15th week of 2013 patent applcation highlights part 25 |
Patent application number | Title | Published |
20130089122 | METHOD FOR ADAPTIVELY DRIVING DATA TRANSMISSION AND COMMUNICATION DEVICE USING THE SAME - A method for adaptively driving data transmission and a communication device using the same are provided. The proposed method includes following procedures. Detection result is generated after detecting a receiving signal on a receiving path of the communication device. Driving parameter is generated according to the detection result. Finally, a transmitting signal on a transmitting path is adjusted according to the driving parameter. | 2013-04-11 |
20130089123 | COHERENT TRANSMISSION FROM DISTRIBUTED WIRELESS TRANSMITTERS - In one aspect, a distributed coherent transmission system enables transmissions from separate wireless transmitters with independent frequency or clock references to emulate a system where all the transmitters share a common frequency or clock reference. Differences in frequency and/or phase between transmitters are addressed by suitably precoding signals before modulation at one or more of the transmitters based on a synchronizing transmission from one of the transmitters (e.g., a master transmitter) received at a corresponding receiver sharing the frequency or clock reference with each of the one or more transmitters. Such a distributed coherent transmission system can allow N single-antenna transmitters with independent frequency or clock references to emulate a single N-antenna Multi Input Multi Output (MIMO) transmitter, or implement schemes such as distributed superposition coding or lattice codes that require coherence across separate transmitters. | 2013-04-11 |
20130089124 | ADAPTIVE TONE POWER CONTROL IN PLC NETWORKS - In a powerline communications (PLC) network having a first node and at least a second node on a PLC channel utilizing a band including a plurality of tones, based on at least one channel quality indicator (CQI), the first node allocates for a tone map response payload only a single (1) power control bit for each of a plurality of subbands having two or more tones. The power control bit indicates a first power state or a second power state. The first node transmits a frame including the tone map response payload to the second node. The second node transmits a frame having boosted signal power for the tones in the subbands which have the first power state compared to a lower signal power for the tones in the subbands which have the second power state. | 2013-04-11 |
20130089125 | CABLE MODEM DEVICE OF COAXIAL CABLE NETWORK USING USB INTERFACE, METHOD USING IT AND COAXIAL CABLE NETWORK SYSTEM - A cable modem device using a USB (universal serial bus) interface according to the embodiment includes a modem for converting network data received from a coaxial cable network through a coaxial cable, a USB interface converter for converting a format of the network data into a USB interface format to output the network data to an external device through the USB interface, and a power supply for supplying a power. The power supply receives the power from the external device through the USB interface and provides the power to the modem and the USB interface converter. | 2013-04-11 |
20130089126 | SATELLITE RECEIVER PERFORMANCE ENHANCEMENTS - Long time interleaver and listenable audio performance enhancements for a satellite receiver are presented. One enhancement includes comparing a correlation and a predetermined threshold value and blocking satellite signal data transmission from entry into long time interleaver (LTI) device circuitry and forward error correction (FEC) circuitry when the correlation value is the same as, or less than the predetermined threshold value. Another enhancement includes using Reed-Solomon codeword error checking to prevent erroneous baseband signal data from being accepted as good baseband signal data. A further enhancement includes storing symbol timing and frequency data during a strong signal condition of the satellite receiver and using this stored data when the satellite receiver encounters a weak signal condition. Another enhancement includes mitigating DC offset noise in a satellite receiver having a zero-IF tuner. | 2013-04-11 |
20130089127 | APPARATUS AND METHOD FOR ENVELOPE DETECTION - An apparatus and a method are described for envelope detection used in fields including voice processing, image processing, data communication, and energy/data transmission. The apparatus and the method for envelope detection eliminate a carrier component from a modulated signal by performing a square-sum operation between two adjacent sampling signals among signals sampled from the modulated signal. The apparatus and the method detect an envelope of the modulated signal from the modulated signal in which the carrier component is eliminated. | 2013-04-11 |
20130089128 | DIGITAL SUBSCRIBER LINE (DSL) ACCESS MULTIPLEXER WIRING VALIDATION - An example method involves electrically coupling first and second nodes of a device to a port of a digital subscriber line access multiplexer (DSLAM) and to a first end of a communication circuit. The communication circuit facilitates electrical coupling of the port of the DSLAM to a central office switch at a second end of the communication circuit. A signature circuit is electrically coupled between the first and second nodes to generate a signature signal in response to a test signal injected onto the communication circuit at a second end of the communication circuit. The signature signal has a magnitude substantially proportional to the test signal. First and second conductors of the communication circuit are electrically coupled to respective ones of the first and second nodes. Third and fourth conductors of the port of the DSLAM are electrically coupled to respective ones of the first and second nodes. | 2013-04-11 |
20130089129 | APPARATUS, METHODS, AND ARTICLES OF MANUFACTURE TO PREDICT VECTORED DIGITAL SUBSCRIBER LINE (DSL) PERFORMANCE GAINS - Apparatus, methods and articles of manufacture to predict vectored digital subscriber line (DSL) performance gains are disclosed. A disclosed example method includes determining a model coefficient of a noise-to-margin ratio (NMR) model from performance data measured for a DSL subscriber loop prior to provisioning of vectoring for the DSL subscriber loop, computing, using the model coefficient, a first NMR value with disturbers enabled and a second NMR value with disturbers disabled, and estimating an expected vectoring performance gain for the DSL subscriber loop based on the first and second NMR values. | 2013-04-11 |
20130089130 | Compact Dual Receiver Architecture for Point to Point Radio - A radio frequency receiver comprising a receiver module, an intermediate frequency (“IF”) module, a synthesizer module and a controller module. The receiver module receives a radio frequency signal and provides a baseband in-phase signal and a baseband quadrature signal, eliminates a sideband of the in-phase and quadrature signals to create a first and a second signal, downconverts the first and second signal to a first and a second IF signal, and selects one of the first or second IF signals. The IF module receives the first or second IF signal, performs analog-to-digital conversion on the first or second IF signal, and demodulates the digitally converted IF signal. The synthesizer module receives a programmable reference signal, downconverts the reference signal to an IF feedback signal, downconverts the reference signal to a baseband feedback signal, provides the IF feedback signal to the IF module, and provides the baseband feedback signal to the receiver module. The controller module samples the digitally converted IF signal and provides the programmable reference signal to the synthesizer module to thereby provide a demodulated output signal. | 2013-04-11 |
20130089131 | Wireless Transport Framework with Variable Equalizer Training - A system and method for wirelessly transmitting audiovisual information. Training information may be stored in a memory. A plurality of packets may be generated, including the training information. The plurality of packets may also include audiovisual information. The plurality of packets may include first information identifying a first training pattern of a plurality of possible training patterns. The first training pattern may specify one or more locations of the training information in the plurality of packets. The first information may be usable by a receiver to determine the first training pattern of the plurality of possible training patterns. The plurality of packets may be transmitted in a wireless manner. | 2013-04-11 |
20130089132 | RECEIVER AND METHOD FOR TWO-STAGE EQUALIZATION WITH SEQUENTIAL SEARCH - A receiver and method are described herein that address inter-symbol interference in a received signal by using a two-stage equalizer which includes a first demodulation stage that processes the received signal and produces initial symbol decisions, and a non-linear equalization second stage that uses the received signal to perform a sequential search in an attempt to improve upon the initial symbol decisions where if able to improve upon the initial symbol decisions then an output sequence is obtained from the sequential search and if not able to improve upon the sequence metric threshold then the output sequence is the initial symbol decisions. | 2013-04-11 |
