrically conductive traces and the magnetic field, thereby producing sound. The planar speaker system may include a top frame having a cavity, and a second set of magnets may be disposed in the cavity of the top frame. | 09-19-2013 |
20130243200 | Parametric Binaural Headphone Rendering - A sound enhancement system (SES) that can enhance reproduction of sound emitted by headphones and other sound systems. The SES improves sound reproduction by simulating a desired sound system without including unwanted artifacts typically associated with simulations of sound systems. The SES facilitates such improvements by transforming sound system outputs through a set of one or more sum and cross filters, where such filters have been derived from a database of known direct and indirect head-related transfer functions (HRTFs). | 09-19-2013 |
20130236023 | SYSTEM FOR HEADPHONE EQUALIZATION - A system for headphone equalization includes a stored set of predetermined tone burst reference signals and a stored set of predetermined tone burst test signals that form a range of frequencies used in a user specific audio test to develop a headphone correction filter. A predetermined tone burst reference signal and a predetermined tone burst test signal may intermittently and sequentially drive a transducer included in the headphone. A loudness of the predetermined tone burst reference signal may be fixed and a loudness of the predetermined tone burst test signal may be variable with a gain setting. The gain setting may be used to generate the headphone correction filter. | 09-12-2013 |
20130228393 | PHASE PLUG AND ACOUSTIC LENS FOR DIRECT RADIATING LOUDSPEAKER - A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and asymmetrical features to provide an improved frequency response and directivity. The improved loudspeaker may provide improved an improved listing location, for example, in a vehicle. | 09-05-2013 |
20130208895 | AUDIO SURROUND PROCESSING SYSTEM - An audio surround processing system receives an audio source signal having at least two audio channels and generates a number of additional surround sound signals in which an amount of artificially generated ambient energy is controlled in real-time at least in part by an estimate of ambient energy that is contained in the audio source signal. The system may divide the audio source signal into two sets of components; a first set of components and a second set of components. The first set of components may be in a range of frequency that is less than a range of frequency of the second set of components. An ambience estimate control coefficient may be generated using the transformed first set of components. An overall gain may be determined using the ambience estimate control coefficient. The overall gain may be used in generation of the additional surround sound signals. | 08-15-2013 |
20130185451 | SYSTEM FOR MANAGING LOSSLESS FAILOVER IN AN AVB NETWORK - A network communication system includes a listener that receives a plurality of data streams from a talker. The data in the data streams may be identical. The listener identifies one of the data streams as a primary data stream and another of the plurality of data streams as a non-primary data stream. The listener may process data in the primary data stream, and may buffer a minimal amount of data in the non-primary data stream. In the event of a failure or disruption in reception of the primary data stream, the listener may switch over to processing the data in the non-primary data stream. The switch over to processing the non-primary data may be performed in a manner that ensures lossless failover. | 07-18-2013 |
20130179535 | CLOUD HOSTED AUDIO RENDERING BASED UPON DEVICE AND ENVIRONMENT PROFILES - Systems and method for requesting audio content that is stored in a cloud network and accessed by many different audio devices where each of the audio devices may have an optimal type of audio encoding, format, and characteristic in addition to being located in different types of listening environment that are considered by a cloud audio server when preparing audio content for transmission to a requesting audio device. | 07-11-2013 |
20130178965 | LOCATION AWARE AUDIO RENDERING - Systems and method for requesting audio content that is stored in a network cloud by many different audio devices where each of the audio devices sends location data and access profile information that enables audio content to be downloaded that is associated with the area identified by the location data. | 07-11-2013 |
20130166674 | SYSTEM FOR COMMUNICATING CONTROL MESSAGES IN AN AVB NETWORK - A system that includes a transmitting apparatus and a receiving apparatus may communicate over an Ethernet Audio/Video Bridging network. The transmitting apparatus and the receiving apparatus may each include an application layer module in communication with an application interface module. The application layer module of the transmitting apparatus may interface with the application interface module to send a control message over the network to control flow of a data stream over the network. The application layer module of the receiving apparatus may interface with the application to interface module to receive the control message. | 06-27-2013 |
20130156343 | SYSTEM FOR COMMUNICATING RELATIONSHIP DATA ASSOCIATED WITH IMAGE CHARACTERISTICS - A low-level processing system is configured to send information relating to image characteristics to a high-level analytic processing system. The low-level processing system is configured to determine image characteristic values corresponding to one or more image characteristics associated with the image data. The low-level processing system is further configured to determine relationships between the image characteristic values and predetermined targets associated with the image characteristics. The predetermined targets may indicate values of the image characteristics that are desired to analytically process the image data. The relationships may indicate whether the image characteristic values match the predetermined targets. The relationships may also indicate locations outside of the predetermined targets where image characteristics do not match the predetermined targets. | 06-20-2013 |
20130151968 | MEDIA SYSTEM HAVING PREEMPTIVE DIGITAL AUDIO AND/OR VIDEO EXTRACTION FUNCTION - A media system includes a primary storage device capable of storing a first plurality of audio files, and a secondary storage device capable of reading a second plurality of audio files from a removable storage medium. A media player plays the first plurality of audio files. A recorder records a third plurality of audio files from the removable storage medium to the primary storage device. The recorder preemptively records a predetermined portion of at least two audio files of the third plurality of audio files from the removable storage medium to the primary storage device before recording all portions of the at least two audio files. In response to a selection event and when all portions of the first audio file have not been recorded, the media player directs the recorder to record the first audio file and suspend a recording of other audio files. | 06-13-2013 |
20130138800 | SYSTEM FOR OPTIMIZING LATENCY IN AN AVB NETWORK - A network communication system includes a talker that may communicate a data stream having an optimal presentation time to a plurality of listeners over a network, such as an Ethernet Audio/Video Bridging network. The optimal presentation time may be determined by a maximum latency among a plurality of latencies for connections between the talker and the listeners. A controller may communicate with the listeners to determine the maximum latency. The controller may also provide the maximum latency to the talker and the listeners. The talker may determine the optimal presentation time based on the maximum latency. The listeners may allocate an optimum amount of resources to buffer the data stream before the data in the data stream is presented. | 05-30-2013 |
20130083932 | Methods and systems for measuring and reporting an energy level of a sound component within a sound mix - Various embodiments relate to determining an energy level of one or more sound components from a sound mix. Based on at least one sound mix signal received from a mixing device and at least one component signal received from one or more sound components, at least one signal value of the sound mix signal and at least one signal value of the component signal may be computed. The component signal corresponds to each of the one or more sound components. An energy level of the one or more sound components may be determined based on the sound mix signal value and the component signal value which corresponds to each of the one or more sound components. The energy level of the one or more sound components may be output in order to determine the energy level of each component in the sound mix. | 04-04-2013 |
20130077805 | TIME ALIGNMENT OF RECORDED AUDIO SIGNALS - Systems and methods for time-aligning a first and second media signals. The first and second media signals may be audio signals recorded for combining as one audio performance or as an audio portion of an audio-video recording. The system retrieves the audio signals as digital samples generated using a common sampling rate. The system includes at least one coarse alignment function for reducing an initial misalignment between the first and second signal. The coarse alignment function may be configured to generate a coarse-shifted second signal. A fine alignment function determines an aligning time shift between the coarse-shifted second signal and the first signal by performing a cross-correlation between the first signal and the coarse-shifted second signal. | 03-28-2013 |
20130070962 | EGOMOTION ESTIMATION SYSTEM AND METHOD - A computer-implemented method for determining an egomotion parameter using an egomotion estimation system is provided. First and second image frames are obtained. A first portion of the first image frame and a second portion of the second image frame are selected to respectively obtain a first sub-image and a second sub-image. A transformation is performed on each of the first sub-image and the second sub-image to respectively obtain a first perspective image and a second perspective image. The second perspective image is iteratively adjusted to obtain multiple adjusted perspective images. Multiple difference values are determined that respectively correspond to the respective difference between the first perspective image and the adjusted perspective images. A translation vector for an ego motion parameter is determined. The translation vector corresponds to one of the multiple difference values. | 03-21-2013 |
20130070095 | FAST OBSTACLE DETECTION - Systems and methods for detecting obstacles using a single camera positioned on an apparatus in motion over an area of motion, or stationary over a moving area of motion. In an example method, a video stream of images is captured of the area of motion. The images in the video stream may be corrected for lens distortion prior to further processing. An Nth image frame is selected from a sequence of N images in the video stream. A set of N−1 difference images is calculated by subtracting each of the N−1 previous images from the Nth image. The N−1 difference images are added to one another to generate a combined difference image. A perspective transformation is performed on the combined difference image to generate a transformed image. The transformed image is analyzed to detect edges of obstacles in the transformed image. A signal indicating detection of an obstacle in the area of motion may then be generated. | 03-21-2013 |
20130065213 | SYSTEM AND METHOD FOR ADAPTING AUDIO CONTENT FOR KARAOKE PRESENTATIONS - A system adapted to process non-karaoke-mode audio content for karaoke presentations is provided. An audio filter module filters a vocal portion from the non-karaoke-mode audio content to obtain filtered audio content. An audio rendering module renders the filtered audio content to generate an audio signal for output of the filtered audio content at an audio output device. A lyric acquiring module acquires lyric information associated with the non-karaoke-mode audio content. A lyric rendering module renders the lyric information to generate a display signal for display of the lyric information such that the lyric information is adapted to be displayed synchronously with the output of the filtered audio content. | 03-14-2013 |
