| 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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| 06/15/2011 | CN1748247B Audio coding |
| 06/15/2011 | CN1653697B Data processing system, data processing method and data processing device |
| 06/15/2011 | CN102100009A A method and an apparatus for processing an audio signal |
| 06/15/2011 | CN102099856A Audio encoding/decoding scheme having a switchable bypass |
| 06/15/2011 | CN102099855A Spectral smoothing device, encoding device, decoding device, communication terminal device, base station device, and spectral smoothing method |
| 06/15/2011 | CN102099854A A method and an apparatus for processing an audio signal |
| 06/15/2011 | CN102098159A Secret key device and method for mobile phone |
| 06/15/2011 | CN102097099A Source sound separator with spectrum analysis through linear combination and method therefor |
| 06/15/2011 | CN102097098A Digital steganography and digital extraction methods with compressed audio as masking carrier |
| 06/15/2011 | CN102097097A Voice frequency processing device and method |
| 06/15/2011 | CN101361119B Method and apparatus for processing a media signal |
| 06/15/2011 | CN101361117B Method and apparatus for processing a media signal |
| 06/15/2011 | CN101281748B Method for filling opening son (sub) tape using encoding index as well as method for generating encoding index |
| 06/15/2011 | CN101266798B A method and device for gain smoothing in voice decoder |
| 06/15/2011 | CN101233567B Method for generating encoded audio signal and method for processing audio signal |
| 06/15/2011 | CN101202043B Method and system for encoding and decoding audio signal |
| 06/15/2011 | CN101176148B Encoder, decoder, and their methods |
| 06/15/2011 | CN101149926B Audio signal interpolation method and device |
| 06/15/2011 | CN101120401B Sound source supply device and sound source supply method |
| 06/15/2011 | CN101057275B Vector conversion device and vector conversion method |
| 06/15/2011 | CN101051465B Method and apparatus for decoding layer encoded data |
| 06/14/2011 | US7962334 Receiving device and method |
| 06/14/2011 | US7962333 Method for high quality audio transcoding |
| 06/14/2011 | US7962332 Apparatus and method of encoding and decoding audio signal |
| 06/14/2011 | US7961949 Extracting multiple identifiers from audio and video content |
| 06/14/2011 | US7961881 Apparatus and methods for including codes in audio signals |
| 06/14/2011 | CA2378540C Method and device to distinguish between voice conversation and automated speech recognition |
| 06/09/2011 | WO2011067769A1 Shared dictionary compression over http proxy |
| 06/09/2011 | WO2011013980A4 A method and an apparatus for processing an audio signal |
| 06/09/2011 | WO2009049896A9 Audio coding using upmix |
| 06/09/2011 | US20110137663 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder |
| 06/09/2011 | US20110137662 Audio Signal Transformatting |
| 06/09/2011 | US20110137661 Quantizing device, encoding device, quantizing method, and encoding method |
| 06/09/2011 | US20110137660 Encoding and decoding speech signals |
| 06/09/2011 | US20110137645 Method and apparatus of communication |
| 06/09/2011 | US20110137643 Spectral smoothing device, encoding device, decoding device, communication terminal device, base station device, and spectral smoothing method |
| 06/09/2011 | US20110135144 Method and system for collecting voice and image data on a remote device and coverting the combined data |
| 06/09/2011 | US20110135007 Entropy-Coded Lattice Vector Quantization |
| 06/09/2011 | US20110134911 Selective filtering for digital transmission when analogue speech has to be recreated |
| 06/08/2011 | EP2329399A1 Method of analysing an audio signal |
| 06/08/2011 | EP2087485B1 Multicodebook source -dependent coding and decoding |
| 06/08/2011 | CN1991977B Voice coding rate confirming method for radio communication |
| 06/08/2011 | CN1967657B Automatic tracking and tonal modification system of speaker in program execution and method thereof |
| 06/08/2011 | CN102089817A An apparatus and a method for calculating a number of spectral envelopes |
| 06/08/2011 | CN102089814A An apparatus and a method for decoding an encoded audio signal |
| 06/08/2011 | CN102089813A Audio encoder and audio decoder |