20130089133 | Video Codes for Encoding/Decoding Streaming Data - System for conveying a stream of information. The system includes an encoding device employing a spatio-temporal coding scheme that omits light, including codes embedded therein that are invisible to a user. A receiver that might he a cell phone camera receives light from the encoding device and computer apparatus is programmed with software to decode the received light to generate the stream of information. The encoding device is preferably a video display. | 2013-04-11 |
20130089134 | EFFICIENT SIGNALING OF REFERENCE PICTURE SETS - A video coder can select which reference pictures should be signaled in a parameter set such as a picture parameter set (PPS) and which reference pictures should be signaled in a slice header such that when a video decoder constructs a reference picture set, the video decoder does not need to reorder the reference picture set to construct an initial reference picture list for a slice of video data. | 2013-04-11 |
20130089135 | ADAPTIVE FRAME SIZE SUPPORT IN ADVANCED VIDEO CODECS - Techniques are described related to receiving a first decoded frame of video data, wherein the first decoded frame is associated with a first resolution, determining whether a decoded picture buffer is available to store the first decoded frame based on the first resolution, and in the event the decoded picture buffer is available to store the first decoded frame, storing the first decoded frame in the decoded picture buffer, and determining whether the decoded picture buffer is available to store a second decoded frame of video data, wherein the second decoded frame is associated with a second resolution, based on the first resolution and the second resolution, wherein the first decoded frame is different than the second decoded frame. | 2013-04-11 |
20130089136 | Spatial Intra Prediction Estimation Based on Mode Suppression in Macroblocks of a Video Frame - A method includes determining whether spatial intra prediction of pixels of a macroblock of a video frame is to be performed at a macroblock level or a sub-macroblock level. The method also includes suppressing a horizontal mode or a vertical mode of spatial intra prediction of pixels of the macroblock at the macroblock level or the sub-macroblock level based on the determination when spatial intra prediction of pixels of the immediate previous macroblock is at the sub-macroblock level. When the spatial intra prediction of the pixels of the macroblock is at the macroblock level, the horizontal mode or the vertical mode is suppressed for the entire macroblock. When the spatial intra prediction of the pixels of the macroblock is at the sub-macroblock level, the horizontal mode or the vertical mode is suppressed for a corresponding first row or a first column of blocks of pixels of the macroblock. | 2013-04-11 |
20130089137 | RATE DISTORTION OPTIMIZATION IN IMAGE AND VIDEO ENCODING - An offline quantization module is used to optimize a rate-distortion task. The offline quantization module calculates a quantization kernel for a range of computable block parameters and a range of rate-distortion slope values representing the rate and complexity of a coded video. A quantization kernel is utilized by an encoder application for content-adaptive quantization of transformed coefficients. The quantization kernel includes a block data model, a quality metric model, and an entropy coding model. The quantization kernel is suitable for existing and future coding standards. A rate-distortion slope selection process is performed on a per-frame basis for improved rate-distortion performance. The slope is selected by referring to the block model parameter value within the quantization kernel. | 2013-04-11 |
20130089138 | CODING SYNTAX ELEMENTS USING VLC CODEWORDS - This disclosure describes techniques for coding transform coefficients for a block of video data. For example, according to one embodiment, a video encoder determines an lrg1Pos value associated with the transform coefficient based on the noTr1 value and a position k of the transform in the scan order of the block of video data based on using at least one table that defines an lrg1Pos value for more than one potential noTr1 value for the scan order of the block of video data. In one embodiment, the video decoder uses the determined lrg1Pos value associated with the transform coefficient to perform a structured mapping to determine a code number cn based on a determined value for the level_ID syntax element and a determined value for the run syntax element. | 2013-04-11 |
20130089139 | SYSTEMS AND METHODS FOR QUANTIZATION OF VIDEO CONTENT - Several methods, systems, and computer program products for quantization of video content are disclosed. In an embodiment, the method includes determining by a processing module, motion information associated with a block of video data of the video content. A degree of randomness associated with the block of video data is determined by the processing module based on the motion information. A value of a quantization parameter (QP) associated with the block of video data is modulated by a quantization module based on the determined degree of randomness. | 2013-04-11 |
20130089140 | METHODS AND SYSTEMS FOR ENCODING OF MULTIMEDIA PICTURES - Several methods and systems for encoding of multimedia pictures are disclosed. In an embodiment, an occupancy level of a coded picture buffer (CPB) associated with a hypothetical reference decoder (HRD) is estimated at an instant of removal of an access unit corresponding to a multimedia picture from the CPB for decoding the access unit. A number of bits for encoding the multimedia picture is allocated based on the estimated occupancy level of the CPB. The multimedia picture is encoded based on the allocated number of bits. | 2013-04-11 |
20130089141 | METHODS AND SYSTEMS FOR ENCODING PICTURES ASSOCIATED WITH VIDEO DATA - Several methods and systems for encoding pictures associated with video data are disclosed. In an embodiment, a method includes determining by a processing module, whether a picture is to be encoded based on at least one of a skip assessment associated with the picture and an encoding status of a pre-selected number of pictures preceding the picture in an encoding sequence. The method further includes encoding by the processing module, a plurality of rows of video data associated with the picture upon determining that the picture is to be encoded, wherein the plurality of rows are encoded based on a pre-selected maximum encoded picture size. | 2013-04-11 |
20130089142 | Bandwidth-Friendly Representation Switching in Adaptive Streaming - Plural representations of a video stream may be provided. The plural representations may comprise a first chunk, a second chunk, and a transition chunk. The first chunk may comprise a first bitrate and the second chunk may comprise a second bitrate. The first and second chunks may be in decode order starting with an instantaneous decoding refresh (IDR) frame. The transition chunk may be in decode order starting with a non-IDR frame. Next, a request to transition from the first chunk to the second chunk may be received. Then a transition from the first chunk to the transition chunk responsive to the request may occur and the transition chunk may then be provided to another device. | 2013-04-11 |
20130089143 | Method, System, and Apparatus for Intra-Prediction in a Video Signal Processing - According to an aspect of the present disclosure, a video encoder selects a block of intermediate size from a set of block sizes for intra-prediction estimation for encoding a video signal. A set of neighbouring blocks with the intermediate size are tested for combining. If the set of neighbouring blocks are determined to be combinable, the video encoder selects a larger block size formed by the tested neighbouring blocks for encoding. On the other hand, if the set of neighbouring blocks are determined to be not combinable, the video encoder selects a smaller block size from the set of tested neighbouring blocks for prediction. According to another aspect of the present disclosure, the best mode for intra-prediction is determined by first intra-predicting a block with intermediate modes in a set of modes. Then the intra-predictions are performed for the neighbouring modes of at least one intermediate mode. | 2013-04-11 |
20130089144 | METHODS AND APPARATUSES OF ENCODING/DECODING INTRA PREDICTION MODE USING CANDIDATE INTRA PREDICTION MODES - A method and an apparatus of encoding/decoding intra prediction mode using a plurality of candidate intra prediction modes are disclosed. A method of decoding an intra prediction mode can comprise deriving three candidate intra prediction modes about a current block and deriving an intra prediction mode of the current block. Therefore, by predicting an intra prediction mode of the current block based on a plurality of candidate intra prediction modes, video encoding efficiency can be improved. | 2013-04-11 |
20130089145 | MOST PROBABLE TRANSFORM FOR INTRA PREDICTION CODING - A video coder can be configured to determine an intra-prediction mode for a block of video data, identify a most probable transform based on the intra-prediction mode determined for the block of video data, and code an indication of whether the most probable transform is a transform used to encode the block of video data. The most probable transform can be a non-square transform. | 2013-04-11 |