20130060826 | SYSTEM FOR BROADCAST INFORMATION DATABASE - A database system includes a processor configured to receive broadcasts according to a plurality of broadcast formats. The processor determines broadcast information associated with each received broadcast. The processor stores a database entry for each received broadcast within a database stored in the memory. Each database entry is indicative of the broadcast information associated the received broadcast. The processor continuously populates the database with broadcast information associated with received broadcasts. The database is user-accessible, allowing database entries to be viewed and altered. Ratings for various broadcast information are user-provided allowing preferred broadcast content to be user-designated based on the broadcast information. The ratings are used to notify a user of preferred broadcast content being broadcast according to at least one of the broadcast formats allowing the user to select receipt of the preferred broadcast content while available. | 03-07-2013 |
20130031505 | SYSTEM FOR A TEXT SPELLER - An apparatus may generate a text entry with a user interface. The apparatus may include a display, a user input device, a memory and a processor. The apparatus may display single character user input controls and multi-character user input controls on the display. Each of the single character user input controls and the multi-character user input controls may be buttons selectable with the user input device. A single character user input control may correspond to a single character and a multi-character user input control may correspond to a group of characters. The apparatus may display one of the multi-character user input controls in a display region and other user input controls outside of the display region. If the multi-character user input control is selected, the apparatus may replace the multi-character user input control with a second set of single character user input controls in an expanded display region. | 01-31-2013 |
20130027196 | OBSTACLE DETECTION SYSTEM - A computer-implemented method of detecting objects in a path of a vehicle is provided. An image frame that depicts the path of the vehicle is obtained. An edge-image corresponding to the image frame is generated. A binary image corresponding to the edge-image is also generated. One or more blobs in the binary image that respectively correspond to one or more objects in the image frame are identified. Based on an analysis of the blobs in the binary image, a determination is made that one of the objects in the image frame is an obstacle in the path of the vehicle. | 01-31-2013 |
20130022229 | LOUDSPEAKER MOUNTING ASSEMBLY - A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis. | 01-24-2013 |
20130019252 | NAVIGATION APPLICATION INTERFACEAANM Haase; RobertAACI White LakeAAST MIAACO USAAGP Haase; Robert White Lake MI USAANM Oder; RainerAACI VS-SchwenningenAACO DEAAGP Oder; Rainer VS-Schwenningen DEAANM Montealegre; StevenAACI Farmington HillsAAST MIAACO USAAGP Montealegre; Steven Farmington Hills MI USAANM Boufelliga; RhitaAACI Farmington HillsAAST MIAACO USAAGP Boufelliga; Rhita Farmington Hills MI US - A navigation system is provided with an application programming interface to enable efficient integration of a navigation solution into a navigation platform. The system includes a client-server architecture and the API is implemented with a standardized set of request and response functions defined in the client and server, respectively. The API includes a rapid prototyping interface component for enabling development of a navigation solution independent of a particular navigation platform. An information discovery and exchange interface component enables the navigation platform (client) to discover and retrieve the information available from the navigation solution (server) navigation solution. | 01-17-2013 |
20130018574 | SYSTEM AND METHOD FOR DETERMINING AN OPTIMAL ROUTE USING AGGREGATED ROUTE INFORMATIONAANM Adler; AndrewAACI Canoga ParkAAST CAAACO USAAGP Adler; Andrew Canoga Park CA US - A system for providing navigation information is provided. A navigation server receives route information from multiple mobile devices. A storage module stores the route information received from the mobile devices as aggregated route information. In response to receipt of a request for direction information from a starting location to a destination location, a route calculation module calculates one or more potential routes from the starting location to the destination location. An optimal route determination module determines which route of the one or more potential routes is an optimal route. The optimal route is determined based on the aggregated route information and a preselected criterion. | 01-17-2013 |
20130007288 | SYSTEM FOR MANAGING AUDIO/VIDEO STREAMS USING APPLICATION LAYER STRUCTURES IN AN AVB NETWORK - A system that includes a talker, a listener, and a controller may communicate over an Ethernet Audio/Video Bridging network. The controller may communicate control messages to manage data streams between the talker and the listener through one or more application layer interfaces of the talker and the listener. Based on the control messages, the talker and the listener may communicate using a Stream Reservation Protocol to reserve connection for, or remove connection from, the data streams. The talker and listener may communicate the success of reserving or removing the connections to the controller through the application layer interfaces. | 01-03-2013 |
20130003863 | NETWORK MEDIA ADAPTER - A network media adapter includes peripheral interfaces for connection to connectors of audio/video (“A/V”) sources and sinks to respectively receive media data from the A/V sources and to transmit media data to the A/V sinks. Components are configured to syntonize or synchronize local media clocks of the A/V sources and sinks to ensure media data integrity affiliated with a protocol of a media network over which the media data is transported. A quality of service (QoS)-compliant media interface is integrated in the network media adapter through which to send and receive processed A/V media data to and from the media network according to the protocol. Other components may be configured to process, encapsulate, and transport over the media network the media data received from the A/V sources. Still other components may be configured to receive media data from the media network and decapsulate, process, and transmit the media data through one or more peripheral interfaces connected to the A/V sinks. | 01-03-2013 |
20130003757 | SYNTONIZED COMMUNICATION SYSTEM - A computing device may include a processor, an internal bus, and a network interface controller configured to communicate over a network. The processor and the network interface controller may communicate over the internal bus. The computing device may operate in a system that generates one or more media streams from time-stamped packets received over a network. The packets may include audio, video, or a combination of both, sampled at a rate determined by a master media clock. Timestamps in the packets may be presentation times based on values of a remote real-time clock at the transmitter that is synchronized with a local real-time clock at a receiver. The system may generate the media streams from the media stream samples and present the sampled data according to the presentation times. | 01-03-2013 |
20130000464 | Musical measurement stimuli - Systems and method for performing adaptive audio signal processing using music as a measurement stimulus signal. A musical stimuli generator may be used to generate musical stimulus signals composed to provide a stimulus with a spectrum that is substantially dense, and ideally white or pink, over a selected frequency range, so that all frequencies of interest are stimulated. The musical stimuli generator may generate melodically pleasing musical stimulus signals using music clips that include any of: a chromatic sequence, a chromatic sequence including chromatic tones over a plurality of octaves, a chromatic sequence including chromatic tones over a selected plurality of octaves, or an algorithmically composed chromatic sequence, to cover a selected frequency range. The musical stimulus signal may be generated as sound into the environment of use. An audio input picks up the sound from the environment, and a sound processor uses the received musical stimulus signal to determine a transfer function. | 01-03-2013 |
20120310465 | VEHICLE NAGIVATION SYSTEM - A navigation system may include a positioning device for generating a position data signal, a geographical data storage device for generating a digital map data signal, a processing device for generating navigation information based on the position data signal and the digital map data signal, and a turn control device for generating output signals to activate and/or deactivate turn signals of the vehicle and/or to enable an autonomous vehicle control system to perform a driving maneuver. The turn control device may analyze the navigation information to detect when the distance to an approaching turn fails to exceed a predetermined limit or when the turn has been completed or bypassed. The turn control device may analyze the navigation information and a velocity data signal generated by a velocity sensing device to detect when the time to the approaching turn fails to exceed a predetermined limit. | 12-06-2012 |
20120307880 | MIXED-PHASE REAL TIME AUTOMATIC ROOM EQUALIZATION SYSTEM - A system is provided for determining mixed-phased real time room equalization that employs crossover filters for splitting the incoming spectrum and also re-uses the cross-over filters in the equalization filter. | 12-06-2012 |
20120290738 | AUTOMATIC ROLLOVER TO STREAMED RADIO - In view of the above, a radio player is provided. In an example implementation, the radio player includes a radio signal receiver configured to receive a radio broadcast corresponding to a tuner setting on a tuner. The radio signal receiver is configured to retrieve an air radio program from the radio broadcast corresponding to a radio station identified by the tuner setting. A digital stream radio receiver is connected to a data network. The digital stream radio receiver is configured to establish a data connection with a radio station identified by a radio station network identifier to receive a streamed radio program. A source selector selects between either the air radio program or the streamed radio program to play at an audio output when the air radio program and the streamed radio program are broadcast from the same radio station. | 11-15-2012 |
20120283999 | LOUDSPEAKER ARRAY SYSTEM - The invention is a multi-channel loudspeaker system that provides a compact loudspeaker configuration and filter design methodology that operates in the digital signal processing domain. Further, the loudspeaker system can be designed to include drivers of various physical dimensions and can achieve prescribed constant directivity over a large area in both the vertical and horizontal planes. | 11-08-2012 |
20120279797 | PHASE PLUG AND ACOUSTIC LENS FOR DIRECT RADIATING LOUDSPEAKER - A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and asymmetrical features to provide an improved frequency response and directivity. The improved loudspeaker may provide improved an improved listing location, for example, in a vehicle. | 11-08-2012 |
20120275613 | SYSTEM FOR MODIFYING AN ACOUSTIC SPACE WITH AUDIO SOURCE CONTENT - An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry signal component and the reverberant signal components can be separately modified and then recombined to form a processed audio signal. Alternatively, the dry signal component may be combined with an artificial reverberation component to form the processed audio signal. Modification of the reverberation signal component and generation of the artificial reverberation component may be performed in order to modify the acoustic characteristics of an acoustic space in which the audio signal is driving loudspeakers. The audio signal may be a pre-recorded audio signal or a live audio signal generated inside or outside the acoustic space. | 11-01-2012 |
