| Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960) |
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| 04/28/2011 | WO2011048792A1 Sound signal processing apparatus, sound encoding apparatus and sound decoding apparatus |
| 04/28/2011 | WO2011048118A1 Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications |
| 04/28/2011 | WO2011048117A1 Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
| 04/28/2011 | WO2011048100A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction |
| 04/28/2011 | WO2011048099A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule |
| 04/28/2011 | WO2011048098A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values |
| 04/28/2011 | WO2011048094A1 Multi-mode audio codec and celp coding adapted therefore |
| 04/28/2011 | WO2011048067A1 Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling |
| 04/28/2011 | WO2011047886A1 Apparatus and method for generating a high frequency audio signal using adaptive oversampling |
| 04/28/2011 | WO2011047578A1 Spreading method for frequency band and device thereof |
| 04/28/2011 | WO2011021790A3 Multi-channel audio decoding method and apparatus therefor |
| 04/28/2011 | WO2011013983A3 A method and an apparatus for processing an audio signal |
| 04/28/2011 | WO2011013981A3 A method and an apparatus for processing an audio signal |
| 04/28/2011 | US20110099018 Apparatus and Method for Calculating Bandwidth Extension Data Using a Spectral Tilt Controlled Framing |
| 04/28/2011 | US20110099009 Network/peer assisted speech coding |
| 04/28/2011 | US20110099008 Bit error management and mitigation for sub-band coding |
| 04/28/2011 | US20110099005 Framing method and apparatus |
| 04/28/2011 | US20110098084 Mobile phone with retractable stylus |
| 04/28/2011 | US20110096932 Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
| 04/28/2011 | CA2778382A1 Audio signal encoder, audio signal decoder, method for encoding or decoding an audio signal using an aliasing-cancellation |
| 04/28/2011 | CA2778373A1 Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications |
| 04/28/2011 | CA2778368A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using an iterative interval size reduction |
| 04/28/2011 | CA2778325A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a region-dependent arithmetic coding mapping rule |
| 04/28/2011 | CA2778323A1 Audio encoder, audio decoder, method for encoding an audio information, method for decoding an audio information and computer program using a detection of a group of previously-decoded spectral values |
| 04/28/2011 | CA2778240A1 Multi-mode audio codec and celp coding adapted therefore |
| 04/28/2011 | CA2778239A1 Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer program and bitstream using a distortion control signaling |
| 04/28/2011 | CA2778205A1 Apparatus and method for generating a high frequency audio signal using adaptive oversampling |
| 04/27/2011 | EP2313999A1 Sound field widening and phase decorrelation system and method |
| 04/27/2011 | EP2313888A2 Method and apparatus to encode and decode an audio/speech signal |
| 04/27/2011 | EP2313887A1 Variable bit rate lpc filter quantizing and inverse quantizing device and method |
| 04/27/2011 | EP2313886A1 Multichannel audio coder and decoder |
| 04/27/2011 | EP2313885A1 Multi-mode scheme for improved coding of audio |
| 04/27/2011 | EP2313884A1 Parametric stereo conversion system and method |
| 04/27/2011 | EP2206113B1 Device and method for generating a multi-channel signal using voice signal processing |
| 04/27/2011 | EP2162355B1 System and method for transmitting audio data |
| 04/27/2011 | EP2057625B1 Coding of an information signal |
| 04/27/2011 | CN201813470U Television with function of voice recognition |
| 04/27/2011 | CN102037507A A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
| 04/27/2011 | CN102034481A Communication device |
| 04/27/2011 | CN102034480A Communication method of underwater digital voice |
| 04/27/2011 | CN102034479A Quantization step optimizing method |
| 04/27/2011 | CN102034478A Voice secret communication system design method based on compressive sensing and information hiding |
| 04/27/2011 | CN102034477A Electronic device and audio data copyright protection method |
| 04/27/2011 | CN102034476A Methods and devices for detecting and repairing error voice frame |
| 04/27/2011 | CN101499281B Gain quantization method and device |
| 04/27/2011 | CN101308658B Audio decoder based on system on chip and decoding method thereof |
| 04/27/2011 | CN101261833B A method for hiding audio error based on sine model |
| 04/27/2011 | CN101170590B A method, system and device for transmitting encoding stream under background noise |
| 04/27/2011 | CN101101755B Audio frequency bit distribution and quantitative method and audio frequency coding device |
| 04/27/2011 | CN101051261B Rounding computing method and computing device therefor |