20130089146 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - To efficiently use anchor information. When anchor information to be used in a decoding process of a target block to be decoded does not satisfy an identity condition with anchor information used for a previous block, anchor information of an anchor block corresponding to the target block to be decoded is acquired from an anchor information storage unit. When the identity condition is satisfied, the anchor information of the previous block is continuously used. A motion vector is calculated using the acquired anchor information or the anchor information to be continuously used. Motion compensation is performed based on the calculated motion vector, and prediction image data is generated. Further, decoded image data is generated using the prediction image data | 2013-04-11 |
20130089147 | Video Transfer System - A synchronization signal generator of a decoder adds a predetermined value to a time value, and outputs a synchronization signal when the added time value coincides with a reproducing time value in a frame. | 2013-04-11 |
20130089148 | DETERMINATION OF A FIELD REFERENCING PATTERN - Several methods and a system to perform determination of a field referencing pattern are disclosed. In one aspect, a method is disclosed. A motion vector of a previously coded frame is analyzed using a processor and a memory. A statistic is updated based on whether the motion vector includes one or more of a fractional pel vertical component, a half pel vertical component, and an integer pel vertical component. A field referencing pattern of a target field is determined based on the statistic and an exception protocol. | 2013-04-11 |
20130089149 | IMAGE DECODING APPARATUS, IMAGE DECODING METHOD, INTEGRATED CIRCUIT, AND PROGRAM - An image decoding device is provided that decodes, without an increase in the circuit size, a coded video sequence including a large-size block. The image decoding apparatus includes: a block division unit which divides a current block that is to be decoded and is included in a picture of the coded video sequence, into sub-blocks; an image obtainment unit which obtains, for each of the sub-blocks, image data corresponding to the sub-block from a recording medium; a prediction unit which generates, for each of the sub-blocks, a predicted image of the sub-block, based on the image data obtained by the image obtainment unit; and a reconstruction unit which reconstructs each of the sub-blocks, by adding the predicted image generated for the sub-block to the sub-block. | 2013-04-11 |
20130089150 | VISUAL QUALITY MEASURE FOR REAL-TIME VIDEO PROCESSING - A measure of visual quality of processed images relative to unprocessed images is generated in real-time. The measure of visual quality closely correlates with a human's actual perception of the processed image relative to the original image. The measure of visual quality is computed based on a measure of discrepancy (e.g., mean square errors) between the processed and unprocessed images and the variance of each image in the pixel domain or the transform domain may be determined. If the processed image is unavailable, a prediction of the processed image may be used in place of the processed image. The prediction of a processed image may involve predicting the variance values for processed image blocks. The visual quality measure may be used in a feedback loop to improve processing or encoding. | 2013-04-11 |
20130089151 | LEARNED TRANSFORM AND COMPRESSIVE SENSING FOR VIDEO CODING - Methods and apparatus are provided for video encoding and decoding with learned transform and compressive sensing. An apparatus includes a video encoder for encoding an image block in a picture by determining from a training data set an adaptive transform for transforming a signal capable of representing the image block into zero coefficients and non-zero coefficients, reconstructing the image block in a pixel domain to obtain a reconstructed version of the image block by minimizing a number of the non-zero coefficients in a transform domain corresponding to the transform responsive to information of the signal and a prediction of the image block, and incorporating the reconstructed version of the image block into a coding mode that is absent from any video coding standards and video coding recommendations. | 2013-04-11 |
20130089152 | SIGNALING PICTURE IDENTIFICATION FOR VIDEO CODING - In one example, a video coder, such as a video encoder or video decoder, is configured to determine a number of least significant bits of picture identifying information for a picture of video data, determine a value of the picture identifying information for the picture, and code information indicative of the determined number of least significant bits of the value of the picture identifying information for the picture. | 2013-04-11 |
20130089153 | IMAGE COMPRESSION METHOD, AND ASSOCIATED MEDIA DATA FILE AND DECOMPRESSION METHOD - An image compression and decompression method is provided. The method includes steps of: dividing an original frame into a first portion and a second portion, scaling down the second porting to generate a shrunk portion, and recomposing the first portion and the shrunk portion to generate a recomposition frame and auxiliary information. The recomposition frame has a same size as that of the original frame. The recomposition frame is then encoded into frame data which is combined with the auxiliary information to generate a compressed data file. | 2013-04-11 |
20130089154 | ADAPTIVE FRAME SIZE SUPPORT IN ADVANCED VIDEO CODECS - Techniques are described related to receiving first and second sub-sequences of video, wherein the first sub-sequence includes one or more frames each having a first resolution, and the second sub-sequence includes one or more frames each having a second resolution, receiving a first sequence parameter set and a second sequence parameter set for the coded video sequence, wherein the first sequence parameter set indicates the first resolution of the one or more frames of the first sub-sequence, and the second sequence parameter set indicates the second resolution of the one or more frames of the second sub-sequence, and wherein the first sequence parameter set is different than the second sequence parameter set, and using the first sequence parameter set and the second sequence parameter set to decode the coded video sequence. | 2013-04-11 |
20130089155 | IMAGE SIGNAL DECODING APPARATUS AND IMAGE SIGNAL DECODING METHOD - A decoding method decodes a base stream generated by encoding a first image signal of a first view and a dependent stream generated by encoding a second image signal of a second view. The method includes detecting, on the basis of a dependent delimiter indicating a picture boundary between pictures in the dependent stream, the picture boundary in the dependent stream configured by inserting the dependent delimiter at the beginning of a picture in the dependent stream. Further, the method includes decoding the base stream and the dependent stream on the basis of the detected picture boundary in the dependent stream. | 2013-04-11 |
20130089156 | RECEIVER AND METHOD AT THE RECEIVER FOR ENABLING CHANNEL CHANGE WITH A SINGLE DECODER - The invention concerns a receiver, and a method for channel switching at the receiver, the method comprising the steps of switching to a channel transporting a program encoded into Groups of Pictures, receiving the program into a first stream and a second stream, the first stream being encoded with successive first Group of Pictures, first GoP, the second stream being encoded with successive second Group of Pictures, second GoP, each one of the second GoP corresponding to a first GoP and being a subset of the first GoP, each GoP starting with an Intra-frame picture, selecting, between the first stream and the second stream, the picture that is decoded, and displaying the picture. | 2013-04-11 |
20130089157 | METHOD OF ASSIGNING IDENTIFICATION CODES TO DEVICES IN A NETWORK - A method of assigning identification codes to devices, each device including a controller, a memory, and a switch, with the devices connected in a series circuit. The method includes opening all of the switches, supplying a signal, including an identification code, to the first device of the series circuit and storing the identification code in the memory of the first device, closing the switch of the first device to connect to the next device in the series circuit, sending an acknowledgement to the series circuit, and repeating the process for each of the devices, successively, for each of the devices in the series circuit, and assigning a different identification code to each of the devices. | 2013-04-11 |