20120269378 | LOUDSPEAKER MAGNET ASSEMBLY - A loudspeaker magnet assembly for a loudspeaker transducer having a voice coil is provided that has a low profile construction. The loudspeaker magnet assembly may include: a first magnet assembly; top plate position below the first magnet assembly; second magnet assembly positioned below the top plate; and bottom plate positioned below the second magnet assembly. The first magnet assembly may include an annular outer magnet and a circular inner magnet. The top plate may include an annular outer top plate and a circular inner top plate and the second magnet assembly may include an annular outer magnet and a circular inner magnet. | 10-25-2012 |
20120269368 | LOUDSPEAKER ARRAY SYSTEM - The invention is a multi-channel loudspeaker system that provides a compact loudspeaker configuration and filter design methodology that operates in the digital signal processing domain. Further, the loudspeaker system can be designed as a multi-way loudspeaker system comprised of a symmetric arrangement of loudspeaker drivers in a two-dimensional plane and can achieve high-quality sound, constant directivity over a large area in both the vertical and horizontal planes and can be used in connection with stereo loudspeaker systems, multi-channel home entertainment systems and public address systems. | 10-25-2012 |
20120263341 | REINFORCED DIAPHRAGM FOR A LOW PROFILE LOUDSPEAKER TRANSDUCER - A diaphragm for use in a loudspeaker transducer is disclosed. The loudspeaker transducer may include a voice coil, a former, a first magnet assembly having a circular inner magnet, a top plate having a annular outer top plate and a circular inner top plate, a second magnet assembly having an annular outer magnet and a circular inner magnet, an air gap defined by the circular inner magnet of the first magnet assembly, annular outer top plate, circular inner top plate, annular outer magnet and circular inner magnet of the second magnet assembly, and a surround suspension member. | 10-18-2012 |
20120263340 | LOW PROFILE LOUDSPEAKER SUSPENSION SYSTEM - A surround suspension system for a low profile loudspeaker transducer having a former, diaphragm, and loudspeaker magnet assembly, wherein the former is connected to a voice coil and a upper end of the former that is opposite the voice coil is shown. The loudspeaker magnet assembly includes an annular outer magnet having a top surface and the surround suspension system may include a surround suspension member. The surround suspension member includes an outer edge that is attached to the top surface of the annular outer magnet, and inner edge that is attached to the upper end of the former. | 10-18-2012 |
20120263336 | LOUDSPEAKER MAGNET HAVING A CHANNEL - A transducer magnet for a low profile loudspeaker transducer is provided having a voice coil, surround suspension, diaphragm, and top plate. The transducer magnet may include a first magnet assembly, including an annular outer magnet having an outer perimeter, an outer diameter and an inner diameter. The inner diameter defines a vacant circular center within the annular outer magnet, and the difference in length between the diameter of the circular inner magnet and the inner diameter of annular outer magnet define an annular first magnet assembly air gap. The annular outer magnet includes one or more channels extending inwardly from the outer perimeter of the annular outer magnet to the first magnet assembly air gap, which is configured to receive the voice coil. The channels are configured to pass hookup wires from the voice coil to an external device from the transducer magnet. | 10-18-2012 |
20120263263 | MEDIA CLOCK NEGOTIATION - Media Clock Negotiation (MCN) Advertise packets may advertise one or more media clock streams. Each media clock stream may include values of a real-time clock sampled according to a first media clock. A second media clock may be recoverable from the media clock stream such that the second media clock is synchronized with the first media clock. One or more transmitters that receive the packets may determine whether the advertised media clock stream meets a set of media clock conditions. If the advertised media clock stream meets the set of media clock conditions, then the transmitter may add the advertised media clock stream to a set of qualified streams. Each transmitter may select a reference media clock stream from the set of qualified streams. By selecting the same reference media clock stream, media clocks at two or more transmitters may be synchronized. | 10-18-2012 |
20120237045 | AUDIO POWER MANAGEMENT SYSTEM - An audio power management system manages operation of audio devices in an audio system. The audio power management system includes a parameter computer, a threshold comparator and a limiter. Audio signals generated with the audio system may be provided to the audio power management system. Based on a measured actual parameter of the audio signal, such as a real-time actual voltage and/or a real-time actual current, the parameter computer can derive estimated operational characteristics of audio devices, such as a loudspeaker included in the audio system. The threshold comparator may use the estimated operational characteristics to develop a threshold and manage operation of one of more devices in the audio system by monitoring the measured actual parameter, and selectively directing the limiter to adjust the audio signal, or another device in the audio system to protect or optimize performance. | 09-20-2012 |
20120204213 | WIRELESS THEATER SYSTEM - An approach for providing lossless raw video data wirelessly to a soundbar from a headunit to eliminate the multitude of wires that traditionally connect to a television in a home theater. | 08-09-2012 |
20120183171 | SPEAKER SURROUND STRUCTURE FOR MAXIMIZING CONE DIAMETER - A surround that is generally arched in shape and that includes a radial exterior flange that extends downward from exterior side of the arched portion of the surround and that adhesively attaches to the inner wall or edge of the mounting ring of the frame of the loudspeaker. | 07-19-2012 |
20120182069 | AMPLIFIER SYSTEM FOR A POWER CONVERTER - An amplifier system for a power converter includes at least a first switching device and a second switching device formed in an integrated circuit in a substrate of a semiconductor. The first and second switching devices may be formed in a half bridge configuration and may be cooperatively switchable to generate an amplified output signal on an output node of the semiconductor. A resistor and a capacitor may be coupled in parallel between a power supply input node and a substrate node included in the semiconductor. The capacitor may be selectively charged to a de-biasing voltage during a switching cycle of the first and second switching devices to reverse bias a parasitic switching device appearing in the integrated circuit. | 07-19-2012 |
20120170764 | SYSTEM FOR ACTIVE NOISE CONTROL WITH AUDIO SIGNAL COMPENSATION - An active noise control system generates an anti-noise signal to drive a speaker to produce sound waves to destructively interfere with an undesired sound in a targeted space. The speaker is also driven to produce sound waves representative of a desired audio signal. Sound waves are detected in the target space and a representative signal is generated. The representative signal is combined with an audio compensation signal to remove a signal component representative of the sound waves based on the desired audio signal and generate an error signal. The active noise control adjusts the anti-noise signal based on the error signal. The active noise control system converts the sample rates of an input signal representative of the undesired sound, the desired audio signal, and the error signal. The active noise control system converts the sample rate of the anti-noise signal. | 07-05-2012 |
20120170763 | SYSTEM FOR ACTIVE NOISE CONTROL WITH AUDIO SIGNAL COMPENSATION - An active noise control system generates an anti-noise signal to drive a speaker to produce sound waves to destructively interfere with an undesired sound in a targeted space. The speaker is also driven to produce sound waves representative of a desired audio signal. Sound waves are detected in the target space and a representative signal is generated. The representative signal is combined with an audio compensation signal to remove a signal component representative of the sound waves based on the desired audio signal and generate an error signal. The active noise control adjusts the anti-noise signal based on the error signal. The active noise control system converts the sample rates of an input signal representative of the undesired sound, the desired audio signal, and the error signal. The active noise control system converts the sample rate of the anti-noise signal. | 07-05-2012 |
20120161549 | SYSTEM FOR ASSEMBLING A SPEAKER MOTOR - A retaining member of a speaker motor may be formed using a mold. The mold may receive a plurality of speaker motor components. The mold may be configured to receive the speaker motor components in a desired arrangement. The mold may receive an injected material. The injected material may fill unoccupied space in the mold. The injected material may be cooled to form a retaining member to retain the speaker components in the desired arrangement subsequent to removal of the speaker motor components from the mold. | 06-28-2012 |
20120159328 | HANDLEBAR AUDIO CONTROLS - A vehicle audio system having handlebar mounted controls that permit an operator to control the audio system utilizing finger controls mounted on the handlebars. | 06-21-2012 |
20120158845 | SYSTEM AND METHOD FOR AUTOMATICALLY POSTING USER-LOCATION INFORMATION TO A SOCIAL NETWORK - Methods and systems are disclosed that are capable of automatically interfacing with Internet-based social networks for safely providing friends of a mobile user with location updates. In particular, a system and method are provided for automatically posting user-location information to a social network. A system interface receives user data including a location update activation indicator and location update conditions. A navigation engine obtains information associated with the current location of the mobile user. A social network client module of the system is adapted to determine that the location activation indicator is active and to determine that a location update condition is met. A communications interface automatically posts a location update to the social network if the social network client determines that at least one location update condition is met. | 06-21-2012 |
20120155650 | SPEAKER ARRAY FOR VIRTUAL SURROUND RENDERING - A device and method for generation of virtual surround sound with a two-way approach is provided. The device and method employs a first order head-related model designed to resemble interaural time difference localization and inter-aural level difference localization cues in the respective frequency bands while avoiding phantom imaging and excessive coloration. | 06-21-2012 |
20120122279 | SYSTEM FOR CLAMPING HEAT SINK - A system for clamping a heat sink that prevents excessive clamping force is provided. The system may include a heat sink, a semiconductor device, a printed circuit) board, and a cover. The semiconductor device may be mounted onto the circuit board and attached to the cover. The heat sink may be designed to interface with the semiconductor device to transfer heat away from the semiconductor device and dissipate the heat into the environment. Accordingly, the heat sink may be clamped into a tight mechanical connection with the semiconductor device to minimize thermal resistance between the semiconductor device and the heat sink. To prevent excessive clamping force from damaging the semiconductor device, loading columns may extend between the cover and the heat sink. | 05-17-2012 |
