Patent application number | Description | Published |
20090281287 | IL-17 receptor like molecules and uses thereof - The present invention provides for IL-17 receptor like polypeptides and nucleic acid molecules encoding the same. The invention also provides vectors, host cells, agonists and antagonists (including selective binding agents), and methods for producing IL-17 receptor like polypeptides. Also provided for are methods for treatment, diagnosis, amelioration, or prevention of diseases with IL-17 receptor like polypeptides. | 11-12-2009 |
20100303820 | METHODS OF TREATMENT USING IL-17E ANTAGONISTS - Novel IL-17 like polypeptides and nucleic acid molecules encoding the same. The invention also provides vectors, host cells, selective binding agents, and methods for producing IL-17 like polypeptides. Also provided for are methods for the treatment, diagnosis, amelioration, or prevention of diseases with IL-17 like polypeptides, agonists, or antagonists thereof. | 12-02-2010 |
20110160438 | IL-17 RECEPTOR LIKE MOLECULES AND USES THEREOF - The present invention provides for IL-17 receptor like polypeptides and nucleic acid molecules encoding the same. The invention also provides vectors, host cells, agonists and antagonists (including selective binding agents), and methods for producing IL-17 receptor like polypeptides. Also provided for are methods for treatment, diagnosis, amelioration, or prevention of diseases with IL-17 receptor like polypeptides. | 06-30-2011 |
20140037635 | METHODS OF TREATMENT USING IL-17E ANTAGONISTS - Novel IL-17 like polypeptides and nucleic acid molecules encoding the same. The invention also provides vectors, host cells, selective binding agents, and methods for producing IL-17 like polypeptides. Also provided for are methods for the treatment, diagnosis, amelioration, or prevention of diseases with IL-17 like polypeptides, agonists, or antagonists thereof. | 02-06-2014 |
Patent application number | Description | Published |
20130057325 | AUTOMATIC FREQUENCY CALIBRATION OF A MULTI-LCVCO PHASE LOCKED LOOP WITH ADAPTIVE THRESHOLDS AND PROGRAMMABLE CENTER CONTROL VOLTAGE - Described embodiments provide a method of calibrating, by a calibration engine, a phase-locked loop (PLL) having one or more adjustable oscillators. The method includes entering a calibration mode of the PLL. The PLL is set to an initial state, thereby selecting one of the adjustable oscillators for calibration, an initial threshold window, and an initial tuning band of the selected adjustable oscillator. If the control signal of the selected adjustable oscillator is not within the initial threshold window, the calibration engine iteratively adjusts at least one of: (i) the selected tuning band of the selected adjustable oscillator, (ii) the selected adjustable oscillator, and (iii) the selected threshold window until the control signal of the selected adjustable oscillator is within the adjusted threshold window. If the control signal is within the threshold window, the one or more calibration settings of the PLL are stored and used to set the PLL operation. | 03-07-2013 |
20140181845 | SINGLE SERDES TRANSMITTER DRIVER DESIGN FOR BOTH ETHERNET AND PERIPHERAL COMPONENT INTERCONNECT EXPRESS APPLICATIONS - An apparatus includes a first coding circuit, a second coding circuit, and a plurality of source series terminated driver slices. The first coding circuit may be configured to generate a plurality of digital filter control codes in response to a plurality of filter coefficients and a control signal. The control signal selects between a plurality of communication specifications. The second coding circuit may be configured to generate a plurality of driver slice control codes in response to the plurality of digital filter control codes. The plurality of source series terminated driver slices configured to generate an output signal according to a selected one of the plurality of communication specifications in response to the plurality of driver slice control codes, a main cursor signal, a pre-cursor signal, and a post cursor signal. | 06-26-2014 |
20150085957 | Method Of Calibrating a Slicer In a Receiver Or the Like - A method of calibrating data slicer-latches in a receiver to remove offset errors in the slicer-latches. A known voltage is applied to all but one of the inputs of the slicer-latch. The remaining input receives an offset cancelation voltage from a DAC is stepped upward from a minimum voltage until the slicer-latch output transitions by incrementing a codeword to the DAC and the codeword that resulted the transition is saved. Then the offset cancelation voltage is swept downward in steps from a maximum voltage until the slicer-latch output transitions and the codeword that caused the transition is averaged with the stored codeword. The average of the codewords is applied to the DAC to generate the offset cancelation voltage used during normal operation of the receiver. | 03-26-2015 |
Patent application number | Description | Published |
