| 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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| 05/17/2011 | US7945440 Audio stream notification and processing |
| 05/17/2011 | CA2429832C Lpc vector quantization apparatus |
| 05/16/2011 | CA2722213A1 Audio system with portable audio enhancement device |
| 05/12/2011 | WO2011056942A1 Controlling video encoding using audio information |
| 05/12/2011 | WO2011056446A1 Encoder and decoder using arithmetic stage to compress code space that is not fully utilized |
| 05/12/2011 | WO2011056397A1 Arithmetic encoding for factorial pulse coder |
| 05/12/2011 | WO2011055982A2 Apparatus and method for encoding/decoding a multi-channel audio signal |
| 05/12/2011 | US20110112845 Method and apparatus for estimating high-band energy in a bandwidth extension system |
| 05/12/2011 | US20110112844 Method and apparatus for estimating high-band energy in a bandwidth extension system |
| 05/12/2011 | US20110112843 Signal analyzing device, signal control device, and method and program therefor |
| 05/12/2011 | US20110112842 Method and apparatus for editing audio object in spatial information-based multi-object audio coding apparatus |
| 05/12/2011 | US20110112841 Apparatus |
| 05/12/2011 | US20110112829 Apparatus and method for encoding and decoding of integrated speech and audio |
| 05/12/2011 | US20110112669 Apparatus and Method for Calculating a Fingerprint of an Audio Signal, Apparatus and Method for Synchronizing and Apparatus and Method for Characterizing a Test Audio Signal |
| 05/11/2011 | EP2320416A1 Spectral smoothing device, encoding device, decoding device, communication terminal device, base station device, and spectral smoothing method |
| 05/11/2011 | EP2320415A1 Multi-object audio encoding and decoding apparatus supporting post down-mix signal |
| 05/11/2011 | EP2320414A1 Parametric joint-coding of audio sources |
| 05/11/2011 | EP2319039A1 Method for updating an encoder by filter interpolation |
| 05/11/2011 | EP2319038A1 Method, system, and apparatus for compression or decompression of digital signals |
| 05/11/2011 | EP2319037A1 Reconstruction of multi-channel audio data |
| 05/11/2011 | EP2122615B1 Apparatus and method for encoding an information signal |
| 05/11/2011 | EP1878011B1 Method and system for operating audio encoders in parallel |
| 05/11/2011 | CN1965351B Method and device for generating a multi-channel representation |
| 05/11/2011 | CN1920947B Voice/music detector for audio frequency coding with low bit ratio |
| 05/11/2011 | CN1864436B Compatible multi-channel coding/decoding |
| 05/11/2011 | CN1639984B Digital signal encoding method, decoding method, encoding device, decoding device |
| 05/11/2011 | CN102057639A System and method of an in-band modem for data communications over digital wireless communication networks |
| 05/11/2011 | CN102057634A Audio quality estimation method, audio quality estimation device, and program |
| 05/11/2011 | CN102057597A System and method of an in-band modem for data communications over digital wireless communication networks |
| 05/11/2011 | CN102057426A Data reproducing method, data reproducing device and data reproducing program |
| 05/11/2011 | CN102057425A Method, system, and apparatus for compression or decompression of digital signals |
| 05/11/2011 | CN102057424A Method and apparatus for error concealment of encoded audio data |
| 05/11/2011 | CN102057423A Concealing audio artifacts |
| 05/11/2011 | CN101409075B Method for transforming and quantifying line spectrum pair coefficient of G.729 standard |
| 05/11/2011 | CN101388212B Speech coding and decoding method and apparatus based on noise shaping |
| 05/11/2011 | CN101350197B Method for encoding and decoding stereo audio and encoder/decoder |
| 05/11/2011 | CN101320565B Perception weighting filtering wave method and perception weighting filter thererof |
| 05/11/2011 | CN101312041B Apparatus and methods for multichannel digital audio coding |
| 05/11/2011 | CN101223582B Audio frequency coding method, audio frequency decoding method and audio frequency encoder |
| 05/11/2011 | CN101185121B Method and apparatus for watermarking an audio or video signal with watermark data using a spread spectrum |
| 05/11/2011 | CN101169934B Time domain hearing threshold weighting filter construction method and apparatus, encoder and decoder |
| 05/11/2011 | CN101136202B Sound signal processing system, method and audio signal transmitting/receiving device |
| 05/11/2011 | CN101091317B Long-term prediction encoding method, long-term prediction decoding method, devices thereof |
| 05/11/2011 | CN101044550B Device and method for generating a coded multi-channel signal and device and method for decoding a coded multi-channel signal |
| 05/11/2011 | CN101030380B Method for estimating fractional base sound of code excitation linear predicted speech encoder |
| 05/10/2011 | US7941799 Interpreting I/O operation requests from pageable guests without host intervention |
| 05/10/2011 | US7941320 Cue-based audio coding/decoding |