20120121118 | SLOTTED WAVEGUIDE FOR LOUDSPEAKERS - A slotted waveguide for use with an electrodynamic transducer is described. The slotted waveguide has a transducer front surface for radiating acoustic energy from the electrodynamic transducer. The transducer front surface is concave and the electrodynamic transducer is operable to a desired high frequency. The slotted waveguide may include a body and a volume displacement element. The slotted opening has a width not substantially greater than a wavelength corresponding to the desired high frequency and the volume displacement element has a displacement surface that extends inward into the electrodynamic transducer and complements in shape the transducer front surface. | 05-17-2012 |
20120121105 | SYSTEM FOR NETWORKED ROUTING OF AUDIO IN A LIVE SOUND SYSTEM - A system to automate networked routing of audio in a live sound system includes a computing device having a processor and memory and in which the live sound system is configurable for a venue. The memory includes instructions executable by the processor to route audio signals over a network based on user selection of source audio signals from at least one transmitting audio device and on logical grouping of loudspeakers by the user from within a graphical user interface. The processor, for each receiving audio device channel of the group of loudspeakers (such as bandpass inputs), identifies power amplifiers and/or digital signal processors (DSPs) (which may be integrated within a powered loudspeaker) through which to route the selected source audio signals; and then routes the selected source audio signals from the selected transmitting audio device over the network to the receiving audio device channels through channels of the identified power amplifiers and/or DSPs. | 05-17-2012 |
20120119351 | SYSTEM FOR CLAMPING HEAT SINK - A system for clamping a heat sink that prevents excessive clamping force is provided. The system may include a heat sink, a semiconductor device, a printed circuit board, and a cover. The semiconductor device may be mounted onto the circuit board and attached to the cover. The heat sink may be designed to interface with the semiconductor device to transfer heat away from the semiconductor device and dissipate the heat into the environment. Accordingly, the heat sink may be clamped into a tight mechanical connection with the semiconductor device to minimize thermal resistance between the semiconductor device and the heat sink. To prevent excessive clamping force from damaging the semiconductor device, loading columns may extend between the cover and the heat sink. | 05-17-2012 |
20120106748 | SYSTEM FOR SIMULATED MULTI-GEAR VEHICLE SOUND GENERATION - A vehicle sound generator system is configured to generate a signal configured to drive one or more speakers produce sound waves simulating sounds associated with a desired engine type. The signal is based on one or more operating conditions of a vehicle. The vehicle sound generator system is configured to select sounds from a plurality of sounds based on the operating conditions of the vehicle. Each sound corresponds to a simulated sound of an engine operating in a respective gear. The vehicle sound generator system may generate the signal to drive the speakers to produce selected sounds to simulate shifting between the respective gears. | 05-03-2012 |
20120099750 | SPEAKER AND MIXER ASSEMBLY - A transportable audio system is described. The transportable audio system may include a speaker module and speaker mating module. The speaker module may include a backside mating edge and a backside interior inset from the backside mating edge. The backside mating edge may include a first attachment mechanism. The speaker mating module may include a frontside mating edge and a frontside face. The frontside mating edge may include a second attachment mechanism. The speaker mating module may be removably mountable to the speaker module via the first and second attachment mechanisms. | 04-26-2012 |
20120068739 | HIGHLY EFFICIENT CLASS-D AMPLIFIER - A simplistic low cost circuit that generates the necessary drive voltage for use in a source follower totem pole power switching circuit is described where the simplified gate drive circuit may have a dual charge pump and a complementary pair of low-power switching Mosfets. | 03-22-2012 |
20120063608 | SYSTEM FOR EXTRACTION OF REVERBERANT CONTENT OF AN AUDIO SIGNAL - A reverberant characteristic of an acoustic space is superimposed on an audio signal that is received by an apparatus. The apparatus decomposes the audio signal into an estimated original dry signal component and an estimated reverberant characteristic of the acoustic space. Estimation of the original dry signal component and the reverberant characteristic of the acoustic space is based on determination of an estimated impulse response of the acoustic space from the received audio signal. Once the audio signal is decomposed, the estimated original dry signal component and the estimated reverberant characteristic of the acoustic space may be independently modified by the apparatus. The modified or unmodified estimated original dry signal component and estimated reverberant characteristic of the acoustic space may be combined by the apparatus to produce one or more adjusted frequency spectra. | 03-15-2012 |
20120055650 | SYSTEM FOR CLAMPING HEAT SINK - A system for clamping a heat sink that prevents excessive clamping force is provided. The system may include a heat sink, a semiconductor device, a printed circuit board, and a cover. The semiconductor device may be mounted onto the circuit board and attached to the cover. The heat sink may be designed to interface with the semiconductor device to transfer heat away from the semiconductor device and dissipate the heat into the environment. Accordingly, the heat sink may be clamped into a tight mechanical connection with the semiconductor device to minimize thermal resistance between the semiconductor device and the heat sink. To prevent excessive clamping force from damaging the semiconductor device, loading columns may extend between the cover and the heat sink. | 03-08-2012 |
20120047435 | SYSTEM FOR CONFIGURATION AND MANAGEMENT OF LIVE SOUND SYSTEM - A computing system automates the configuration and management of a live sound system that includes a processor and memory for building in a GUI of a display a representation of the live sound system for a venue. The system loads a venue template that includes loudspeaker arrays and related properties including a setup configuration of the loudspeaker arrays and tuning data for constituent loudspeakers that are operable to provide an audio coverage pattern for the venue. The system overlays on top of the representation of the loudspeaker arrays a wiring circuit representation indicating interconnections of the loudspeakers that define bandpass inputs for each array. The system generates a plurality of amplifiers in the representation to drive the arrays, and associates amplifier channels of the amplifiers with the bandpass inputs. The amplifier channels include representations of output channels of DSPs coupled with respective amplifier channels. The system loads tuning data into respective representation of the DSP and/or amplifiers based on configurations of the associated loudspeakers to complete virtual configuration. The representations of the devices and connections may be matched with physical devices of the live sound system and the tuning data sent down to the physical DSPs and/or amplifiers for their configuration. | 02-23-2012 |
20120027238 | PHASING PLUG FOR A COMPRESSION DRIVER - A phasing plug for a compression driver includes a base portion and a hub portion. The base portion includes a first side, a second side, and a plurality of apertures extending between the first and second sides. The hub portion extends from the base portion along an axis. The hub portion includes an outer surface and a plurality of ribs disposed on the outer surface. A plurality of recesses are defined by the outer surface and respective pairs of adjacent ribs. At least one aperture fluidly communicates with at least one of the recesses. | 02-02-2012 |
20120008796 | DISTORTION COMPENSATION - A distortion compensation system minimizes distortion in an audio system by monitoring a supply voltage and adjusting a clipping threshold and/or compression knee. An adjustable gain circuit controls the gain of the audio signal according whether the audio signal exceeds a variable threshold. The variable threshold is adjusted within a threshold range based on the supply voltage. Distortion due to clipping of the audio signal is minimized while available power at any given time is maximized. | 01-12-2012 |
20110311065 | EXTRACTION OF CHANNELS FROM MULTICHANNEL SIGNALS UTILIZING STIMULUS - An approach and device for optimizing a sound system by extracting a two-channel stereo source out of a set of multiple channels with unknown frequency responses, crosstalk, time delays and sample rate by employing a digital test sequence that utilizes maximum-length-sequences (MLS) that is fed into the sound system and results in a reconstructed stereo source that may be further used as an input to a signal processor that performs improved speaker and room equalization. | 12-22-2011 |
20110304400 | HIGH EFFICIENCY BALANCED OUTPUT AMPLIFIER SYSTEM - A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be used in an audio system. The amplifier system may include a non-switchmode amplifier stage cooperatively operating with a switchmode amplifier stage to generate the amplifier output signal. The non-switchmode amplifier stage may selectively enable and disable the switchmode amplifier stage to optimize efficient operation. In addition, the switchmode amplifier stage may include multiple switching stages operated with interleave. The switching stages may be controlled to balance current output of the respective switching stages based on a measured current flow in at least one of the switching stages. | 12-15-2011 |
20110304397 | HIGH EFFICIENCY AUDIO AMPLIFIER SYSTEM - A high efficiency amplifier system may include multiple output stages cooperatively operating to produce an amplified output signal. The amplifier system may be used in an audio system. The amplifier system may include a non-switchmode amplifier stage cooperatively operating with a switchmode amplifier stage to generate the amplifier output signal. The non-switchmode amplifier stage may selectively enable and disable the switchmode amplifier stage to optimize efficient operation. In addition, the switchmode amplifier stage may include multiple switching stages operated with interleave. The switching stages may be controlled to balance current output of the respective switching stages based on a measured current flow in at least one of the switching stages. | 12-15-2011 |
20110231628 | SYSTEM FOR MEMORY INSTANTIATION AND MANAGEMENT - A system for memory instantiation in a programmable logic device (PLD) includes a computing device having a processor and memory coupled with the PLD. The processor is configured to receive memory parameters including at least a data width and a data depth. The processor is also configured to determine a number and sizes of block random access memory (BRAM) primitives required for data storage based on the memory parameters and based on one or more sizes of BRAM primitives available on the programmable logic device. In one example, the processor minimizes a size of the total number of BRAMs required for instantiation on the PLD. The processor is also configured to instantiate the determined number and corresponding sizes of the BRAM primitives in logic for configuration of the programmable logic device to include a device memory within the available BRAM primitives thereof corresponding to the determined number and sizes of the BRAM primitives. | 09-22-2011 |
20110231566 | MEMORY MANAGEMENT UNIT - A memory management unit (MMU) may buffer media stream samples of one or more media streams, such as audio and/or video streams, in a buffer. The MMU may determine how much time a media stream sample is to be buffered by comparing a value of a real-time clock with a timestamp associated with the media stream sample. The MMU may determine a target output block in the buffer for the media stream sample based on the period of a media clock and on the amount of buffer time that the media stream sample is to be buffered. The target output block is determined relative to an output block identified by a read address. The MMU may store the media stream sample in the target output block. The MMU may increase or decrease the read address at a rate determined by the media clock. | 09-22-2011 |