20130089158 | METHOD AND DEVICE FOR OBTAINING PRECODING MATRIX - The present invention provides a method and device for obtaining precoding matrix. A network apparatus comprises a plurality of groups of cross-polarized linear array antennas. The method comprises: obtaining first channel indicating information indicating a first code word; obtaining second channel indicating information indicating a second code word; determining the precoding matrix, according to the first channel indicating information and the second channel indicating information, the first code word and/or the second code word comprises phase shifts and/or amplitude differences among the plurality of groups of cross-polarized linear array antennas. Since the first code word and the second code word for determining the precoding matrix by the network apparatus comprise phase shifts and amplitude differences among cross-polarized linear array antennas, the phase shifts and amplitude differences among cross-polarized linear array antennas are considered when the network apparatus sends downlink data according to the precoding matrix, so as to be able to improve the receiving quality of the sent data, thereby improving the system performance effectively. | 2013-04-11 |
20130089159 | PRECODING TECHNIQUES FOR DOWNLINK COORDINATED MULTIPOINT TRANSMISSION IN RADIO COMMUNICATIONS SYSTEM - A precoding vector of coordinated multipoint transmission (CoMP) for at least one user equipment is decided by receiving the channel state information for CoMP from the user equipment, wherein the channel state information includes inter-cell correlation property between a serving cell serving the user equipment and a cooperating cell for CoMP; and deciding the precoding vector of CoMP based on the channel state information. | 2013-04-11 |
20130089160 | SERIAL PORT CONNECTION CIRCUIT AND SERVER - A server includes a baseboard management controller (BMC), an input/output (I/O) chip, a serial port, and a serial port connection circuit. The serial port connection circuit is connected to the BMC, the I/O chip, and the serial port, and selectively connects either the BMC or the I/O chip to the serial port. | 2013-04-11 |
20130089161 | Low-Power Modulation in an Amplifier - A switching audio amplifier may include a modulation enhancement feature, in which the pulse-width modulated (PWM) signals driving the output stage are reduced or increased by identical step sizes to create an auxiliary PWM scheme representative of an idle (low-power) state of the input signal. The PWM signals, provided to a full-bridge power stage circuit for example, may be thereby reduced to another state to reduce power dissipation in a switch-mode power supply. By incrementally adjusting the PWM duty-cycle identically in all PWM signals to a value less than (or up to) 50%, the amount of current dissipated in the output load may be effectively controlled. The PWM pulses may be adjusted up or down, while checking for saturation corresponding to both minimum and maximum pulse-widths. A dampener circuit may be used to set the time between incremental adjustments, to further reduce audible pops and clicks. | 2013-04-11 |
20130089162 | LOW COMPLEXITY MAXIMUM LIKELIHOOD DETECTION OF CONCATENATED SPACE CODES FOR WIRELESS APPLICATIONS - Good transmission characteristics are achieved in the presence of fading with a transmitter that employs a trellis coder followed by a block coder. Correspondingly, the receiver comprises a Viterbi decoder followed by a block decoder. Advantageously, the block coder and decoder employ time-space diversity coding which, illustratively, employs two transmitter antennas and one receiver antenna. | 2013-04-11 |
20130089163 | DEVICE AND METHOD FOR GENERATING PILOT SEQUENCE - A device for generating a pilot sequence is provided. The device includes: a mapping information determining unit configured to determine periodic mapping information of the pilot sequence on subcarriers; and a pilot sequence generating unit configured to generate the pilot sequence by calculating phase information of the pilot sequence to be generated based on the periodic mapping information. A method and a device for estimating channel information are also provided. | 2013-04-11 |
20130089164 | PRE-CODING METHOD AND TRANSMITTER - Disclosed is a transmission scheme for transmitting a first modulated signal and a second modulated signal over the same frequency at the same time. According to the transmission scheme, a precoding weight multiplying unit multiplies a baseband signal after a first mapping and a baseband signal after a second mapping by a precoding weight and outputs the first modulated signal and the second modulated signal. In the precoding weight multiplying unit, precoding weights are regularly hopped. | 2013-04-11 |
20130089165 | METHOD OF DETERMINING PRECODING MATRIX AND CORRESPONDING COMMUNICATION METHODS AND DEVICES - In order to improve the performance of the precoding scheme for closely-spaced cross-polarized CLA antennas, the invention proposes a new precoding codebook and precoding matrix. The invention also proposes a method for determining precoding matrix based on the new precoding codebook, and corresponding method and device for communicating by using this precoding matrix. The precoding codebook and matrix proposed in the invention has better performance. | 2013-04-11 |
20130089166 | DIGITAL BROADCAST RECORDING AND REPRODUCING APPARATUS AND DIGITAL BROADCAST RECORDING AND REPRODUCING METHOD - According to one embodiment, a digital broadcast recording and reproducing apparatus includes: a receiver configured to receive broadcasting data that contains broadcasting content and address information indicating a source of reproduction control information related to reproduction control of the broadcasting content; a storage configured to store therein the broadcasting data received by the receiver; an acquisition module configured to acquire the reproduction control information from the source indicated by the address information when the broadcasting content in the broadcasting data stored in the storage is reproduced; and a reproducer configured to reproduce the broadcasting content in accordance with the reproduction control information acquired by the acquisition module. | 2013-04-11 |
20130089167 | TERMINAL COMPRISING MULTI-ANTENNAS AND METHOD OF PROCESSING RECEIVED FREQUENCY - A wireless communication terminal according to the embodiment includes a communication module including a circuit board having a plurality of pins; a shield case antenna overlapping with one side of the circuit board, electrically connected to a part of the pins and including a signal receiving unit; and a signal processing unit for processing the received signals. An antenna matching unit for matching impedance between the signal processing unit and an antenna unit, a phase shifter for controlling a phase of the received signal and an amplitude regulator for adjusting amplitude of the received signal are provided between the signal processing unit and the antenna unit. | 2013-04-11 |
20130089168 | RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD - It is possible to improve the CQI reception performance even when a delay is caused in a propagation path, a transmission timing error is caused, or a residual interference is generated between cyclic shift amounts of different ZC sequences. For the second symbol and the sixth symbol of the ACK/NACK signal which are multiplexed by RS of CQI, (+, +) or (−, −) is applied to a partial sequence of the Walsh sequence. For RS of CQI transmitted from a mobile station, + is added as an RS phase of the second symbol and − is added as an RS phase of the sixth symbol. A base station ( | 2013-04-11 |
20130089169 | Low-Power and Low-Cost Adaptive Self-Linearization System with Fast Convergence - A signal processing method includes inputting a digital signal, providing a plurality of coefficients; and determining an output. The output is approximately equal to an aggregate of a plurality of linear reference components, and each of the linear reference components is approximately equal to an aggregate of a corresponding set of digital signal samples that is scaled by the plurality of coefficients. | 2013-04-11 |
20130089170 | Egress Clock Domain Synchronization to Multiple Ingress Clocks - Synchronization techniques for multiple clock domains from two or more clients or common pluggable interfaces connected to multiple interfaces on one or more ingress line cards to multiple interfaces on one or more egress line cards are provided. The plurality of clock domain information from the clients that are connected on the ingress side is transmitted to the egress line cards. Two or more egress interfaces generate different clocks that are synchronized to the multiple clock domains. | 2013-04-11 |
20130089171 | Compact Fusion Reactor - A compact nuclear fusion reactor for use as a neutron source is described. The reactor comprises a toroidal plasma chamber ( | 2013-04-11 |
20130089173 | SECURING DEVICE FOR A CONTROL ROD IN A NUCLEAR FACILITY - A securing device for a control rod in a nuclear facility contains a control rod drive and a drive housing enclosing the control rod drive and configured to pass through a reactor pressure wall. The securing device further has a reactor pressure wall connection piece arranged inwardly of the reactor pressure wall and connected to the reactor pressure wall. A device of this type is to be producible as cost-effectively as possible, is to perform its intended tasks reliably and is to be maintenance-free during operation. Accordingly, a number of connection elements are provided for this purpose between the reactor pressure wall connection piece and the drive housing. A respective connection element forms a form-locking connection to the drive housing and a form-locking connection to the reactor pressure wall connection piece. | 2013-04-11 |