20080238508 | Input Clock Detection Circuit for Powering Down a PLL-Based System - An apparatus is provided for detecting the loss of an input clock signal for a phase-locked loop (PLL). The apparatus includes a time delay circuit, a first frequency divider and a digital logic circuit. The time delay circuit receives the input clock signal and outputs a first time-delayed clock signal. The first frequency divider receives an input signal from an internal clock of the PLL and outputs a clock signal having the same frequency or a lower frequency than that of the time-delayed clock signal. The digital logic circuit that receives the first frequency divider output signal and the first time-delayed clock signal and outputs a signal indicating the loss of the input clock signal if there is no first time-delayed clock signal for a cycle of the first frequency divider output signal. | 10-02-2008 |
20090109583 | ESD PROTECTION CIRCUIT FOR INSIDE A POWER PAD OR INPUT/OUTPUT PAD - An electrostatic discharge (ESD) protection circuit configured completely inside one of a power pad and an I/O pad of an electronic circuit, the ESD protection circuit comprising an electrostatic discharge (ESD) circuit that, when activated, discharges an ESD from a first voltage bus to a second voltage bus. The second voltage bus is at a lower electrical potential than the first voltage bus. An ESD discharge control circuit in electrical connection with the ESD discharge circuit that controls the activation of the ESD discharge circuit and including an NMOS transistor and an electrical node. The NMOS transistor regulating a rate of voltage decay of the electrical node from a predetermined high voltage level to a lower voltage level, the regulation of the rate of voltage decay of the electrical node is non-linear. The activation of the ESD discharge circuit determined by the rate of voltage decay of the electrical node. | 04-30-2009 |
20090256600 | INPUT CLOCK DETECTION CIRCUIT FOR POWERING DOWN A PLL-BASED SYSTEM - An apparatus is provided for detecting the loss of an input clock signal for a phase-locked loop (PLL). The apparatus includes a time delay circuit, a first frequency divider and a digital logic circuit. The time delay circuit receives the input clock signal and outputs a first time-delayed clock signal. The first frequency divider receives an input signal from an internal clock of the PLL and outputs a clock signal having the same frequency or a lower frequency than that of the time-delayed clock signal. The digital logic circuit that receives the first frequency divider output signal and the first time-delayed clock signal and outputs a signal indicating the loss of the input clock signal if there is no first time-delayed clock signal for a cycle of the first frequency divider output signal. | 10-15-2009 |
20120170332 | EMI MITIGATION OF POWER CONVERTERS BY MODULATION OF SWITCH CONTROL SIGNALS - The present invention provides for EMI mitigation in switching circuitry, such as power converters, by implementing a controlled, non-random change in frequency in every cycle of switch control signals based on a static or dynamically changing modulation cycle. This permits frequency spreading across a wide range while avoiding excessive jitter between cycles and voltage dropouts common to randomized EMI control circuitry. Further, since it may be implemented digitally, some embodiments may avoid performance, size and power consumption problems experienced by mixed signal or analog switch control circuitry and EMI control circuitry. Further still, implementations of the present invention may mitigate EMI from a constant frequency source without the necessity of a variable frequency source, such as one generated by a VCO, to realize frequency variation. By eliminating the need for analog and mixed signal circuitry, and additional corrective circuitry, some embodiments may also reduce design, testing and production costs. | 07-05-2012 |
20140055078 | WIRELESS BATTERY CHARGER FOR MOBILE DEVICES AND METHOD THEREOF - A wireless direct contact charger includes (a) a voltage supply; (b) a first plate electrode and a second plate electrode; (c) a polarity detection circuit that detects; and (d) a switching circuit. When the first electrode or the second electrode of the portable device is placed on the first plate electrode or the second plate electrode, the polarity detection circuit detects the polarity of the portable device charging terminals (i.e, whether the first electrode of the portable device is in contact with the first plate electrode, the second electrode of the portable device is in contact with the first plate electrode or any other suitable orientations). Based on the detected polarity, the switching circuit connects the first plate electrode and the second plate electrode to the voltage supply to provide an output voltage to the portable device for charging its battery, | 02-27-2014 |
20140194160 | WIRELESS CHARGER CIRCUIT AND METHOD - A charging system for a mobile device includes a transmitter and a receiver. The transmitter includes (a) a first interface to a power source; (b) a second interface to the receiver; (c) a polarity detection circuit for detecting polarities of the; and (d) first and second switches controlled by the polarity detection circuit, wherein each switch selectively connects a terminal of the first interface to a terminal of the second interface. The receiver includes: (a) a first interface; (b) a second interface coupled to a device to be charged; and (c) a connection circuit between a terminal of the first interface and a terminal of the second interface, wherein the connection circuit is conductive when the voltage across these terminals is of a first polarity, and a second polarity otherwise. | 07-10-2014 |