20110231565 | STREAM IDENTIFIER HASH TABLE - A system may route media stream samples in time-stamped packets to a media interface. The system may determine a hash value from a stream identifier that identifies a source media stream corresponding to the media stream samples. The hash value may be determined based on a combination of a first portion of the stream identifier and a second portion of the stream identifier. The system may determine whether the stream identifier identifies a subscribed media stream by looking up the hash value in a hash table. The system may route the media stream samples to a media interface if source media stream is a subscribed media stream. | 09-22-2011 |
20110231086 | VEHICLE NAVIGATION SYSTEM - A system and method is provided for identifying and generating a route that provides a driver with an exhilarating ride. In an example method, the navigation system obtains location data for routes between a starting and ending location. The location data is analyzed by identifying points of inflection of the curved road portion. At least one curved segment is identified as being road portions between the points of inflection. A linear distance, L | 09-22-2011 |
20110228945 | AUDIO POWER MANAGEMENT SYSTEM - An audio power management system manages operation of audio devices in an audio system. The audio power management system includes a parameter computer, a threshold comparator and a limiter. Audio signals generated with the audio system may be provided to the audio power management system. Based on a measured actual parameter of the audio signal, such as a real-time actual voltage and/or a real-time actual current, the parameter computer can derive estimated operational characteristics of audio devices, such as a loudspeaker included in the audio system. The threshold comparator may use the estimated operational characteristics to develop a threshold and manage operation of one of more devices in the audio system by monitoring the measured actual parameter, and selectively directing the limiter to adjust the audio signal, or another device in the audio system to protect or optimize performance. | 09-22-2011 |
20110228888 | MEDIA CLOCK RECOVERY - A system recovers a local media clock from a master media clock based on time-stamped packets received from a transmitter. The packets may include audio, video, or a combination of both, sampled at a rate determined by the master media clock at the transmitter. Timestamps in the packets may be based on values of a remote real-time counter at the transmitter that is synchronized with a local real-time counter at a receiver. The local media clock may be syntonized with the master media clock through the clock periods. The clocks may be synchronized by syntonizing the clocks and adjusting the phase of the local media clocks based on timestamps and a real-time counter. | 09-22-2011 |
20110228768 | MEDIA EXTRACTOR - A system generates one or more media streams from time-stamped packets received over a network. The packets may include audio, video, or a combination of both, sampled at a rate determined by a master media clock at a transmitter of the time-stamped packets or at some other node on the network. Timestamps in the packets may be presentation times based on values of a remote real-time clock at the transmitter that is synchronized with a local real-time clock at a receiver. The system may generate the media streams from the media stream samples and present the sampled data according to the presentation times. | 09-22-2011 |
20110168480 | PHASE PLUG AND ACOUSTIC LENS FOR DIRECT RADIATING LOUDSPEAKER - A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area may improve the performance of the audio system. Configuration of the acoustic lens or phase plug may include both symmetrical and asymmetrical features to provide an improved frequency response and directivity. The improved loudspeaker may provide improved an improved listing location, for example, in a vehicle. | 07-14-2011 |
20110153049 | ISOCHRONOUS AUDIO NETWORK SOFTWARE INTERFACE - A computer system includes a network interface that transmits and/or receives packets over a network. The packets may include isochronous audio packets and data packets. The computer system may have an operating system in which isochronous audio software is executable to extract audio data from the isochronous audio packets, or format audio data into isochronous audio packets. The system may also include other software executable within the operating system substantially in parallel with the isochronous audio software. The other software may extract data from the data packets. | 06-23-2011 |
20110116642 | Audio System with Portable Audio Enhancement Device - A portable audio enhancement device is configured for enhancing audio signals, and may be utilized in an audio system. The audio system may include a portable audio source, the audio enhancement device, an audio playback device, and a loudspeaker. The audio enhancement device receives audio signals from the audio source and produces enhanced audio signals. The audio playback device receives the enhanced audio signals and outputs the enhanced audio signals to the loudspeaker for playback. Enhancement of the audio signals may be based on an analysis performed by the audio enhancement device by measuring sample audio signals derived from the sound outputted from the loudspeaker. | 05-19-2011 |
20110103606 | MODULAR HEADPHONE SYSTEM - A modular headphone system includes an ear-mountable speaker, an audio signal-carrying line coupled to the ear-mountable speaker, and an electrical connector coupled to the audio signal-carrying line. The electrical connector is configured for electrically coupling to a plurality of different types of audio signal-carrying devices. The electrical connector may include a quick disconnect feature configured for securing the electrical connector to the audio signal-carrying device. A modular audio system includes a headphone system and an audio signal-carrying device coupled to the headphone system. The audio signal-carrying device may be disconnected from the headphone system, and another audio signal-carrying device of a different type may be coupled to the headphone system. | 05-05-2011 |
20110093104 | ARTIFICIAL AMBIANCE PROCESSING SYSTEM - An apparatus and method simulates more accurately the natural statistics of a physical reverberation process. A new filter design is provided having a comb shaped group delay. Gain minimums at a plurality of frequencies are combined with a delay line to create a constant reverberation time independent of frequency while allowing for temporal spreading. In addition, the connection topology between the plurality of energy transmission networks is temporally randomized to facilitate energy distribution within the reverberation apparatus. Both the temporal and spectral responses are actively changed on each iteration of the energy recirculation. By making the response have a high echo density and a lack of spectral coloration in the decay, the illusion of a natural process is enhanced. | 04-21-2011 |
20110089952 | PUSH-BUTTON TESTING SYSTEM - A system for testing a push-button switch is provided. The system for testing a push-button switch includes a switch test device. The switch test device has a flexible tab attached to a pushing member at an end of the flexible tab. A sensor is attached to the flexible tab. The sensor generates a signal that changes relative to a deformation of the flexible tab. A data collection system is connected to the switch test device and receives signals from the sensor. | 04-21-2011 |
20110088024 | SOFTWARE UPDATES VIA DIGITAL AUDIO MEDIA - Systems and methods for processing encoded digital data for programming a device to be re-programmed in an audio playback system. The system includes an audio media source containing digital data having audio data or encoded data in an audio data format. An audio media reader reads the digital data from the audio media source. A stream detector receives the digital data from the audio media reader and detects whether the received digital data includes encoded data formatted as audio data or audio data. An audio receiver device receives the audio data and processes the audio data for playback. A device to be re-programmed uses the encoded data formatted as audio data. | 04-14-2011 |
20110085692 | DUAL COMPRESSION DRIVERS AND PHASING PLUGS FOR COMPRESSION DRIVERS - A phasing plug includes a base portion including an input side, an output side, a plurality of entrances on the input side, a plurality of exits on the output side arranged about a central axis, and a plurality of channels fluidly interconnecting the entrances with the respective exits. Each corresponding entrance, channel and exit establish an acoustical path from the input side to the output side that is non-radial relative to the central axis. Two phasing plugs may be provided in a dual compression driver. | 04-14-2011 |
20110081032 | MULTICHANNEL AUDIO SYSTEM HAVING AUDIO CHANNEL COMPENSATION - A multichannel compensating audio system includes first and second compensation channels to psychoacoustically minimize deviations in a target response, to psychoacoustically move the physical position of a speaker and/or to psychoacoustically provide a substantially equal magnitude of sound from a plurality of speakers in a plurality of different listening positions. The first compensation channel may include a series connected delay circuit, a level adjuster circuit and a frequency equalizer circuit that generates a first compensated audio signal from a first audio signal. The second compensation channel may include a series connected delay circuit, a level adjuster circuit and a frequency equalizer circuit that generates a second compensated audio signal from a second audio signal. A first summing circuit is configured to receive at least the first audio signal and the second compensated audio signal and generate a first output signal for provision to a first speaker. A second summing circuit is configured to receive the second audio signal and the first compensated audio signal and generate a second output signal for provision to a second speaker. The first and second output signals may be output by the first and second speakers into a listening space and are acoustically perceived by a listener. | 04-07-2011 |
20110081024 | SYSTEM FOR SPATIAL EXTRACTION OF AUDIO SIGNALS - A sound processing system receives an audio input signal that includes at least two different input channels of audio content. The sound processing system dissects the audio input signal to separate sources of audible sound included in the audio input signal into sound source vectors. Separation of the sources of audible sound into sound source vectors may be based on a perceived location of each of the sources of audible sound within a listener perceived sound stage. The sound source vectors may represent spatial slices across the listener perceived sound stage that may be individually and independently processed with the sound processing system. Following processing, the sound source vectors may be selectively assembled to form an audio output signal having output channels used to drive respective loudspeakers. Since the sources of audible sound are separated and independent, the audible sound sources may be included on any one or more of the output channels. | 04-07-2011 |
20110057657 | PUSH-BUTTON TESTING SYSTEM - A push-button switch test device having a flexible tab fixedly attached to a pushing member. The flexible tab is made of a flexible material and includes a deformation sensitive resistor mounted on a surface. The push-button switch test device may be used to test a push-button by imposing a known force on the flexible tab while receiving a signal level across the deformation sensitive resistor. As the known force pushes on the flexible tab, the signal level indicates when the push-button has engaged. The force may then be reversed to permit sensing of the disengagement of the switch. Configurations of a plurality of push-button switch test devices may be arranged in a test frame that mirrors a configuration of push-button switches. | 03-10-2011 |