20130089174 | PRESSURE-TUBE REACTOR WITH COOLANT PRENUM - A pressure-tube nuclear reactor can include an outer shell having an interior to contain a moderator at a first pressure and a coolant plenum to receive the coolant fluid at a second pressure, the second pressure being greater than the first pressure. The reactor also includes a plurality of pressure tubes. Each pressure tube is received within and extends through a corresponding shell tube and is configured to releasably retain at least one fuel bundle. A first end of each pressure tube being coupled to the plenum tubesheet in fluid communication with the plenum chamber and a second end of each pressure tube fluidly connected to a coolant conduit to enable the coolant fluid to flow between the coolant plenum and each pressure tube and to flow from the nuclear reactor for further processing. | 2013-04-11 |
20130089175 | ARITHMETIC COUNTER CIRCUIT, CONFIGURATION AND APPLICATION FOR HIGH PERFORMANCE CMOS IMAGE SENSORS - An arithmetic counter circuit for high performance CMOS image sensors includes a plurality of flip-flops of a plurality of counter stages and a plurality of multiplexers of the plurality of counter stages being coupled to the plurality of flip-flops. Each of the plurality of multiplexers coupled to receive control signals including at least one of a toggle signal, a keep signal, a shift enable signal, or a mode signal. The control signals select the output of each of the plurality of multiplexers. Each of the plurality of flip-flops is coupled to be in one of a toggle state, a keep state, a reset state or a set state based on inputs received from the plurality of multiplexers. Other embodiments are described. | 2013-04-11 |
20130089176 | X-RAY CT APPARATUS - According to one embodiment, an X-ray CT apparatus includes a body thickness information acquiring unit, a threshold determining unit and an image generating unit. The body thickness information acquiring unit acquires information of a body thickness of an object. The threshold determining unit determines a threshold of an exposure dose according to the body thickness of the object. The image generating unit generates an image indicating a relationship between the body thickness of the object and the threshold and displays a generated image on a display unit. | 2013-04-11 |
20130089177 | DEVICE FOR THE ACQUISITION OF PANORAMIC RADIOGRAPHIES AND CBCT VOLUMETRIC RADIOGRAPHIES - An extraoral dental radiographic apparatus which performs panoramic radiographies, cone beam volumetric radiographies of the facial skeleton and cranial teleradiographies. An alternating mechanism brings x-ray sensors toward the x-ray radiation source, such that the sensor axes intersect at an angle. | 2013-04-11 |
20130089178 | X-ray inspection of bumps on a semiconductor substrate - A method for inspection includes irradiating, with a focused beam, a feature formed on a semiconductor wafer, the feature including a volume containing a first material and a cap made of a second material, different from the first material, that is formed over the volume. One or more detectors positioned at different angles relative to the feature are used to detect X-ray fluorescent photons that are emitted by the first material in response to the irradiating beam and pass through the cap before striking the detectors. Signals output by the one or more detectors at the different angles in response to the detected photons are processed in order to assess a quality of the cap. | 2013-04-11 |
20130089179 | Equine Foot Imaging Platform and Method - An imaging platform assembly is used to support a hoofed animal, especially horses, during a foot imaging process. The platform assembly includes a platform and flush mounted turntables that allow the animal's feet to rotate under the animal's power, thereby allowing the animal to assume a more natural stance. By allowing this rotation, the animal less likely to cause trouble during the imaging process. One or more of the turntables include a slot that is configured to support an image capturing device, such as an x-ray cartridge. One to all of the animal's feet may be on turntables, depending on the platform configuration. | 2013-04-11 |
20130089180 | METHOD AND APPARATUS FOR PRODUCING AN X-RAY PROJECTION IMAGE IN A DESIRED DIRECTION - A method for producing an X-ray projection image of a body region of a patient using a desired spatial location of a central ray, includes positioning a pointing element relative to the patient indicating a location of a pointing line and causing the location of the pointing line to coincide with the desired central ray location. A pointing line location and a central ray location currently set on an X-ray machine are recorded. A measure for deviation between the pointing line and the currently set central ray location is determined and used to set the desired central ray location. A medical apparatus includes an X-ray machine taking an X-ray projection image along a central ray, a pointing element indicating a pointing line, an acquisition unit detecting the pointing line location and the currently set central ray location, and a control and evaluation unit implementing software carrying out the method. | 2013-04-11 |
20130089181 | SUPPRESSING TIN WHISKER GROWTH IN LEAD-FREE SOLDERS AND PLATNGS - A process of irradiation Sn containing Pb-free solder to mitigate whisker formation and growth thereon is provided. The use of gamma radiation such as cobalt- | 2013-04-11 |
20130089182 | Evaluation System and Evaluation Method of Plastic Strain - An evaluation system for plastic strain includes an X-ray diffraction device for irradiating the surface of a measurement object; and an image analyzing device that generates diffraction intensity curves from X-ray diffraction angle and intensity with an implanted database, which can be obtained in advance from test specimens made of the same material of the measurement object, establishing at least one of the relations between the full width at half maximum of the diffraction intensity curve and plastic strain, and between the integral intensity angular breadth of diffraction intensity curve and plastic strain. The image analyzing device obtains plastic strain of the measurement object based on at least one of the diffraction parameters of the full width at half maximum and the integral intensity angular breadth of a diffraction intensity curve corresponding to the implanted database indicative of the relation between the diffraction parameter and plastic strain. | 2013-04-11 |
20130089183 | GUIDED IMAGING SYSTEM - Apparatus for wirelessly controlling a guided imaging system based upon the relative motion of the user. The system includes a power supply, a memory, an x-ray source, an image intensifier and a wireless transceiver coupled to the image intensifier. A separate wireless input device comprising a wireless transmitter for communicating with the wireless transceiver of the imaging system may comprise one or more sensors capable of detecting force and directional movement. This detection of movement may then be transmitted to the imaging system and translated into position signals that may direct movement and position of the image intensifier (I-I) as part of the imaging system. | 2013-04-11 |
20130089184 | RADIATION WINDOW WITH GOOD STRENGTH PROPERTIES, AND METHOD FOR ITS MANUFACTURING - A radiation window foil for an X-ray radiation window comprises a mesh that defines a number of openings ( | 2013-04-11 |
20130089185 | DENTAL X-RAY RECEPTOR POSITIONING DEVICE - A dental X-ray positioning device includes a bite block for gripping receptor. The bit block may be adjusted to accept receptors of various dimensions. The bite block provides the clinician with greater freedom to accurately position the receptor relative to the X-ray source without having to utilize many different devices. The system thereby improves efficiency during X-ray exams and it also guarantees parallel placement of the receptor relative to the X-ray source and to the dentition being examined. The system also incorporates two soft “jaws” that during use prevent the receptor from drooping or failing to remain in parallel position relative to the bite block, the X-ray source, and/or the dentition. | 2013-04-11 |
20130089186 | X-RAY CALIBRATION DEVICE - An x-ray calibration device includes a core including a first material with a first x-ray attenuation coefficient. The core defines a cavity that is configured to receive a plug of a different x-ray attenuation coefficient in order to alter the x-ray attenuation coefficient of the x-ray calibration device. The x-ray calibration device also includes an outer layer at least partially surrounding the core. The outer layer includes a second material with a second x-ray attenuation coefficient, where the second x-ray attenuation coefficient is lower than the first x-ray attenuation coefficient. | 2013-04-11 |
20130089187 | DEVICE, SOFTWARE MODULE OR SYSTEM FOR GLOBAL REAL-TIME TELECOMMUNICATION - A telecommunication device for real-time communication at a border between a global transport network and a local area network may allow traffic using real-time communication protocols to traverse a firewall, classified real-time traffic over best effort traffic for prioritization over the global transport network, measure and collection information about an application, its usage and prioritization used over the global transport network, create call detail records that can be used by a service provider for billing purposes; and deliver the call detail records to the service provider. | 2013-04-11 |