| 05/10/2011 | US7941319 Audio decoding apparatus and decoding method and program |
| 05/10/2011 | US7941314 Fixed codebook search method and searcher |
| 05/10/2011 | US7940954 Watermarking digital representations that have undergone lossy compression |
| 05/10/2011 | US7940807 Methods, decoder circuits and computer program products for processing MPEG audio frames |
| 05/10/2011 | CA2579114C Device and method for generating a multi-channel signal or a parameter data set |
| 05/05/2011 | WO2011053222A1 Codec rate adaptation for radio channel rate change |
| 05/05/2011 | WO2011052412A1 Speech recognition system, speech recognition request device, speech recognition method, speech recognition program, and recording medium |
| 05/05/2011 | WO2011052221A1 Encoder, decoder and methods thereof |
| 05/05/2011 | WO2011052191A1 Tone determination device and method |
| 05/05/2011 | WO2011051512A1 Public-address-system quality-control device |
| 05/05/2011 | WO2011050853A1 Coding of multi-channel signals |
| 05/05/2011 | WO2011030354A3 Audio signal encoding employing interchannel and temporal redundancy reduction |
| 05/05/2011 | US20110106547 Audio signal compression device, audio signal compression method, audio signal demodulation device, and audio signal demodulation method |
| 05/05/2011 | US20110106546 Scalable lossless audio codec and authoring tool |
| 05/05/2011 | US20110106544 Adapting masking thresholds for encoding a low frequency transient signal in audio data |
| 05/05/2011 | US20110106543 Spatial synthesis of multichannel audio signals |
| 05/05/2011 | US20110106542 Audio Signal Decoder, Time Warp Contour Data Provider, Method and Computer Program |
| 05/05/2011 | US20110106541 Partially Complex Modulated Filter Bank |
| 05/05/2011 | US20110106540 Stereo coding and decoding method and apparatus thereof |
| 05/05/2011 | US20110106539 Audio and Video Signal Processing |
| 05/05/2011 | US20110106532 Apparatus and method for encoding and decoding enhancement layer |
| 05/05/2011 | US20110106529 Apparatus and method for converting an audiosignal into a parameterized representation, apparatus and method for modifying a parameterized representation, apparatus and method for synthesizing a parameterized representation of an audio signal |
| 05/05/2011 | US20110103591 Apparatus and method for adjusting spatial cue information of a multichannel audio signal |
| 05/05/2011 | US20110103444 Method and apparatus for regaining watermark data that were embedded in an original signal by modifying sections of said original signal in relation to at least two different |
| 05/04/2011 | CN201820444U Multi-channel voice encoding-decoding equipment |
| 05/04/2011 | CN1981326B Audio signal decoding device and method, audio signal encoding device and method |
| 05/04/2011 | CN1947095B Data processing method |
| 05/04/2011 | CN1739139B Encoding multiple messages in audio data and detecting same |
| 05/04/2011 | CN102047564A Factorization of overlapping transforms into two block transforms |
| 05/04/2011 | CN102047325A Method and apparatus for selective signal coding based on core encoder performance |
| 05/04/2011 | CN102047324A Data embedding system |
| 05/04/2011 | CN102047321A Method, apparatus and computer program product for providing improved speech synthesis |
| 05/04/2011 | CN102044250A Band spreading method and apparatus |
| 05/04/2011 | CN102044249A Method suitable for controlling consistency of sound volume of file broadcasting system |
| 05/04/2011 | CN102044248A Objective evaluating method for audio quality of streaming media |
| 05/04/2011 | CN102044247A Objective evaluation method for VoIP speech |
| 05/04/2011 | CN102044245A Instant processing method of input voice information in intelligent machine |
| 05/04/2011 | CN102044238A Music reproducing system |
| 05/04/2011 | CN101399676B Power saving via variable listen intervals in a wlan |
| 05/04/2011 | CN101397022B Digital mono-audio decoder based on mixed signal processor |
| 05/04/2011 | CN101223820B Signal processing device |
| 05/04/2011 | CN101149927B Method for determining ISF parameter in linear predication analysis |
| 05/03/2011 | US7937327 Music content using apparatus |
| 05/03/2011 | US7937272 Scalable encoding/decoding of audio signals |
| 05/03/2011 | US7937271 Audio decoding using variable-length codebook application ranges |
| 05/03/2011 | US7937267 Method and apparatus for decoding |
| 05/03/2011 | US7936900 Processing data representing video and audio and methods related thereto |
| 05/03/2011 | US7935878 System, method and computer program for ensuring secure use of music playing data files |
| 05/03/2011 | CA2207550C System for tdma mobile-to-mobile vselp codec bypass |
| 04/28/2011 | WO2011048820A1 Encoding apparatus, decoding apparatus and methods thereof |
| 04/28/2011 | WO2011048815A1 Audio encoding apparatus, decoding apparatus, method, circuit and program |
| 04/28/2011 | WO2011048810A1 Vector quantisation device and vector quantisation method |
| 04/28/2011 | WO2011048798A1 Encoding device, decoding device and method for both |