20110035217 | SPEECH-DRIVEN SELECTION OF AN AUDIO FILE - A system and method for detecting a refrain in an audio file having vocal components. The method and system includes generating a phonetic transcription of a portion of the audio file, analyzing the phonetic transcription and identifying a vocal segment in the generated phonetic transcription that is repeated frequently. The method and system further relate to the speech-driven selection based on similarity of detected refrain and user input. | 02-10-2011 |
20100318917 | NETWORKED AUDIO/VIDEO SYSTEM - A system for configuring an audio/video (AV) system includes a computing device having a processor to enable a user, with a user interface of the computing device, to configure the AV system. The processor may enable the user to draw output zones to create a representation of a geographical layout of a venue in which the AV system is located. The processor may enable the user to place transmitting and receiving AV devices within the output zones that substantially represent physical locations thereof within the venue. The processor may enable the user to logically associate receiving AV device channels of one or more receiving AV devices within an output zone. The processor may also enable the user to select which of a number of source AV signals from transmitting AV devices the user wants to route to the associated output zone. The processor routes the source AV signals from one or more transmitting AV devices over a network to the one or more receiving AV device channels, such that the one or more receiving AV device channels are processed according to the output zone as configured by the user in the user interface. | 12-16-2010 |
20100318911 | SYSTEM FOR AUTOMATED GENERATION OF AUDIO/VIDEO CONTROL INTERFACES - A system for automating generation of an audio/video (AV) control interface includes a computing device having a processor to enable a user, with a user interface of the computing device, to configure the AV system. The processor may enable the user to draw output zones to create a representation of a geographical layout of a venue in which the AV system is located. The processor may enable the user to place transmitting and receiving AV devices within the output zones that substantially represent physical locations thereof within the venue. The processor may enable the user to logically associate receiving AV device channels of receiving AV devices within an output zone. The processor assigns parameters of the associated AV devices to a control interface for user control thereof. To do so, the processor identifies controllable parameters associated with the AV devices associated with the output zone. The processor assigns a data storage structure associated with each respective controllable parameter to the control interface. The processor launches the control interface in an application window having integrated therewith the controllable parameters and a menu selection of a source AV signal. | 12-16-2010 |
20100310111 | LOUDSPEAKER HAVING AN INTERLOCKING MAGNET STRUCTURE - A magnet structure for use with a loudspeaker has an interlocking mechanism. The magnet structure can include a magnet, a shell pot and at least one core cap. The shell pot can contain the magnet in its hollow interior. The magnet can be a single magnet or double magnets. The core cap has two surfaces. For a single magnet, one surface of the core cap faces the magnet. For double magnets, the core cap can be vertically disposed between the two magnets. The magnet, the core cap and the shell pot can interlock with one another such that a position of the magnet relative to the core cap and the shell pot can be rigidly preserved. The magnet can be configured to be, for example, overlapped, inserted, staked and/or engaged with at least one of the shell pot or the core cap. | 12-09-2010 |
20100290643 | EFFICIENCY OPTIMIZED AUDIO SYSTEM - An automated audio tuning system may optimize an audio system for power efficiency when performing automated tuning of the audio system to optimize acoustic performance. The system may establish any number of different power efficiency weighting factors to provide a balance between acoustic performance and power efficiency during operation. The power efficiency weighting factors may range from representing optimizing power efficiency with constrained optimization of acoustic performance to optimized acoustic performance with minimized regard for power efficiency. For each of the efficiency weighting factors, the system may generate operational parameters, such as filter parameters, to achieve a target acoustic response while maintaining a determined level of power efficiency. | 11-18-2010 |
20100290635 | SYSTEM FOR ACTIVE NOISE CONTROL WITH ADAPTIVE SPEAKER SELECTION - An active noise control system generates an anti-noise signal to drive a first speaker group including at least one speaker to produce sound waves to destructively interfere with an undesired sound in at least one quiet zone. The active noise control system receives error signals representative of a combination of undesired sound and destructively interfering sound waves produced by the first speaker group. The active noise control system may select a second speaker group to replace the first speaker group based on the error signals. | 11-18-2010 |
20100278346 | SPECTRAL MANAGEMENT SYSTEM - A spectral management system may be used in an audio system to receive and process audio signals having multiple distributed audio channels, such as a right, left, center, right side, left side, right rear and left rear channels. The spectral management system may separate and route a frequency range of audio content included in one or more of the distributed audio channels to other distributed audio channels. The separated and routed frequency range of audio content may be combined with audio content present on the other distributed audio channels to which the separated frequency range of audio content is routed. Separation, routing and combination may include bass audio content routing, mid-bass audio content routing, subwoofer audio content routing and treble audio content routing. | 11-04-2010 |
20100272270 | SELF-CALIBRATING LOUDSPEAKER SYSTEM - Systems and methods for calibrating a loudspeaker with a connection to a microphone located at a listening area in a room. The loudspeaker includes self-calibration functions to adjust speaker characteristics according to effects generated by operating the loudspeaker in the room. In one example, the microphone picks up a test signal generated by the loudspeaker and the loudspeaker uses the test signal to determine the loudspeaker frequency response. The frequency response is analyzed below a selected low frequency value for a room mode. The loudspeaker generates parameters for a digital filter to compensate for the room modes. In another example, the loudspeaker may be networked with other speakers to perform calibration functions on all of the loudspeakers in the network. | 10-28-2010 |
20100266149 | IN-WALL SUB-WOOFER WITH HIGH-VOLUME DISPLACEMENT - An in-wall speaker system having at least one pair of active transducers mounted in a wall section. The active transducers may be mounted in at least one enclosure. Each active transducer has a sound radiating surface. Each active transducer is also mounted substantially perpendicular to a surface of the wall section with the sound radiating surfaces substantially parallel to each other. The sound radiating surfaces may be facing each other or away from each other. The in-wall speaker system may also include one or more pairs of passive radiators to generate sound from sound pressure generated by the active transducers. The pairs of speakers in the wall section may be mounted vertically or horizontally within the wall, with a slot or a vent at the opening at the space between the speaker pairs. | 10-21-2010 |
20100266134 | SYSTEM FOR ACTIVE NOISE CONTROL WITH AN INFINITE IMPULSE RESPONSE FILTER - An active noise control (ANC) system includes at least one infinite impulse response filter (IIR). The IIR filter generates an output signal based on an input signal representative of an undesired sound. The ANC system generates an anti-noise signal based on the output signal of the IIR filter. The anti-noise signal is used to drive a speaker to generate sound waves to destructively interfere with the undesired sound. The ANC system includes an update system to generate update coefficients. The update system determines the stability of the update coefficients. Coefficients of the IIR filter are replaced with the update coefficients. The update system generates a set of update coefficients for each sample of the input signal. | 10-21-2010 |
20100260345 | SYSTEM FOR ACTIVE NOISE CONTROL BASED ON AUDIO SYSTEM OUTPUT - An active noise control (ANC) system is configured to generate at least one anti-noise signal configured to drive a speaker to generate sound waves to destructively interfere with an undesired sound present in a target space. The at least one anti-noise signal is adjusted based an output signal of an audio system. The at least one anti-noise signal may be adjusted based on at least one of a volume level of the audio system, a power level of at least one predetermined frequency or frequency range of the output signal of the audio system, frequency content of an output signal of the audio system. The ANC system receives an error signal to adjust generation of the at least one anti-noise signal. The error signal is adjusted to compensate for adjustment of the at least one anti-noise signal based on the output signal of the audio system. | 10-14-2010 |
20100246848 | MOTIONAL FEEDBACK SYSTEM - An audio amplifier is operated in an audio system with optimized source impedance to minimize distortion in a loudspeaker that is paired with the audio amplifier. The audio amplifier provides an amplified audio signal to drive the loudspeaker. A variable output impedance of the audio amplifier is controlled using a feedback control loop to allow negative output impedance at low frequencies that changes to positive output impedance at higher frequencies. The change from negative output impedance to positive output impedance occurs at a determined threshold frequency or determined transitional frequency band. | 09-30-2010 |
20100229208 | VEHICULAR DIGITAL AUDIO RECORDER ENERGY USAGE MONITOR - The present invention relates to the use of a power control module with a recorder for recording audio programming and accessing audio programming that is part of a vehicle entertainment system (VES) where the power control module assures the energy used by the recorder when the vehicle is off does not drain the power supply beyond a predetermined level. | 09-09-2010 |
20100229207 | VEHICULAR DIGITAL AUDIO RECORDER USER INTERFACE - The present invention relates to the use of a recorder that is part of a vehicle entertainment system (VES) for recording audio programming and accessing recorded audio programming, where external controls for the recorder may be located on the steering wheel of the vehicle, allowing a driver to safely configure the VES for recording audio programming and accessing the recorded audio programming. | 09-09-2010 |
20100215204 | SPEAKER ISOLATION SYSTEM - A loudspeaker mounting assembly for mounting a loudspeaker in an isolated relation to a structure includes an enclosure and a plurality of interface elements composed of a vibration-damping material. The enclosure has an interior for receiving the loudspeaker and includes at least two spaced-apart support members. Each of the at least two support members includes a support member outer surface and an inner surface extending from the support member outer surface into the support member. The inner surface defines a support member bore. Each interface element includes an interface element outer surface. Each interface element is disposed in a corresponding one of the support member bores and at least partially extends out from the respective support member outer surface, where each interface element outer surface contacts the respective inner surface of the support member. | 08-26-2010 |