20130089188 | System and Method for Providing Multi-Provider Telecommunications Services Over a Passive Optical Network - A method for providing access to a passive optical network for services to homes or businesses from two or more telecommunications service providers and a billing means is described. A first service provider connects to a point of presence at one side of passive optical network. The provider transmits the appropriate services through this network to an authorization receiver. The authorization receiver is used to receive a periodic authorization code from the network provider to enable the appropriate services from the service provider to be transmitted to a subscriber at a home or business. The authorization receiver enables an optical fiber path to be established for the services to flow to and from the home or business. The authorization code that is transmitted through the network also provides an unambiguous means to provide a billing record such that the service provider can be billed by the network provider on an individual service address connected basis in conjunction with a record of houses passed and not yet connected. | 2013-04-11 |
20130089189 | Systems And Methods For Intelligent Call Transcription - Intelligent call transcript systems and methods are disclosed. An intelligent call transcript system can create a transcript of a telephonic communication and supplement the transcript with additional information automatically or upon request. Additional information may be added when key words are detected, such as adding acronym expansion when an acronym is detected or adding identifying information to an important task when mention of the task is detected. Portions of the transcript may also be sent as messages, text-based or audio, upon detection of key words or at the instruction of a user or device. | 2013-04-11 |
20130089190 | CALLER ID MEMO SYSTEM - A system and method of saving and delivering a voice memo or text memo to identify incoming calls is provided. A user of the system of the invention is given the option of recording a memo on the calls he or she has received through a prompt on a telecommunication device. The user can choose to record a voice memo or text memo after each call. The memos are saved in connection with caller id information pertaining to the number from which the call was placed. When a user of the system receives a call from a number that has a memo saved in relation thereto, the user will be prompted to hear, and may listen to, the voice memo before answering the call. If the memo is in text form, the user can configure the system to provide various processing options. In one processing option, a text to speech audio presentation of the text of the memo is made available to permit the message to be heard over a telephone or networked audio capable PDA device. In other processing options, the user has the text of the message sent to the user's PC or emailed or sent by instant message to the user's PDA device. | 2013-04-11 |
20130089191 | METHODS, SYSTEMS, AND DEVICES FOR PROVIDING VOICE-CALL SERVICES RESPONSIVE TO A DIALED SEQUENCE - A connection is established in a communications network responsive to receiving a Dual Tone Multi-Frequency (DTMF) signal at a port having an assigned sequence associated therewith. A dialed sequence corresponding to the received DTMF signal is identified. If the dialed sequence is associated with a request for a specified service, first and second fields of a packet-switched signaling protocol message are populated with the assigned sequence associated with the port. The populated packet-switched signaling protocol message is transmitted over a packet-switched network to request the specified service, and a connection is established to provide the specified service through the port. Related systems and devices are also discussed. | 2013-04-11 |
20130089192 | SYSTEM FOR EFFECTING A TELEPHONE CALL OVER A COMPUTER NETWORK WITHOUT ALPHANUMERIC KEYPAD OPERATION - A system for effecting a telephone call between telephonic devices is operative to use a computer network, without manual use of the alphanumeric keypads. A third party call control (3PCC) application program interface (API) provides the capability for users to use a web browser or other Internet capable software to place a call, rather than using the telephone keypad. A third party call control application program interface includes a uniform resource locator operable over the Internet to cause a call between a first telephonic device and a second telephonic device to be completed. The uniform resource locator includes identification of the first telephonic device and identification of the second telephonic device. | 2013-04-11 |
20130089193 | SYSTEM, METHOD, AND COMPUTER-READABLE STORAGE MEDIUM FOR TELECOM BILLING OUTSOURCING - A system, method, and computer-readable storage medium for outsourcing telecom billing are disclosed for issuing one or more first billing statements and one or more second billing statements from a first telecom network; and transmitting at least the one or more first billing statements to a second telecom network. The one or more first billing statements may reflect one or more charges from the first telecom network to the second telecom network, and the one or more second billing statements may reflect one or more charges from the second telecom network to one or more customers thereof. The one or more charges of the first and second billing statements may reflect the same service(s). | 2013-04-11 |
20130089194 | MULTI-CHANNEL TELEPHONY - Techniques for providing multi-channel telephony are described herein. In different aspects, a multi-channel telephony apparatus may include a sound interface configured to process a multi-channel sound signal including at least one of causing speakers to emit multi-channel sound or receiving multi-channel sound from microphones and a network interface configured to transmit the multi-channel sound signal from the sound interface to one or more communication lines of a telephone network. In some aspects, a dialer may be configured with the network interface to establish a connection with the telephone network. | 2013-04-11 |
20130089195 | NEXT GENERATION AUTO-DIALER - Systems, methods, and a computer-readable storage media for placing a plurality of calls with a common message to a plurality of subscribers are provided. The systems, methods, and a computer-readable storage media include receiving an instruction to place the plurality of calls with the common message to the plurality of subscribers. The instruction includes call information that identifies the plurality of subscribers. One of the plurality of auto-dialers for placing each of the plurality of calls based on the call information is determined, and an instruction is transmitted to each of the plurality of auto-dialers based on results of the determination. The plurality of auto-dialers places the plurality of calls to the plurality of subscribers based on the instruction transmitted to each of the plurality of auto-dialers | 2013-04-11 |
20130089196 | METHOD AND APPARATUS FOR SELECTING A COMMUNICATION NETWORK - A method, apparatus, and computer usable program product for selecting a network for telecommunication are provided. A type of network supporting a called identifier is identified. Several types of networks are accessible to a calling communication device. A database is queried with a query including the called identifier to identify the types of networks that are accessible to a called communication device. A network corresponding to the called communication device is selected at the calling communication device. A communication session is established between the calling and called communication devices using the selected network. | 2013-04-11 |
20130089197 | METHOD AND SYSTEM FOR CALL TO ROLE - Methods and systems are provided for routing incoming customer service requests directly to the most appropriate destination within a call center without requiring customer knowledge of a specific telephone number or extension to call and without requiring the customer to select from a series of menus. The receiving location or inbound call center accepts a voice call from a customer. The incoming voice call includes an associated data stream. This data stream is processed by the inbound call center and is used to route the call to the appropriate destination or customer service representative, for example a specific person, a department, a subsidiary, an individual either working within a facility or working outside the facility, a subcontractor and combinations thereof. Additional functionality is provided by including additional data, e.g. data in addition to routing data, along with voice data. | 2013-04-11 |
