| 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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| 07/29/2009 | EP2082397A2 Apparatus and method for multi -channel parameter transformation |
| 07/29/2009 | EP2082396A1 Audio coding using downmix |
| 07/29/2009 | EP1969593B1 Multiple description coding using correlating transforms |
| 07/29/2009 | EP1849157B1 Method of measuring annoyance caused by noise in an audio signal |
| 07/29/2009 | EP1800295A4 Apparatus and methods for multichannel digital audio coding |
| 07/29/2009 | EP1204970A4 Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| 07/29/2009 | CN101496100A Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| 07/29/2009 | CN101496099A Systems, methods, and apparatus for wideband encoding and decoding of active frames |
| 07/29/2009 | CN101496098A Systems and methods for modifying a window with a frame associated with an audio signal |
| 07/29/2009 | CN101496097A Systems and methods for including an identifier with a packet associated with a speech signal |
| 07/29/2009 | CN101494460A Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof |
| 07/29/2009 | CN101494055A Method and device for CDMA wireless systems |
| 07/29/2009 | CN101494054A Audio code rate control method and system |
| 07/29/2009 | CN101494053A Method and apparatus for determining whether or not a reference pattern is present in a received and possibly water-marked signal |
| 07/29/2009 | CN101494052A Method and apparatus for determining and using the sampling frequency for decoding watermark information embedded in a received signal sampled with an original sampling frequency at encoder side |
| 07/29/2009 | CN101494051A Detection method for time-domain audio LSB hidden write |
| 07/29/2009 | CN100521549C Audio codec system and audio signal encoding method using the same |
| 07/28/2009 | US7567903 Low latency real-time vocal tract length normalization |
| 07/28/2009 | US7567898 Regulation of volume of voice in conjunction with background sound |
| 07/28/2009 | US7567897 Method for dynamic selection of optimized codec for streaming audio content |
| 07/28/2009 | US7567686 Hiding and detecting messages in media signals |
| 07/28/2009 | US7567591 Method and apparatus for generating information signal to be recorded |
| 07/23/2009 | WO2009090876A1 Vector quantizer, vector inverse quantizer, and methods therefor |
| 07/23/2009 | WO2009090875A1 Vector quantizer, vector inverse quantizer, and methods therefor |
| 07/23/2009 | WO2009090705A1 Recording/reproduction device |
| 07/23/2009 | WO2009089922A1 Objective measurement of audio quality |
| 07/23/2009 | WO2009089700A1 A synthesis filter state updating method and apparatus |
| 07/23/2009 | US20090187765 Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal |
| 07/23/2009 | US20090187411 Method for encoding a source audio signal, corresponding encoding device, decoding method, signal, data carrier and computer program product |
| 07/23/2009 | US20090187409 Method and apparatus for encoding and decoding audio signals |
| 07/22/2009 | EP2081188A1 Method and apparatus for determining whether or not a reference pattern is present in a received and possibly watermarked signal |
| 07/22/2009 | EP2081187A1 Method and apparatus for determining whether or not a reference pattern is present in a received and possibly water-marked signal |
| 07/22/2009 | EP2081186A1 A method and device for accomplishing speech decoding in a speech decoder |
| 07/22/2009 | EP2080270A1 Method for encoding, method for decoding, encoder, decoder and computer program products |
| 07/22/2009 | EP2080196A1 System and method for modeling speech spectra |
| 07/22/2009 | EP2080195A1 Synthesis of lost blocks of a digital audio signal, with pitch period correction |
| 07/22/2009 | EP2080194A2 Attenuation of overvoicing, in particular for generating an excitation at a decoder, in the absence of information |
| 07/22/2009 | EP1952392A4 Method for encoding and decoding multi-channel audio signal and apparatus thereof |
| 07/22/2009 | EP1952391A4 Method for encoding and decoding multi-channel audio signal and apparatus thereof |
| 07/22/2009 | EP1946304A4 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
| 07/22/2009 | EP1766615B1 System and method for enhanced artificial bandwidth expansion |
| 07/22/2009 | EP1451811B1 Low bit rate codec |
| 07/22/2009 | EP1364364B1 Audio coder and audio decoder |
| 07/22/2009 | EP1190597B1 Voice-to-remaining audio (vra) interactive hearing aid & auxiliary equipment |
| 07/22/2009 | CN101490749A Audio data decoding device |
| 07/22/2009 | CN101490748A Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| 07/22/2009 | CN101490747A Audio watermarking technique for motion picture presentations |
| 07/22/2009 | CN101490746A Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal |
| 07/22/2009 | CN101490745A Method and apparatus for encoding and decoding an audio signal |
| 07/22/2009 | CN101490744A Method and apparatus for encoding and decoding an audio signal |
| 07/22/2009 | CN101490743A Dynamic decoding of binaural audio signals |
| 07/22/2009 | CN101488345A Signal modification method for efficient coding of speech signals |
| 07/22/2009 | CN101488344A Quantitative noise leakage control method and apparatus |
| 07/22/2009 | CN101488343A Wideband acoustic encoder and method |
| 07/21/2009 | US7565296 Digital audio watermark inserting/detecting apparatus and method |
| 07/21/2009 | US7565289 Echo avoidance in audio time stretching |
| 07/21/2009 | US7565287 Methods and apparatus for efficient vocoder implementations |
| 07/21/2009 | US7565286 Method for recovery of lost speech data |
| 07/21/2009 | US7565285 Detecting near-term suicidal risk utilizing vocal jitter |
| 07/21/2009 | US7565213 Device and method for analyzing an information signal |
| 07/21/2009 | US7564992 Content identification through deriving identifiers from video, images and audio |
| 07/21/2009 | US7564978 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 07/16/2009 | WO2009088431A1 Method and apparatus for detecting and suppressing echo in packet networks |
| 07/16/2009 | WO2009088258A2 Method and apparatus for identifying frame type |
| 07/16/2009 | WO2009088257A2 Method and apparatus for identifying frame type |
| 07/16/2009 | WO2009087923A1 System, apparatus, method and program for signal analysis control, signal analysis and signal control |
| 07/16/2009 | WO2009086919A1 Audio encoder and decoder |
| 07/16/2009 | WO2009086918A1 Audio encoder and decoder |
| 07/16/2009 | US20090182558 Selection of scalar quantixation (SQ) and vector quantization (VQ) for speech coding |
| 07/16/2009 | US20090182557 Sound/voice processing apparatus, sound/voice processing method, and sound/voice processing program |
| 07/16/2009 | US20090182555 Speech Enhancement Device and Method for the Same |
| 07/16/2009 | US20090180645 System and method for deploying filters for processing signals |
| 07/16/2009 | DE102008003364A1 Method for detecting of manipulations in multimedia data e.g. video, involves determining whether data to be checked is result of manipulation in comparison to another data not to be manipulated |
| 07/16/2009 | CA2709974A1 Audio encoder and decoder |
| 07/15/2009 | EP1723638B1 Adaptive hybrid transformation for signal analysis and synthesis |
| 07/15/2009 | EP1247242B1 Viewer with code sensor and printer |
| 07/15/2009 | CN101485094A Method and system for multi-channel audio encoding and decoding with backward compatibility based on maximum entropy rule |
| 07/15/2009 | CN101484937A Decoding of predictively coded data using buffer adaptation |
| 07/15/2009 | CN101484936A Audio decoding |
| 07/15/2009 | CN101484935A Methods and apparatuses for encoding and decoding object-based audio signals |
| 07/15/2009 | CN101483043A Code book index encoding method based on classification, permutation and combination |
| 07/15/2009 | CN101483042A Noise generating method and noise generating apparatus |
| 07/15/2009 | CN100515103C Speech communication system and method based on mobile telephone speech encoding and decoding system |
| 07/15/2009 | CN100514856C Convolutive blind source separation using multiple decorrelation method |
| 07/15/2009 | CN100514471C Method and system of visiting encrypting content on mobile media by device |
| 07/15/2009 | CN100514447C Signal proces and its modular set |
| 07/15/2009 | CN100514394C Method of, apparatus and system for performing data insertion/extraction for phonetic code |
| 07/15/2009 | CN100514384C Talking e-book |
| 07/14/2009 | USRE40854 Fast calculation apparatus for carrying out a forward and an inverse transform |
| 07/14/2009 | US7562145 Application instance level workload distribution affinities |
| 07/14/2009 | US7562021 Modification of codewords in dictionary used for efficient coding of digital media spectral data |
| 07/14/2009 | US7562013 Method for recovering target speech based on amplitude distributions of separated signals |
| 07/14/2009 | US7561933 Apparatus and method for processing audio signal and computer readable recording medium storing computer program for the method |
| 07/14/2009 | US7561714 Reversible watermarking |
| 07/14/2009 | US7561688 Embedding supplementary data in an information signal |
| 07/14/2009 | CA2404441C Robust parameters for noisy speech recognition |
| 07/14/2009 | CA2382004C Sound reproducing apparatus |
| 07/09/2009 | WO2009084920A1 A method and an apparatus for processing a signal |
| 07/09/2009 | WO2009084919A1 A method and an apparatus for processing an audio signal |
| 07/09/2009 | WO2009084918A1 A method and an apparatus for processing an audio signal |