20100214022 | BI-DIRECTIONAL AND ADJUSTABLE CURRENT SOURCE - A Bi-Directional and Adjustable Current Source (“BACS”) for providing an amplifier input with a voltage signal that is linear, where an output of the BACS and the amplifier input are shunted with a capacitor, is described. The BACS may include a first switch in signal communication with a high voltage reference and a first current source in signal communication with the first switch. The BACS may also include a second switch in signal communication with a low voltage reference and a second current source in signal communication with the second switch. The BACS may further include a directional current element in signal communication with both the first current source, the second current source, the output of the BACS, the amplifier input, and the capacitor, where the directional current element is configured to prevent current flow from the output BACS to the first current source. | 08-26-2010 |
20100205223 | SYSTEM FOR BROADCAST INFORMATION DATABASE - A database system includes a processor configured to receive broadcasts according to a plurality of broadcast formats. The processor determines broadcast information associated with each received broadcast. The processor stores a database entry for each received broadcast within a database stored in the memory. Each database entry is indicative of the broadcast information associated the received broadcast. The processor continuously populates the database with broadcast information associated with received broadcasts. The database is user-accessible, allowing database entries to be viewed and altered. Ratings for various broadcast information are user-provided allowing preferred broadcast content to be user-designated based on the broadcast information. The ratings are used to notify a user of preferred broadcast content being broadcast according to at least one of the broadcast formats allowing the user to select receipt of the preferred broadcast content while available. | 08-12-2010 |
20100177905 | SYSTEM FOR ACTIVE NOISE CONTROL WITH PARALLEL ADAPTIVE FILTER CONFIGURATION - An active noise control system includes a plurality of adaptive filters. The plurality of adaptive filters each receives an input signal representative of an undesired sound. The adaptive filters may each generate an output signal based on the input signal. The output signals are used to generate an anti-noise signal configured to drive a speaker to produce sound waves to destructively interfere with the undesired sound. | 07-15-2010 |
20100141585 | MID-KEYBOARD-MONITOR COMPUTER-BASED AUDIO I/O DEVICE - A system and device for placement between a keyboard and monitor on a work surface that routes cables and provides access to controls, where the system and device rest in a first position for use and a second position for access to ports and cables. | 06-10-2010 |
20100124337 | QUIET ZONE CONTROL SYSTEM - An active noise control system generates an anti-noise signal to drive a speaker to produce sound waves to destructively interfere with an undesired sound in a quiet zone. The anti-noise signal is generated with an adaptive filter having filter coefficients. The coefficients of the adaptive filter may be adjusted based on a first filter adjustment from a first listening region, and a second filter adjustment from a second listening region. A first weighting factor may be applied to the first filter adjustment, and a second weighting factor may be applied to the second filter adjustment. The first and second weighting factors may dictate the location and size of the quiet zone as being outside or partially within at least one of the first listening region and the second listening region. | 05-20-2010 |
20100124336 | SYSTEM FOR ACTIVE NOISE CONTROL WITH AUDIO SIGNAL COMPENSATION - An active noise control system generates an anti-noise signal to drive a speaker to produce sound waves to destructively interfere with an undesired sound in a targeted space. The speaker is also driven to produce sound waves representative of a desired audio signal. Sound waves are detected in the target space and a representative signal is generated. The representative signal is combined with an audio compensation signal to remove a signal component representative of the sound waves based on the desired audio signal and generate an error signal. The active noise control adjusts the anti-noise signal based on the error signal. The active noise control system converts the sample rates of an input signal representative of the undesired sound, the desired audio signal, and the error signal. The active noise control system converts the sample rate of the anti-noise signal. | 05-20-2010 |
20100104117 | CONSTANT-BEAMWIDTH LOUDSPEAKER ARRAY - A loudspeaker is provided for receiving an incoming electrical signal and transmitting an acoustical signal that is directional and has a substantially constant beamwidth over a wide frequency range. The loudspeaker may include a curved mounting plate that has curvature over a range of angles. The loudspeaker may include an array of speaker drivers coupled to the mounting plate. Each speaker driver may be driven by an electrical signal having a respective amplitude that is a function of the speaker driver's respective location on the mounting plate. The function may be a Legendre function. Alternatively, the loudspeaker may include a flat mounting plate. In this case, the respective electrical signal driving each speaker may have a phase delay that virtually positions the speaker onto a curved surface. | 04-29-2010 |
20100019847 | AMPLIFIER EMPLOYING INTERLEAVED SIGNALS FOR PWM RIPPLE SUPPRESSION - An amplifier having improved distortion characteristics is set forth. The amplifier includes an interleaved PWM amplifier that generates interleaved PWM pulses in response to a modified input signal and one or more carrier signals. The interleaved PWM pulses of the amplifier are used to drive a power stage, such as an opposed current power stage. The amplifier also includes an interleaved PWM generator that provides interleaved PWM pulses in response to the modified input signal and one or more further carrier signals. The carrier signals used by the PWM generator may differ in phase from the carrier signals used by the interleaved PWM amplifier to generate its interleaved PWM pulses. One or more feedback circuits are employed in the generation of the modified input signal. More particularly, the feedback circuit(s) generates the modified input signal based on an input signal that is to be amplified and the interleaved PWM pulses of the interleaved PWM generator. | 01-28-2010 |
20100019846 | AMPLIFIER EMPLOYING INTERLEAVED SIGNALS FOR PWM RIPPLE SUPRESSION - An amplifier having improved distortion characteristics is set forth. The amplifier includes an interleaved PWM amplifier that generates interleaved PWM pulses in response to a modified input signal and one or more carrier signals. The interleaved PWM pulses of the amplifier are used to drive a power stage, such as an opposed current power stage. The amplifier also includes an interleaved PWM generator that provides interleaved PWM pulses in response to the modified input signal and one or more further carrier signals. The carrier signals used by the PWM generator may differ in phase from the carrier signals used by the interleaved PWM amplifier to generate its interleaved PWM pulses. One or more feedback circuits are employed in the generation of the modified input signal. More particularly, the feedback circuit(s) generates the modified input signal based on an input signal that is to be amplified and the interleaved PWM pulses of the interleaved PWM generator. | 01-28-2010 |
20100008648 | AUDIO ONLY PLAYBACK OF A DISK HAVING BOTH AUDIO AND VIDEO RECORDINGS - A system and method for playing audio only in a disk player. The disc player is configured to read data from disks formatted according to a selected audio and video standard. The system includes a file reader to read files of audio and video files based on the audio and video standard. A stream parser identifies audio data, video data and sub-picture data. An audio decoder decodes the audio data according to the audio standard. A video stub receives the video data and leaves the video data unprocessed. A sub-picture menu processor extracts menu information. A user interface system to use the menu information to configure at least one user input to play audio-only from the disk according to the menu information. | 01-14-2010 |
20090324000 | SPEAKER SURROUND STRUCTURE FOR MAXIMIZING CONE DIAMETER - A surround that is generally arched in shape and that includes a radial exterior flange that extends downward from exterior side of the arched portion of the surround and that adhesively attaches to the inner wall or edge of the mounting ring of the frame of the loudspeaker. | 12-31-2009 |
20090316930 | WIDE-BAND EQUALIZATION SYSTEM - A Wide-band Equalization System (“WBES”) based on near- and far-field measurement data. The WBES includes a subwoofer equalizer having an FIR filter together with decimator and interpolator filters for processing low frequency signals. The WBES may also include satellite channels for processing mid- and high-frequency signals, where each satellite channel includes cascaded IIR filters that process mid-frequency and high-frequency signals, respectively. The WBES may also include a DSP that performs the functions required by the IIR and FIR filters. | 12-24-2009 |
20090310809 | PHASING PLUG - A phasing plug for a compression driver includes a base portion and a hub portion. The base portion includes a first side, a second side, and a plurality of apertures extending between the first and second sides. The hub portion extends from the base portion along an axis. A plurality of channels formed on the second side of the base portion, each channel extending from the hub portion to a corresponding one of a plurality of apertures extending between the first and second sides, the apertures formed to define lines cutting diagonally across the annular section. | 12-17-2009 |
20090310808 | WAVEGUIDE - A waveguide configured to function as a high frequency waveguide for a high frequency sound source mounted to the waveguide, and to function as an acoustical low pass filter for a low frequency sound source mounted behind the waveguide in a multi-way loudspeaker system. The waveguide includes openings that overlay the vibrating surface of the low frequency source. The openings are configured by selection of various geometrical parameters to tailor filtering characteristics as desired. | 12-17-2009 |
20090267656 | PRECISION TRIANGLE WAVEFORM GENERATOR - A triangle waveform generator is set forth that comprises a capacitive element, a regulator, and a control circuit. The regulator is configured to charge the capacitive element in responsive to a first control signal and to discharge the capacitive element in response to a second control signal. The control circuit is responsive to a reference waveform to generate the first and second control signals. In one example, the control circuit generates the first and second control signals in response to the amplitude, frequency, phase, and symmetry of the reference waveform. | 10-29-2009 |
20090232332 | CLASS-D TRANSCONDUCTANCE AMPLIFIER - The invention relates to a class-D audio amplifier. The class-D audio amplifier is configured in a current feedback mode as a voltage-controlled current source and a passive inductor/capacitor (LC) reconstruction filter. A portion of the passive LC reconstruction filter is situated in a feedback loop to an error amplifier. | 09-17-2009 |
20090230273 | SUSPENSION SYSTEM - A system is provided for suspending a plurality of line array loudspeakers. The suspension system includes a rigging bar having an engaging member, such as a pivotal member, positioned near one end of the rigging bar. The engaging member includes a free end capable of extending outward past the end of the rigging bar in which the engaging member is positioned. The end of the rigging bar opposite the pivotal member is designed to releasably receive an engaging member of an adjacent rigging bar. The free end of the engaging member of the rigging bar may include a hole that aligns with holes positioned in the receiving end of the rigging bar. The engaging member of one rigging bar may then be secured to an adjacent rigging bar by aligning holes of the engaging member of a first rigging bar with the holes in the receiving end of a second rigging bar and inserting a release pin through the aligned holes. | 09-17-2009 |