20130089198 | Intelligent Interactive Call Handling - An intelligent interactive call handling system is provided that typically includes a central office, a call-handling device, and an internet call routing system. The central office typically triggers a query responsive to receiving a call request. The call-handling device is coupled to the central office, receives the query, and triggers an internet call routing query. The internet call routing system, which is coupled to the call-handling device, typically receives the internet call routing query, determines presence of the called party with respect to at least one registered communication device, sends a prompt to the called party at said at least one registered communication device responsive to the presence determination, receives a reply from said at least one registered communication device, and routes the call responsive to the reply. Methods and other systems are also provided. | 2013-04-11 |
20130089199 | Communication System in a Package Formed on a Metal Microstructure - An apparatus includes a metal frame, a switching power circuit, and at least one semiconductor die implementing a communication interface. The metal frame includes a plurality of external pads, and a plurality of base pads coupled to selected external pads. The switching power circuit is mounted to selected base pads and includes an input terminal, an output terminal, an energy storage device mounted to a first subset of the base pads and coupled to the output terminal, and a switching element mounted to a second subset of the base pads and coupled to the input terminal and the energy storage element. The at least one semiconductor die provides a control signal to the switching device to control an output voltage present at the output terminal. | 2013-04-11 |
20130089200 | SECURE DATA TRANSFER ON A HANDHELD COMMUNICATIONS DEVICE - A handheld communications device for transmitting an encryption key is provided. The device comprises a display device, and a data processor. The data processor of the handheld communications device is in communication with the display device. The data processor is configured to generate an encryption key, and to vary a visual output of the display device over time in accordance with a bit sequence of the encryption key. The varying visual output comprises a sequence of colours and/or brightness levels output by the display device. | 2013-04-11 |
20130089201 | AUTHENTICATION DEVICE, AUTHENTICATION METHOD, AND PROGRAM - Provided is an authentication device including a key holding unit for holding L (L≧2) secret keys s | 2013-04-11 |
20130089202 | IDENTIFICATION AND HANDLING OF DATA STREAMS USING CODED PREAMBLES - Embodiments of the invention are generally directed to identification and handling of data streams using coded preambles. An embodiment of an apparatus includes an interface with a communication channel, transmitter coupled with the interface to transmit one or more data streams via the interface, and a processing element, the processing element to receive one or more data streams for transmission. Upon receiving multiple data streams for transmission of a first type of data, including a first data stream and a second data stream for transmission of the first type of data, the processing element is to select a first preamble for the first data stream and a second preamble for the second data stream, where the first preamble is distinguishable from the second preamble. | 2013-04-11 |
20130089203 | Content Consumption Frustration - A device including a receiver to receive a media stream including media content for a plurality of services, the content packed into packets each having a header and payload including a part of the content of one of the services, a mapping table(s) directly or indirectly mapping, the services to packet-IDs such that each service is mapped to one packet-ID, thereby enabling the packets including the content of a service to be identified via the packet-ID identifying that service, encrypted packet-IDs such that each packet includes its encrypted packet-ID in its header, and a packet filter to derive the packet-ID of that service from the mapping table(s), calculate the encrypted packet-ID from the derived packet-ID, and filter, from the media stream, the packets with the header including the calculated encrypted packet-ID yielding the packets including the part of the content of that service. Related apparatus and methods are also described. | 2013-04-11 |
20130089204 | QUANTUM ENCRYPTED DATA TRANSMISSION IN OPTICALLY-AMPLIFIED WDM COMMUNICATIONS - A quantum cryptographic protocol is proposed, which uses two-mode coherent states and an M-ary modulation format determined in part by an expanded secret key. The encrypted signal is optically amplifiable, resulting in a polarization independent system that is compatible with the existing WDM communications infrastructure. | 2013-04-11 |
20130089205 | Token Provisioning Method - The present invention discloses a token provisioning method for a token provisioning system. The token provisioning method includes steps of generating at least one encryption key at a customer side; generating a plurality of seed numbers corresponding to a plurality of electronic serial numbers (ESNs) at the customer side, respectively; encrypting the plurality of seed numbers and the plurality of corresponding ESNs with the at least one encryption key at the customer side; decrypting the plurality of seed numbers and the plurality of corresponding ESNs with the at least one encryption key; and programming a plurality of tokens with the plurality of seed numbers and the plurality of corresponding ESNs. | 2013-04-11 |
20130089206 | METHOD AND APPARATUS FOR DISTRIBUTING A QUANTUM KEY - A method for distributing a quantum key is provided, including sending a first photon to a first receiver; sending a second photon to a second receiver, the first and second photons being a pair of time-energy entangled photons; and providing a coding scheme comprising a plurality of time bins and a plurality of frequency bins, wherein a combination of a time bin and a frequency bin corresponds to a character. | 2013-04-11 |
20130089207 | ANCHOR POINT FOR DIGITAL CONTENT PROTECTION - Digital rights management (DRM) can be implemented through use of an anchor point based digital rights management system. In one embodiment, a device may comprise an anchor point circuit including a memory and a processor. The processor may be configured to receive a title key from a digital content provider, the title key used to encrypt a digital property to produce an encrypted digital property. The processor may be further configured to generate a binding key, encrypt the title key with the binding key to produce a title pre-key, and store the binding key in the memory. In another embodiment a system may comprise an interface configured to communicate with a content provider, and an anchor point circuit configured to bind a digital property received from the content provider to the anchor point circuit such that the digital property can only be used in conjunction with the anchor point circuit. | 2013-04-11 |
20130089208 | SYSTEMS AND METHODS FOR ENHANCING AUDIO CONTENT - Systems and methods operate on multi-channel audio content having audio content spanning a plurality of frequency bands. The process can be configured to analyze audio content to identify one or more frequency bands of the plurality of frequency bands associated with a first channel having a signal level below a predetermined threshold; increase the gain of the identified frequency band(s) in the first channel; altering the gain of the identified frequency band(s) in the second channel relative to the first channel; phase shifting the first channel relative to the second channel to create modified first and second channels; creating a master channel signal comprising the modified first and second channels; separating the master channel signal into a plurality of frequency bands; and processing each frequency band in the master channel with an audio compressor to adjust attack and release times of master channel signals in multiple frequency bands. | 2013-04-11 |
20130089209 | AUDIO-SIGNAL PROCESSING DEVICE, AUDIO-SIGNAL PROCESSING METHOD, PROGRAM, AND RECORDING MEDIUM - An audio-signal processing device includes a decoding unit that decodes a compressed audio stream to obtain audio signals for a predetermined number of channels; a signal processing unit that generates 2-channel audio signals including left-channel audio signals and right-channel audio signals, on the basis of the predetermined-number-of-channels audio signals; and a coefficient setting unit that sets filter coefficients corresponding to the impulse responses for the digital filters, on the basis of format information of the compressed audio stream. The signal processing unit uses digital filters to convolve impulse responses for paths from sound-source positions of the channels to the left and right ears of a listener with the corresponding predetermined-number-of-channels audio signals and adds corresponding results of the convolutions for the channels to generate the left-channel audio signals and the right-channel audio signals. | 2013-04-11 |