| 04/27/2011 | CN101014999B Device and method for generating a multi-channel signal or a parameter data set |
| 04/26/2011 | US7933770 Method and device for coding audio data based on vector quantisation |
| 04/26/2011 | US7933769 Methods and devices for low-frequency emphasis during audio compression based on ACELP/TCX |
| 04/26/2011 | US7933768 Vocoder system and method for vocal sound synthesis |
| 04/26/2011 | US7933767 Systems and methods for determining pitch lag for a current frame of information |
| 04/26/2011 | US7933548 Cellular phone, and codec circuit and receiving call sound volume automatic adjustment method for use in cellular phone |
| 04/26/2011 | US7933417 Encoding device and decoding device |
| 04/26/2011 | US7933416 Method and apparatus for encoding and decoding multi-channel signals |
| 04/26/2011 | US7933415 Signal synthesizing |
| 04/26/2011 | CA2483280C Excitation vector generator, speech coder and speech decoder |
| 04/21/2011 | WO2011046329A2 Integrated voice/audio encoding/decoding device and method whereby the overlap region of a window is adjusted based on the transition interval |
| 04/21/2011 | WO2011045927A1 Encoding device, decoding device and methods therefor |
| 04/21/2011 | WO2011045926A1 Encoding device, decoding device, and methods therefor |
| 04/21/2011 | WO2011045549A1 Optimized parametric stereo decoding |
| 04/21/2011 | WO2011045548A1 Optimized low-throughput parametric coding/decoding |
| 04/21/2011 | WO2011045506A1 Processing of sound data encoded in a sub-band domain |
| 04/21/2011 | WO2011045465A1 Method, apparatus and computer program for processing multi-channel audio signals |
| 04/21/2011 | WO2011045409A1 Apparatus, method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value |
| 04/21/2011 | WO2011044898A1 Hearing aid with audio codec and method |
| 04/21/2011 | WO2011044700A1 Simultaneous time-domain and frequency-domain noise shaping for tdac transforms |
| 04/21/2011 | WO2011013982A3 A method and an apparatus for processing an audio signal |
| 04/21/2011 | WO2011013980A3 A method and an apparatus for processing an audio signal |
| 04/21/2011 | WO2011010876A3 Method and apparatus for window processing for interconnecting between an mdct frame and a heterogeneous frame, and encoding/decoding apparatus and method using same |
| 04/21/2011 | WO2010003563A8 Audio encoder and decoder for encoding and decoding audio samples |
| 04/21/2011 | US20110093276 Apparatus |
| 04/21/2011 | US20110093275 Coding method, decoding method, codec method, codec system and relevant apparatuses |
| 04/21/2011 | US20110090943 Method for Identifying Signals of the Same Origin |
| 04/21/2011 | CA2777665A1 Apparatus, method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value |
| 04/21/2011 | CA2777601A1 A hearing aid with audio codec and method |
| 04/20/2011 | EP2312851A2 Method and apparatus for multi-channel encoding and decoding |
| 04/20/2011 | EP2312578A1 Signal analyzing device, signal control device, and method and program therefor |
| 04/20/2011 | EP2311035A1 Low bitrate audio encoding/decoding scheme with common preprocessing |
| 04/20/2011 | EP2311034A1 Audio encoder and decoder for encoding frames of sampled audio signals |
| 04/20/2011 | EP2311033A2 Providing a time warp activation signal and encoding an audio signal therewith |
| 04/20/2011 | EP2311032A1 Audio encoder and decoder for encoding and decoding audio samples |
| 04/20/2011 | EP2054880B1 Time-warping of decoded audio signal after packet loss |
| 04/20/2011 | EP1860649B1 Data reproduction device |
| 04/20/2011 | EP1336277B1 Methods and apparatus for identifying asset location in mobile communication networks |
| 04/20/2011 | CN1659785B Method and system for multi-rate lattice vector quantization of a signal |
| 04/20/2011 | CN102027535A Processing of signals |
| 04/20/2011 | CN102027533A Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal |
| 04/20/2011 | CN102025963A Method and device for controlling call of video telephone |
| 04/20/2011 | CN101256775B Method and apparatus for arranging MP3 bit string |
| 04/20/2011 | CN101183528B Method of inserting vector information, method of transmitting vector information, and method of estimating voice data |
| 04/20/2011 | CN101136200B Audio signal transform coding method and system thereof |
| 04/20/2011 | CN101101753B Audio frequency frame recognition method |
| 04/20/2011 | CN101067931B Efficient configurable frequency domain parameter stereo-sound and multi-sound channel coding and decoding method and system |
| 04/20/2011 | CN101067929B Method for enhancing and extracting phonetic resonance hump trace utilizing formant |
| 04/20/2011 | CN101025919B Synthetic sub-band filtering method for audio decoding and synthetic sub-band filter |
| 04/19/2011 | US7930185 Apparatus and method for controlling audio-frame division |