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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04/15/2009 | CN101410890A Reduced number of channels decoding |
04/15/2009 | CN101410889A Controlling spatial audio coding parameters as a function of auditory events |
04/15/2009 | CN101409075A Method for transforming and quantifying line spectrum pair coefficient of G.729 standard |
04/15/2009 | CN101409021A Sound music reading matter relating to splitting mode and pick-up |
04/15/2009 | CN101408615A Method and device for measuring binaural sound time difference ILD critical apperceive characteristic |
04/15/2009 | CN101408614A Method and device for measuring binaural sound strong difference ILD critical apperceive characteristic |
04/14/2009 | US7519845 Software-based audio rendering |
04/14/2009 | US7519538 Audio signal encoding or decoding |
04/14/2009 | US7519535 Frame erasure concealment in voice communications |
04/14/2009 | US7519533 Fixed codebook searching apparatus and fixed codebook searching method |
04/14/2009 | US7519532 Transcoding EVRC to G.729ab |
04/14/2009 | US7519531 Speaker adaptive learning of resonance targets in a hidden trajectory model of speech coarticulation |
04/14/2009 | US7519530 Audio signal processing |
04/14/2009 | US7519443 Information signal reproducing apparatus |
04/14/2009 | US7519442 Process for adjusting the sound volume of a digital sound recording |
04/14/2009 | US7518054 Audio reproduction apparatus, method, computer program |
04/09/2009 | WO2009046460A2 Phase-amplitude 3-d stereo encoder and decoder |
04/09/2009 | WO2009046225A2 Correlation-based method for ambience extraction from two-channel audio signals |
04/09/2009 | WO2009046223A2 Spatial audio analysis and synthesis for binaural reproduction and format conversion |
04/09/2009 | WO2009044346A1 System and method for combining adaptive golomb coding with fixed rate quantization |
04/09/2009 | WO2009043287A1 Apparatus and method for noise generation |
04/09/2009 | WO2008114085A3 Method and device for transmitting data in a communication system |
04/09/2009 | WO2008049587A8 Apparatus and method for generating an ambient signal from an audio signal, apparatus and method for deriving a multi-channel audio signal from an audio signal and computer program |
04/09/2009 | WO2007047037A3 An adaptive equalizer for a coded speech signal |
04/09/2009 | WO2005070130A3 Speech recognition channel normalization utilizing measured energy values from speech utterance |
04/09/2009 | US20090094038 Efficient design of mdct / imdct filterbanks for speech and audio coding applications |
04/09/2009 | US20090094037 Adaptive Approach to Improve G.711 Perceptual Quality |
04/09/2009 | US20090094026 Method of determining an estimated frame energy of a communication |
04/09/2009 | US20090094025 Method for speech coding, method for speech decoding and their apparatuses |
04/09/2009 | US20090094024 Coding device and coding method |
04/09/2009 | US20090094023 Method, medium, and apparatus encoding scalable wideband audio signal |
04/09/2009 | US20090094022 Apparatus for creating speaker model, and computer program product |
04/09/2009 | US20090093898 Audio player for download and playback of audio files |
04/09/2009 | US20090093897 Method of retrieving audio data via coded medium |
04/09/2009 | US20090091481 Method and Apparatus for Signal Processing and Encoding and Decoding Method, and Apparatus Therefor |
04/08/2009 | EP2045800A1 Method and apparatus for transcoding |
04/08/2009 | EP2045799A1 Data processor |
04/08/2009 | EP2044746A1 Method of transmitting data signals in a telephone network |
04/08/2009 | EP2044589A1 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
04/08/2009 | EP1971978A4 Controlling the decoding of binaural audio signals |
04/08/2009 | EP1846922A4 Method for two-channel coding of a message |
04/08/2009 | EP1356459B1 Method and apparatus for interoperability between voice transmission systems during speech inactivity |
04/08/2009 | CN101405804A Method and apparatus for correlating two data sections |
04/08/2009 | CN101405792A Method for post-processing a signal in an audio decoder |
04/08/2009 | CN101405791A Apparatus and method for generating audio subband values and apparatus and method for generating time-domain audio samples |
04/07/2009 | US7516230 Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder |
04/07/2009 | US7516075 Hypersound document |
04/07/2009 | US7516066 Audio coding |
04/07/2009 | US7516064 Adaptive hybrid transform for signal analysis and synthesis |
04/07/2009 | US7515733 Methods and arrangements employing digital content items |
04/07/2009 | US7515661 Transmission device, transmission method, reception device, reception method, transmission/reception device, communication method, recording medium, and program |
04/07/2009 | CA2249792C Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus |
04/02/2009 | WO2009042386A1 Apparatus and method for encoding a multi channel audio signal |