20130089210 | END OF BRANCH MODULE SYSTEM - An end-of-branch (EOB) module system for an audio signal distribution system having a wired trunk and a plurality of wired branches extending communicatively from such trunk, the EOB module system including: a plurality of EOB modules including one EOB module electronically coupled at each distal end of each branch and trunk of the audio signal distribution system, where each EOB module of the plurality of EOB modules has a unique address together forming a plurality of unique addresses; a test system able to send a test carrier signal encoded with any one unique address of the plurality of unique addresses at a time onto the trunk; and a switch within each EOB module, responsive to its unique address to place an end-of-line (EOL) load on its respective branch or trunk, and where power for operation of each EOB module is provided by rectification of the test signal. | 2013-04-11 |
20130089211 | ACTIVE NOISE CONTROL DEVICE - The active noise control device for canceling out a target sound to be controlled in a target area for sound control includes: control sound output units each of which produces a control sound based on a wavefront control signal; and a wavefront control unit which provides the wavefront control signal to the corresponding one of the control sound output units, and the wavefront control unit generates the wavefront control signal to emit a synthesized sound from a virtual sound source toward the target area for sound control and cancel out the target sound in the target area for sound control, the synthesized sound being a sound synthesized from control sounds produced by the respective control sound output units, and the virtual sound source being located at a predetermined position | 2013-04-11 |
20130089212 | Method and System for Hybrid Noise Cancellation - From a first microphone, first microphone signals are received that represent first sound waves. From a second microphone, second microphone signals are received that represent second sound waves. In response to the first microphone signals, analog processing is performed to estimate noise in the first sound waves, and first analog signals are generated for cancelling at least some of the estimated noise in the first sound waves. In response to the second microphone signals, digital processing is performed to estimate noise in the second sound waves, and digital information is generated for cancelling at least some of the estimated noise in the second sound waves. The digital information is converted into second analog signals that represent the digital information. The first and second analog signals are combined into third analog signals for cancelling at least some of the estimated noise in the first and second sound waves. | 2013-04-11 |
20130089213 | DISTRIBUTED EMITTER VOICE LIFT SYSTEM - A method of providing an improved learning environment in a classroom setting area in which at least one human listener is attempting to focus on at least one speech sound source in the presence of at least one distracting sound source is disclosed. At least one electrical sound masking signal is generated by at least one sound masking signal generator as output, received by at least one system controller, and then provided to one or more loudspeaker assemblies. At least one acoustic sound masking signal corresponding to the at least one electrical sound masking signal is emitted by the one or more loudspeaker assemblies into the classroom setting area, providing an essentially uniform level of acoustic sound masking signal, thus improving the ability of the human listener(s) to focus on the intended speech sound source in the presence of the distracting sound source. | 2013-04-11 |
20130089214 | MODULAR HEADSET COMPUTER - A headset is described. The headset includes a headset insert worn on a head of a user. The headset insert includes a first connector having a first mechanical coupler. The first connector is configured to mate in at least two different orientations with a second connector having a second mechanical coupler. A frame includes the second connector that mates with the first connector. The frame is adapted to receive the headset insert in at least two different orientations. | 2013-04-11 |
20130089215 | AUDIO PROCESSING DEVICE, AUDIO PROCESSING METHOD, RECORDING MEDIUM, AND PROGRAM - An audio processing device includes a plurality of loudspeakers outputting audio for each band, a correction filter correcting an audio signal including a plurality of bands in accordance with characteristics of the plurality of loudspeakers, and a plurality of band division filters dividing the audio signal corrected by the correction filter into bands of the loudspeakers so that a phase difference of phase characteristics is approximately 0 degree or approximately 180 degrees. The correction filter is an inverse filter set with an impulse response based on the audio outputted for each band from the plurality of loudspeakers via the plurality of band division filters. | 2013-04-11 |
20130089216 | METHOD AND APPARATUS FOR RECOGNIZING AN EARPHONE IN A PORTABLE DEVICE - A method and an apparatus for recognizing an earphone in a portable terminal are provided. The method includes detecting a connection to the earphone, recognizing a type of the connected earphone, determining whether a re-recognition signal of the connected earphone is input, and re-recognizing the type of the connected earphone when the re-recognition signal is input. | 2013-04-11 |
20130089217 | Arranging an Audio Signal Based on the Number of Loudspeakers - An apparatus including: a router configured to route a first audio signal to a local loudspeaker apparatus; and a switch configured to route at least one further audio signal, wherein in a first mode of operation the switch is configured to route the at least one further audio signal to at least one remote loudspeaker apparatus dependent on determining the presence of at least one remote loudspeaker apparatus, and in a second mode of operation the switch is configured to route the at least one further audio signal to the local loudspeaker apparatus. | 2013-04-11 |
20130089218 | AUDIO EQUIPMENT AND OSCILLATION UNIT - A mobile phone ( | 2013-04-11 |
20130089219 | NOISE REDUCTION IN AN ELECTRONIC DEVICE - A method includes: detecting movement of a component of the electronic device; receiving an audio signal using a microphone of the electronic device, the audio signal including a noise signal corresponding to the component movement; and in response to detecting the component movement, combining the audio signal with a phase-inverted noise signal generated by phase inverting a recorded noise signal of the event received using the microphone of the electronic device. | 2013-04-11 |
20130089220 | SOUND REPRODUCING APPARTUS - A sound reproducing apparatus is provided to include a controller configured to receive first and second sound source signals, to control magnitudes and phases of the received first and second sound source signals to be heard as if sound is reproduced at a pre-determined position within a listening space, and to output first and second control sound source signals; a first speaker configured to receive the first control sound source signal and to reproduce sound; and a second speaker configured to receive the second control sound source signal and to reproduce sound, wherein the pre-determined position is distant from a listener. | 2013-04-11 |
20130089221 | SOUND REPRODUCING APPARATUS - A sound reproducing apparatus is provided to include a control device configured to receive first and second sound source signals, controls magnitudes and phases of the received first and second sound source signals to be heard as if sound is reproduced at a pre-determined position within a listening space, and to output first and second controlled sound source signals; a first speaker configured to receive the first controlled sound source signal and to reproduce sound; a second speaker configured to receive the second controlled sound source signal and to reproduce sound; and an input device with which a user can draw the listening space and mark the pre-determined position and the user's position in the drawn listening space, wherein the pre-determined position is distant from the user, wherein the input device is made of a touch panel and the user can draw the listening space with his/her finger or a pen and mark the pre-determined position and the user's position through the touch panel, and wherein the control device controls the magnitudes and phases of the first and second sound source signals to be heard as if sound is reproduced at an actual pre-determined position within the listening space corresponding to the pre-determined position marked on the input device, and outputs the first and second controlled sound source signals. | 2013-04-11 |
20130089222 | CONDENSER MICROPHONE - The present invention has: a condenser microphone unit which performs electroacoustic conversion according to a change in an electrostatic capacitance between a diaphragm and a fixed pole; a non-inverting amplifier which is connected to one of the diaphragm and the fixed pole, and which has an impedance converter which converts an output impedance of the microphone unit into a low impedance; an inverting amplifier which receives an input of an output signal of the non-inverting amplifier through an input resistance, and which has a feedback resistance; and a variable resistor which is connected between an output of the non-inverting amplifier and an output of the inverting amplifier, and in which a wiper is connected to the diaphragm or the fixed pole, whichever is not connected to the non-inverting amplifier, and the sensitivity changes according to the position of the wiper of the variable resistor. | 2013-04-11 |