20150130406 | WIRELESS CHARGER FOR MOBILE DEVICES WITH FLEXIBLE PLATFORM AND METHOD - A wireless charger and a method allow the wireless charger to have enhanced portability and a smaller footprint when not performing the charging function. The wireless charger includes a charging circuit providing power on one or more power lines, a housing for the wireless charger, and a flexible platform that includes a charging surface with two or more contact electrodes. The flexible platform may be unfolded or unrolled for charging a mobile device, and folded up or rolled up to achieve a smaller footprint, when not performing a charging operation. The wireless charger may further includes a data communication circuit for data communication between a power-line network and the mobile device. | 05-14-2015 |
20160134156 | WIRELESS CHARGER CIRCUIT AND METHOD - A charging system for a mobile device includes a transmitter and a receiver. The transmitter includes (a) a first interface to a power source; (b) a second interface to the receiver; (c) a polarity detection circuit for detecting polarities of the; and (d) first and second switches controlled by the polarity detection circuit, wherein each switch selectively connects a terminal of the first interface to a terminal of the second interface. The receiver includes: (a) a first interface; (b) a second interface coupled to a device to be charged; and (c) a connection circuit between a terminal of the first interface and a terminal of the second interface, wherein the connection circuit is conductive when the voltage across these terminals is of a first polarity, and a second polarity otherwise. | 05-12-2016 |
Patent application number | Description | Published |
20090207818 | PACKET DECODING FOR H-ARQ TRANSMISSION - Techniques for efficiently decoding packets sent with H-ARQ are described. Packet decoding for H-ARQ may be performed based on local search around a start of packet (SOP) decision for a packet. The SOP decision for the packet may be made based on traffic detection results for received transmissions. At least one SOP hypothesis may be determined for the packet based on the SOP decision, and the received transmissions may be decoded based on the at least one SOP hypothesis. A sliding SOP window may be used to keep track of SOP hypotheses for the packet. The sliding window may be initialized at an earliest received transmission, moved forward for each subsequent received transmission with no detected packet data, and maintained at the first received transmission with detected traffic. Rotating buffers may be used to store received transmissions for packets for decoding. | 08-20-2009 |
20090245430 | EFFICIENT PARALLEL SUB-PACKET DECODING USING MULTIPLE DECODERS - A configurable decoder within a receiver (for example, within a wireless communication device) includes numerous decoders. In one mode, the multiple decoders are used to decode different sub-packets of a packet. When one decoder completes decoding the last sub-packet assigned to it of the packet, then that decoder generates a packet done indication. A control circuit receives the packet done indications, and when all the decoders have generated packet done indications then the control circuit initiates an action. In one example, the action is the interrupting of a processor. The processor responds by reading status information from the control circuit, thereby resetting the interrupt. End-of-packet markers are usable to generate packet done indications and to generate EOP interrupts. Similarly, end-of-group markers are usable to generate group done indications and to generate EOG interrupts. The decoder block is configurable to process sub-packets of a packet using either one or multiple decoders. | 10-01-2009 |
20100184397 | METHOD AND SYSTEM FOR DC COMPENSTATION - A technique for performing AGC and DC compensation in a receiver. The receiver comprises an energy estimator for generating an estimate of the level of a received signal; an RF device to apply gain to the received signal; an AGC for controlling the RF device gain based on the energy estimation; a first DC compensation loop for finely adjusting the DC component of the received signal in fast or slow tracking mode (FTM or STM); and a second DC compensation loop for coarsely adjusting the DC component of the received signal. Three modes of AGC operations: In Acquisition, iterations of FTM fine DC adjustment, short energy estimation, and RF device gain adjustment are performed during signal timing detection. In Connected, long energy estimation, RF device gain adjustment, and STM fine and coarse DC adjustments are performed during superframe preamble. In Sleep, FTM fine DC adjustment, short energy estimation, and RF device gain adjustment are performed during superframe preamble. | 07-22-2010 |