20090168360 | CLAMP FOR ELECTRICAL DEVICES - An assembly for clamping electrical components against a heat-dissipating surface of a heat sink may include the heat sink, one or more electrical components, two or more springs, and a fastener. Each of the springs may include a first surface, and a second surface opposite the first surface. The second surface of each of the springs may include an attachment region and two contact regions. The attachment region may be between the two contact regions. The second surface of one of the springs may overlap the first surface of another one of the springs. Each of the springs may be positioned to hold the electrical components against the heat dissipating surface of the heat sink. Each of the two contact regions of each of the springs may be positioned to hold the electronic components against the heat-dissipating surface. The fastener may couple the springs together in the attachment region of each of the springs and may further couple the springs to the heat sink. | 07-02-2009 |
20090164473 | VEHICLE INFOTAINMENT SYSTEM WITH VIRTUAL PERSONALIZATION SETTINGS - The personalized content system of the system combines a summary music identification value creation and identification algorithm that represents a mathematical summary music identification of a song, an audio file, or other relational music criteria and data (e.g. title, artist, genre, style, beats per minute, etc.) or any combination thereof. The derived value represents the musical taste or style attributes of a song or style. The analysis and generation of the summary music identification value is intended to take place while outside the vehicle where attention can be paid and vehicle distraction and safety is not an issue. A user can generate a single summary music identification value or can generate multiple summary music identification values for different criteria. In other cases, summary music identification values can be defined for genre, but with a much more personal touch possible than with fixed playlist radio stations. In another embodiment, a user can obtain and use someone else's summary music identification value (e.g. a celebrity, artist, friend, etc.) and use it with the system. | 06-25-2009 |
20090147975 | SPATIAL PROCESSING STEREO SYSTEM - A spatial processing stereo system (“SPSS”) that receives audio signals and a limited number of user input parameters associated with the spatial attributes of a room, such as “room size”, “stage distance”, and “stage width”. The input parameters are used to define a listening room and generate coefficients, room impulse responses, and scaling factors that are used generate additional surround signals. | 06-11-2009 |
20090123005 | MULTIPLE MAGNET LOUDSPEAKER - A loudspeaker provides increased magnetic flux from multiple magnets to drive voice coils to generate sound. The loudspeaker is formed as a smaller profile and reduced weight package. The loudspeaker includes a dual pole, first and second magnets, first and second front plates, and first and second gaps. The polarities of the first and second magnets are aligned in the same direction. The first and second magnets may be disk or ring-shaped and may be coupled to a flange of the dual pole. The first and second gaps may be formed between the inner diameters of the first and second magnets and the dual pole. The magnetic flux produced by the first and second magnets may be combined, directed, and concentrated within the first and second gaps by the dual pole and the front plates. At least portions of a first and a second voice coil may be positioned within the first and second gaps, respectively, and diaphragms may be coupled to the first and second voice coils. | 05-14-2009 |
20090097753 | SYSTEM FOR A TEXT SPELLER - An apparatus may generate a text entry with a user interface. The apparatus may include a display, a user input device, a memory and a processor. The apparatus may display single character user input controls and multi-character user input controls on the display. Each of the single character user input controls and the multi-character user input controls may be buttons selectable with the user input device. A single character user input control may correspond to a single character and a multi-character user input control may correspond to a group of characters. The apparatus may display one of the multi-character user input controls in a display region and other user input controls outside of the display region. If the multi-character user input control is selected, the apparatus may replace the multi-character user input control with a second set of single character user input controls in an expanded display region. | 04-16-2009 |
20090074228 | LOUDSPEAKER CONE BODY - A loudspeaker cone body made of paper may include a chemically-bound nanomaterial, such as a carbon nanotube. The carbon nanotube may be chemically bound to a functionalizing agent having a chemical group chemically bound to one or more papermaking additives, such as a sizing agent or a wet strength agent, a dry strength agent, a resin or cellulose-containing papermaking stock material typically present in a paper loudspeaker cone body, such as pulp. Acoustic-related loudspeaker performance characteristics such as stiffness to weight ratio and an acoustic damping of the loudspeaker cone body may be altered by incorporation of the nanomaterials chemically bound to the loudspeaker cone body. | 03-19-2009 |
20080319564 | SOUND PROCESSING SYSTEM FOR CONFIGURATION OF AUDIO SIGNALS IN A VEHICLE - A sound processing system for a vehicle includes a sound processor that is configured to mix at least one real audio input signal to form at least one virtual output signal. At least one audio signal that is available to drive at least one loudspeaker may be formed using the combination of the virtual output signal and the real audio input signal. The virtual output signal may be post processed to form a predetermined frequency range of the audio signal prior to being combined with the real audio input signal. The audio signal may be created by mixing the real audio input signal with the post processed virtual output signal. Alternatively, the audio signal may be formed by mixing the real audio input signal to form a real audio output signal, and then summing the real audio output signal with the post processed virtual output signal. Mixing may be performed with a crossbar mixer included in the sound processor. | 12-25-2008 |
20080317257 | SOUND PROCESSING SYSTEM FOR CONFIGURATION OF AUDIO SIGNALS IN A VEHICLE - A sound processing system for a vehicle includes a sound processor that is configured to mix at least one real audio input signal to form at least one virtual output signal. At least one audio signal that is available to drive at least one loudspeaker may be formed using the combination of the virtual output signal and the real audio input signal. The virtual output signal may be post processed to form a predetermined frequency range of the audio signal prior to being combined with the real audio input signal. The audio signal may be created by mixing the real audio input signal with the post processed virtual output signal. Alternatively, the audio signal may be formed by mixing the real audio input signal to form a real audio output signal, and then summing the real audio output signal with the post processed virtual output signal. Mixing may be performed with a crossbar mixer included in the sound processor. | 12-25-2008 |
20080278984 | AUTOMATIC ZERO VOLTAGE SWITCHING MODE CONTROLLER - A switching DC to AC power converter includes an automatic zero voltage switching (ZVS) mode controller. The automatic zero voltage switching mode controller may adjust a ZVS dead-time in accordance with a range of load currents being supplied by the power converter that range from quiescent conditions to a predetermined loading level of the power converter. The variable ZVS dead-time may be larger nearer to quiescent conditions, and become progressively smaller as load currents increase. Outside a predetermined range of load currents, the variable ZVS dead-time may be disabled or minimized. | 11-13-2008 |
20080273734 | COMBINED POWER AND AUDIO DOCK FOR HANDHELD DEVICE - A combined power and audio dock for a handheld electronic device provides an integrated solution to the multiple uses of multifunction devices such as mobile telephones with built-in music players. The dock is configured with a recess into which the handheld device is docked so that all four exterior edges of the device are surrounded by the dock. This enables the dock to engage with any controls, jacks and ports along any edge of the device, and includes loudspeakers that can amplify the audio output of the device. The device is docked in an intentional assembly sequence that enables power and audio connectors to engage corresponding jacks on common, adjacent or opposing edges of the handheld device. Removal is accomplished in a reverse sequence. | 11-06-2008 |
20080247593 | LOUDSPEAKER MOUNTING ASSEMBLY - A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis. | 10-09-2008 |
20080247575 | DIRECTIONAL LOUDSPEAKER TO REDUCE DIRECT SOUND - A directional loudspeaker provides an enhanced listening environment by producing an indirect sound field of greater amplitude than that of the direct sound field. The directional loudspeaker includes loudspeaker elements positioned to provide a listener located below the loudspeaker elements with an impression of sound spaciousness in a vehicle environment. The loudspeaker elements may include baffles or acoustic lenses to deflect the indirect field away from the path to the listener position. The loudspeaker may also be operated with windows open by channeling the indirect sound field through an acoustic waveguide and deflector to the listener. A sound processor is also provided to accept a sound input, create an indirect and direct sound field, output the sound fields to loudspeaker elements, and also may provide electronic enhancement effects such as multi-channel sound or sound parameter adjustment. | 10-09-2008 |
20080232603 | SYSTEM FOR MODIFYING AN ACOUSTIC SPACE WITH AUDIO SOURCE CONTENT - An audio signal processing system is configured to separate an audio signal into a dry signal component and one or more reverberant signal components. The dry signal component and the reverberant signal components can be separately modified and then recombined to form a processed audio signal. Alternatively, the dry signal component may be combined with an artificial reverberation component to form the processed audio signal. Modification of the reverberation signal component and generation of the artificial reverberation component may be performed in order to modify the acoustic characteristics of an acoustic space in which the audio signal is driving loudspeakers. The audio signal may be a pre-recorded audio signal or a live audio signal generated inside or outside the acoustic space. | 09-25-2008 |
20080229249 | USER INTERFACE FOR MULTIFUNCTION DEVICE - A graphical user interface for use in connection with a device having navigation and media functionality includes a navigation interface and a media interface that each have having a plurality of screens adapted to facilitate interaction between a user and a navigation application and a media application, respectively. An application interface toggle button it is actuatable on at least one of the plurality of navigation interface screens and on at least one of the plurality of media interface screens. Actuation of the application interface toggle button from a navigation interface screen invokes display of a media interface screen, and actuation of the application interface toggle button from a media interface screen invokes display of a navigation interface screen. | 09-18-2008 |
20080205690 | LOUDSPEAKER MAGNETIC FLUX COLLECTION SYSTEM - A loudspeaker design delivers improved efficiency by reducing the power required from an audio source to produce sound. The loudspeaker includes a magnet housing, at least two magnets and a magnetic flux collector. The magnetic flux collector is coupled with and extends away from the magnet housing. Magnetic flux generated by the magnets is received and channeled by the magnetic flux collector and the magnet housing to an air gap included in the loudspeaker to maximize the availability of the magnetic energy of the magnets in the air gap. | 08-28-2008 |