04/02/2009 | WO2009042385A1 Method and apparatus for generating an audio signal from multiple microphones |
04/02/2009 | WO2009039783A1 A processing method and device for network time delay character |
04/02/2009 | WO2009039645A1 Method and device for efficient quantization of transform information in an embedded speech and audio codec |
04/02/2009 | US20090089052 Signal Recording and Reproducing Apparatus and Method |
04/02/2009 | US20090089051 Vocal fry detecting apparatus |
04/02/2009 | US20090089050 Device and Method For Frame Lost Concealment |
04/02/2009 | US20090089049 Method and apparatus for adaptively determining quantization step according to masking effect in psychoacoustics model and encoding/decoding audio signal by using determined quantization step |
04/02/2009 | DE19705751B4 Verfahren und Gerät zur Übertragung eines Signals Method and apparatus for transmitting a signal |
04/02/2009 | CA2697604A1 Method and device for efficient quantization of transform information in an embedded speech and audio codec |
04/01/2009 | EP2043101A1 Signal recording and reproducing apparatus and method |
04/01/2009 | EP2042001A1 Binaural spatialization of compression-encoded sound data |
04/01/2009 | EP2041745A1 Adaptive encoding and decoding methods and apparatuses |
04/01/2009 | EP2041744A1 Audio watermarking technique for motion picture presentations |
04/01/2009 | EP2041743A1 Audio bitstream data structure arrangement of a lossy encoded signal together with lossless encoded extension data for said signal |
04/01/2009 | EP2041742A1 Apparatus and method for restoring multi-channel audio signal using he-aac decoder and mpeg surround decoder |
04/01/2009 | CN101401153A Improved coding/decoding of a digital audio signal, in CELP technique |
04/01/2009 | CN101401152A Device and method for encoding by principal component analysis a multichannel audio signal |
04/01/2009 | CN101401151A Device and method for graduated encoding of a multichannel audio signal based on a principal component analysis |
04/01/2009 | CN101399676A Power saving and handling broadcast as unicast traffic in a wlan |
04/01/2009 | CN101399043A Self-adapting multi-speed narrowband coding method and coder |
04/01/2009 | CN101399042A Signal recording and reproducing apparatus and method |
04/01/2009 | CN101399041A Encoding/decoding method and device for noise background |
04/01/2009 | CN101399040A Spectrum parameter replacing method for hiding frames error |
04/01/2009 | CN100474281C Low power digital audio decoding/playing system for computing devices |
03/31/2009 | USRE40691 Encoding decoding and compression of audio-type data using reference coefficients located within a band of coefficients |
03/31/2009 | US7512549 Information processor and processing method, and information storage medium |
03/31/2009 | US7512546 Store system |
03/31/2009 | US7512539 Method and device for processing time-discrete audio sampled values |
03/31/2009 | US7512536 Efficient filter bank computation for audio coding |
03/31/2009 | US7512535 Adaptive postfiltering methods and systems for decoding speech |
03/31/2009 | US7512534 Optimized windows and methods therefore for gradient-descent based window optimization for linear prediction analysis in the ITU-T G.723.1 speech coding standard |
03/31/2009 | US7512320 Reproduction apparatus and reproducing method |
03/31/2009 | CA2428477C Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream |
03/26/2009 | WO2009039451A2 Efficient design of mdct / imdct filterbanks for speech and audio coding applications |
03/26/2009 | WO2009038512A1 Joint enhancement of multi-channel audio |
03/26/2009 | WO2009038170A1 Audio processing device, audio processing method, program, and musical composition / melody distribution system |
03/26/2009 | WO2009038158A1 Audio decoding device, audio decoding method, program, and mobile terminal |
03/26/2009 | WO2009038115A1 Audio encoding device, audio encoding method, and program |
03/26/2009 | WO2009037852A1 Communication terminal device, communication system, and communication method |
03/26/2009 | WO2009000073A8 Method and device for sound activity detection and sound signal classification |
03/26/2009 | US20090083046 Efficient coding of digital media spectral data using wide-sense perceptual similarity |
03/26/2009 | US20090083045 Device and Method for Graduated Encoding of a Multichannel Audio Signal Based on a Principal Component Analysis |
03/26/2009 | US20090083044 Device and Method for Encoding by Principal Component Analysis a Multichannel Audio Signal |
03/26/2009 | US20090083043 Method of coding a source audio signal, corresponding coding device, decoding method and device, signal, computer program products |
03/26/2009 | US20090083040 Encoding and decoding a set of signals |
03/26/2009 | US20090083031 Clipped-waveform repair in acoustic signals using generalized linear prediction |
03/26/2009 | US20090083030 Method and apparatus for transmitting wideband speech signals |