20140053049 | METHODS AND APPARATUSES FOR SAVING POWER DURING TRANSPORT BLOCK DECODING IN UMTS SYSTEMS - The present disclosure describes methods and apparatuses for improved transport block decoding in devices capable of wireless communication, which may include user equipment and network entities. For example, the present disclosure presents methods and apparatuses for decoding a code block from a plurality of code blocks corresponding to a transport block, obtaining a reliability indicator that identifies a reliability of the decoding of the code block, comparing the reliability indicator to a reliability threshold, and determining whether to decode a subsequent code block from the plurality of code blocks based on the comparing. Furthermore, these methods and apparatuses may include determining not to decode at least one subsequent code block of the transport block where the comparing indicates that the reliability indicator is less than the reliability threshold. As such, device power is not unnecessarily consumed by decoding likely superfluous code blocks. | 02-20-2014 |
Patent application number | Description | Published |
20080275861 | Inferring User Interests - The subject matter of this specification can be embodied in, among other things, a method that includes determining, for a portion of users of a social network, label values each comprising an inferred interest level of a user in a subject indicated by a label, associating a first user with one or more second users based on one or more relationships specified by the first user, and outputting a first label value for the first user based on one or more second label values of the one or more second users. | 11-06-2008 |
20080275899 | Advertiser and User Association - The subject matter of this specification can be embodied in, among other things, a method that includes generating content-based keywords based on content generated by users of a social network. The method includes labeling nodes comprising user nodes, which are representations of the users, with advertising labels comprising content-based keywords that coincide with advertiser-selected keywords that are based on one or more terms specified by an advertiser. The method also includes outputting, for each node, weights for the advertising labels based on weights of advertising labels associated with neighboring nodes, which are related to the node by a relationship. | 11-06-2008 |
20090172727 | SELECTING ADVERTISEMENTS TO PRESENT - A request to select sponsored content to be presented with a first content item including video is received. A second content item including video is identified. The video included in the second content item has been viewed by at least one viewer of the video included in the first content item. Sponsored content that has been presented with the second content item is identified and selected to be presented with the first content item is selected. | 07-02-2009 |
20090319388 | Image Capture for Purchases - The subject matter of this specification can be embodied in, among other things, a computer-implemented item identification method that includes identifying an item in an image received from a remote electronic device; transmitting search results containing information about the item for one or more vendors of the item; and transmitting to the remote device code for executing an order for the item from the one or more vendors of the item. | 12-24-2009 |
20100034466 | Object Identification in Images - A first indication of a portion of an image presented on a display device associated with a first user is received in response to a prompt to identify an object. A second indication of a portion of the image presented on a display device associated with a second user is received in response to a prompt to identify the object. A region-of-interest in the image is identified based on the first indication and the second indication. The region-of-interest is associated with an identifier of the object. A designator is associated with the region-of-interest in the image, the designator being configured to present information related to the object. Presentation of the designator associated with the region-of-interest in the image is enabled in subsequent presentations of the image. | 02-11-2010 |
20110112916 | Advertiser and User Association - The subject matter of this specification can be embodied in, among other things, a method that includes generating content-based keywords based on content generated by users of a social network. The method includes labeling nodes comprising user nodes, which are representations of the users, with advertising labels comprising content-based keywords that coincide with advertiser-selected keywords that are based on one or more terms specified by an advertiser. The method also includes outputting, for each node, weights for the advertising labels based on weights of advertising labels associated with neighboring nodes, which are related to the node by a relationship. | 05-12-2011 |
20110320317 | IMAGE CAPTURE FOR PURCHASES - The subject matter of this specification can be embodied in, among other things, a computer-implemented item identification method that includes identifying an item in an image received from a remote electronic device; transmitting search results containing information about the item for one or more vendors of the item; and transmitting to the remote device code for executing an order for the item from the one or more vendors of the item. | 12-29-2011 |
20120166293 | FACILITATING BIDDING ON IMAGES - Techniques are described for facilitating bidding on images. The techniques may include receiving bids includes presenting a first image and a bid associated with the first image. The first image is similar to a second image for which a bid is to be submitted for presenting sponsored content based on the second image. A bid is received for presenting a sponsored-content item based on the second image. The received bid is stored in association with second image and a sponsored-content item based to be presented based on the bid and the second image. | 06-28-2012 |
20140105463 | METHOD AND SYSTEM FOR MOTION DETECTION IN AN IMAGE - Embodiments for moving object detection in an image are disclosed. These include detecting a moving object in an input image by selecting video frames that are visually similar to the input image, generating a model motion image by estimating motion for each selected video frame, and detecting, using the model motion image, a moving object in the input image based on differences between the model motion image and the input image. | 04-17-2014 |
20150161147 | ASSOCIATING STILL IMAGES AND VIDEOS - Methods, systems, and apparatus, including computer programs encoded on computer storage media, for associating still images and videos. One method includes receiving a plurality of images and a plurality of videos and determining whether the images are related to the videos. The determining includes, for an image and a video, extracting features from the image and extracting features frames of the video, and comparing the features to determine whether the image is related to the video. The method further includes maintaining a data store storing data associating each image with each video determined to be related to the image. | 06-11-2015 |
20150161168 | ORDERING IMAGE SEARCH RESULTS - Methods, systems, and apparatus, including computer program products, for ranking images are disclosed. An image search subsystem generates an adjustment factor representative of a quality measure of an image relative to a search query. The quality represents a relevance of the image to the query. The adjustment factor can be computed based on relevance data for the image to the query and image similarity data representing a relative similarity between the image and other images relevant to the query. The relevance data can be based on user actions in response to the image being included in search results for the query. The adjustment factor can be scaled based on whether the relevance data and the image similarity data both indicate that the image is relevant to the search query. A relevance score is computed based on the adjustment factor (e.g., a product of the adjustment factor and relevance score). | 06-11-2015 |
20150178777 | Informational and Advertiser Links for Use in Web Mapping Services - Techniques for identifying groups of local features in an image and presenting advertisement information associated with stored images that match one or more features within the group of local features are described. The techniques include providing an image, identifying a region of interest in the image, providing a user-selectable link associated with the region of interest in the image, receiving a request for the region of interest in the image via the user-selectable link, and presenting advertisement information associated with a stored image that matches one or more features within the requested region of interest. | 06-25-2015 |
20150186501 | BOOK CONTENT ITEM SEARCH - Methods, systems, and apparatus, including computer program products are provided for ranking distinct book content items based on implicit links to other distinct book content items. The implicit links are defined based on the identification of matching features in the distinct book content items. In some implementations, the matching features are uncommon phrases in textual content of the distinct book content items. Edges representing implicit links are generated between distinct nodes representing distinct book content items in a weighted graph. Search results for distinct book content items can be ordered based on the edges connected to the distinct nodes in the weighted graph that represent the distinct book content items. | 07-02-2015 |
20150317759 | Presenting Career Paths Based On Observed Employment Information - In some implementations, a computer-implemented method is provided that includes accessing a database of career path data structures, each career path data structure including an initial node that represents an initial career position, a subsequent node that represents a subsequent career position, and a path element that represents a career transition between the initial career position and the subsequent career position and is associated with data regarding people that have made the career transition between the initial career position and the subsequent career position. The method includes receiving a career path query. The method includes identifying a set of the career path data structures based on the career path query. The method includes generating a set of career paths from the career path data structures, each career path including a directed graph that includes two or more nodes. The method includes providing a representation of the set of career paths. | 11-05-2015 |
20160055534 | Informational and Advertiser Links for Use in Web Mapping Services - Techniques for identifying groups of local features in an image and presenting advertisement information associated with stored images that match one or more features within the group of local features are described. The techniques include providing an image, identifying a region of interest in the image, providing a user-selectable link associated with the region of interest in the image, receiving a request for the region of interest in the image via the user-selectable link, and presenting advertisement information associated with a stored image that matches one or more features within the requested region of interest. | 02-25-2016 |
Patent application number | Description | Published |
20100128881 | Acoustic Voice Activity Detection (AVAD) for Electronic Systems - Acoustic Voice Activity Detection (AVAD) methods and systems are described. The AVAD methods and systems, including corresponding algorithms or programs, use microphones to generate virtual directional microphones which have very similar noise responses and very dissimilar speech responses. The ratio of the energies of the virtual microphones is then calculated over a given window size and the ratio can then be used with a variety of methods to generate a VAD signal. The virtual microphones can be constructed using either an adaptive or a fixed filter. | 05-27-2010 |
20100128894 | Acoustic Voice Activity Detection (AVAD) for Electronic Systems - Acoustic Voice Activity Detection (AVAD) methods and systems are described. The AVAD methods and systems, including corresponding algorithms or programs, use microphones to generate virtual directional microphones which have very similar noise responses and very dissimilar speech responses. The ratio of the energies of the virtual microphones is then calculated over a given window size and the ratio can then be used with a variety of methods to generate a VAD signal. The virtual microphones can be constructed using either an adaptive or a fixed filter. | 05-27-2010 |
20140126743 | ACOUSTIC VOICE ACTIVITY DETECTION (AVAD) FOR ELECTRONIC SYSTEMS - Acoustic Voice Activity Detection (AVAD) methods and systems are described. The AVAD methods and systems, including corresponding algorithms or programs, use microphones to generate virtual directional microphones which have very similar noise responses and very dissimilar speech responses. The ratio of the energies of the virtual microphones is then calculated over a given window size and the ratio can then be used with a variety of methods to generate a VAD signal. The virtual microphones can be constructed using either an adaptive or a fixed filter. | 05-08-2014 |
20140126744 | ACOUSTIC VOICE ACTIVITY DETECTION (AVAD) FOR ELECTRONIC SYSTEMS - Acoustic Voice Activity Detection (AVAD) methods and systems are described. The AVAD methods and systems, including corresponding algorithms or programs, use microphones to generate virtual directional microphones which have very similar noise responses and very dissimilar speech responses. The ratio of the energies of the virtual microphones is then calculated over a given window size and the ratio can then be used with a variety of methods to generate a VAD signal. The virtual microphones can be constructed using either an adaptive or a fixed filter. | 05-08-2014 |
20150288823 | WIRELESS CONFERENCE CALL TELEPHONE - A wireless conference call telephone system uses body-worn wired or wireless audio endpoints comprising microphones and, optionally, speakers. These audio-endpoints, which include headsets, pendants, and clip-on microphones to name a few, are used to capture the user's voice and the resulting data may be used to remove echo and environmental acoustic noise. Each audio-endpoint transmits its audio to the telephony gateway, where noise and echo suppression can take place if not already performed on the audio-endpoint, and where each audio-endpoint's output can be labeled, integrated with the output of other audio-endpoints, and transmitted over one or more telephony channels of a telephone network. The noise and echo suppression can also be done on the audio-endpoint. The labeling of each user's output can be used by the outside caller's phone to spatially locate each user in space, increasing intelligibility. | 10-08-2015 |
Patent application number | Description | Published |
20110026722 | Vibration Sensor and Acoustic Voice Activity Detection System (VADS) for use with Electronic Systems - A voice activity detector (VAD) combines the use of an acoustic VAD and a vibration sensor VAD as appropriate to the conditions a host device is operated. The VAD includes a first detector receiving a first signal and a second detector receiving a second signal. The VAD includes a first VAD component coupled to the first and second detectors. The first VAD component determines that the first signal corresponds to voiced speech when energy resulting from at least one operation on the first signal exceeds a first threshold. The VAD includes a second VAD component coupled to the second detector. The second VAD component determines that the second signal corresponds to voiced speech when a ratio of a second parameter corresponding to the second signal and a first parameter corresponding to the first signal exceeds a second threshold. | 02-03-2011 |
20120184337 | WIRELESS CONFERENCE CALL TELEPHONE - A wireless conference call telephone system uses body-worn wired or wireless audio endpoints comprising microphones and, optionally, speakers. These audio-endpoints, which include headsets, pendants, and clip-on microphones to name a few, are used to capture the user's voice and the resulting data may be used to remove echo and environmental acoustic noise. Each audio-endpoint transmits its audio to the telephony gateway, where noise and echo suppression can take place if not already performed on the audio-endpoint, and where each audio-endpoint's output can be labeled, integrated with the output of other audio-endpoints, and transmitted over one or more telephony channels of a telephone network. The noise and echo suppression can also be done on the audio-endpoint. The labeling of each user's output can be used by the outside caller's phone to spatially locate each user in space, increasing intelligibility. | 07-19-2012 |
20120209601 | Dynamic enhancement of audio (DAE) in headset systems - Various embodiments relate to signal processing and, more particularly, to processing of received speech signals to preserve and enhance speech intelligibility. In one embodiment, a communications apparatus includes a receiving path over which received speech signals traverse in an audio stream, and an dynamic audio enhancement device disposed in the receiving path. The dynamic audio enhancement (“DAE”) device is configured to modify an amount of volume and an amount of equalization of the audio stream. The DAE device can include a noise level estimator (“NLE”) configured to generate a signal representing a noise level estimate. The noise level estimator can include a non-stationary noise detector and a stationary noise detector. The noise level estimator can be configured to generate the signal representing a first noise level estimate based on detection of the non-stationary noise or a second noise level estimate based on detection of the stationary noise. | 08-16-2012 |
20120209603 | ACOUSTIC VOICE ACTIVITY DETECTION - Techniques for acoustic voice activity detection (AVAD) is described, including detecting a signal associated with a subband from a microphone, performing an operation on data associated with the signal, the operation generating a value associated with the subband, and determining whether the value distinguishes the signal from noise by using the value to determine a signal-to-noise ratio and comparing the value to a threshold. | 08-16-2012 |
20120288079 | WIRELESS CONFERENCE CALL TELEPHONE - A wireless conference call telephone system uses body-worn wired or wireless audio endpoints comprising microphone arrays and, optionally, speakers. These audio-endpoints, which include headsets, pendants, and clip-on microphones to name a few, are used to capture the user's voice and the resulting data may be used to remove echo and environmental acoustic noise. Each audio-endpoint transmits its audio to the telephony gateway, where noise and echo suppression can take place if not already performed on the audio-endpoint, and where each audio-endpoint's output can be labeled, integrated with the output of other audio-endpoints, and transmitted over one or more telephony channels of a telephone network. The noise and echo suppression can also be done on the audio-endpoint. The labeling of each user's output can be used by the outside caller's phone to spatially locate each user in space, increasing intelligibility. | 11-15-2012 |
20140188467 | VIBRATION SENSOR AND ACOUSTIC VOICE ACTIVITY DETECTION SYSTEMS (VADS) FOR USE WITH ELECTRONIC SYSTEMS - A voice activity detector (VAD) combines the use of an acoustic VAD and a vibration sensor VAD as appropriate to the conditions a host device is operated. The VAD includes a first detector receiving a first signal and a second detector receiving a second signal. The VAD includes a first VAD component coupled to the first and second detectors. The first VAD component determines that the first signal corresponds to voiced speech when energy resulting from at least one operation on the first signal exceeds a first threshold. The VAD includes a second VAD component coupled to the second detector. The second VAD component determines that the second signal corresponds to voiced speech when a ratio of a second parameter corresponding to the second signal and a first parameter corresponding to the first signal exceeds a second threshold. | 07-03-2014 |
20160005435 | AUTOMATIC GENERATION OF VIDEO AND DIRECTIONAL AUDIO FROM SPHERICAL CONTENT - A spherical content capture system captures spherical video and audio content. In one embodiment, captured metadata or video/audio processing is used to identify content relevant to a particular user based on time and location information. The platform can then generate an output video from one or more shared spherical content files relevant to the user. The output video may include a non-spherical reduced field of view such as those commonly associated with conventional camera systems. Particularly, relevant sub-frames having a reduced field of view may be extracted from each frame of spherical video to generate an output video that tracks a particular individual or object of interest. For each sub-frame, a corresponding portion of an audio track is generated that includes a directional audio signal having a directionality based on the selected sub-frame. | 01-07-2016 |