| 06/08/2011 | CN102089812A Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| 06/08/2011 | CN102089811A Audio encoder and decoder for encoding and decoding audio samples |
| 06/08/2011 | CN102089810A Multi-reference LPC filter quantization and inverse quantization device and method |
| 06/08/2011 | CN102089809A Method, apparatus and computer program product for providing improved audio processing |
| 06/08/2011 | CN102089808A Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
| 06/08/2011 | CN102089807A Efficient use of phase information in audio encoding and decoding |
| 06/08/2011 | CN102089806A Noise filler, noise filling parameter calculator, method for providing a noise filling parameter, method for providing a noise-filled spectral representation of an audio signal, corresponding computer program and encoded audio signal |
| 06/08/2011 | CN102089803A Method and discriminator for classifying different segments of a signal |
| 06/08/2011 | CN102089758A Audio encoder and decoder for encoding and decoding frames of sampled audio signal |
| 06/08/2011 | CN101770776B Coding method and device, decoding method and device for instantaneous signal and processing system |
| 06/08/2011 | CN101599272B Keynote searching method and device thereof |
| 06/08/2011 | CN101425293B High-efficient sensing audio bit allocation method |
| 06/08/2011 | CN101292459B Method and apparatus for estimating voice quality |
| 06/08/2011 | CN101174412B Sound encoder and sound decoder |
| 06/07/2011 | US7957978 Method and terminal for encoding or decoding an analog signal |
| 06/07/2011 | US7957963 Voice transcoder |
| 06/07/2011 | US7957962 Fixed codebook searching apparatus and fixed codebook searching method |
| 06/07/2011 | US7957961 Method and apparatus for obtaining an attenuation factor |
| 06/07/2011 | US7957960 Audio time scale modification using decimation-based synchronized overlap-add algorithm |
| 06/07/2011 | CA2447735C Interoperable vocoder |
| 06/03/2011 | WO2011065741A2 Audio signal processing method and device |
| 06/03/2011 | WO2011064493A1 Encoding method and device with error correction suitable for transaction marking |
| 06/03/2011 | WO2011064055A1 Concealing audio interruptions |
| 06/03/2011 | WO2011063694A1 Hierarchical audio coding, decoding method and system |
| 06/03/2011 | WO2011063594A1 Audio encoding/decoding method and system of lattice-type vector quantizing |
| 06/03/2011 | WO2011021845A3 Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal |
| 06/03/2011 | WO2010040503A8 Audio decoder, audio encoder, method for decoding an audio signal, method for encoding an audio signal, computer program and audio signal |
| 06/02/2011 | US20110131047 Steganography in Digital Signal Encoders |
| 06/02/2011 | US20110129092 Reconstruction of multi-channel audio data |
| 06/01/2011 | EP2327156A1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening |
| 06/01/2011 | EP2327072A1 Audio signal transformatting |
| 06/01/2011 | EP1905034B1 Virtual source location information based channel level difference quantization and dequantization |
| 06/01/2011 | EP1364365B1 Acoustic communication system |
| 06/01/2011 | CN201853485U Audio signal compressing and sampling system |
| 06/01/2011 | CN1954364B Audio encoding with different coding frame lengths |
| 06/01/2011 | CN1873779B Speech coding/decoding apparatus and method |
| 06/01/2011 | CN102084418A Apparatus and method for adjusting spatial cue information of a multichannel audio signal |
| 06/01/2011 | CN102081928A Method for separating single-channel mixed voice based on compressed sensing and K-SVD |
| 06/01/2011 | CN102081927A Layering audio coding and decoding method and system |
| 06/01/2011 | CN102081926A Method and system for encoding and decoding lattice vector quantization audio |
| 06/01/2011 | CN101303858B Method and apparatus for implementing fundamental tone enhancement post-treatment |
| 06/01/2011 | CN101290772B Embedding and extracting method for audio zero water mark based on vector quantization of coefficient of mixed domain |
| 06/01/2011 | CN101266797B Post processing and filtering method for voice signals |
| 06/01/2011 | CN101171625B Data recording device and data file transmission method in the data recording device |
| 06/01/2011 | CN101091206B Audio encoding device and audio encoding method |
| 06/01/2011 | CN101086845B Sound coding device and method and sound decoding device and method |
| 06/01/2011 | CN101055721B Multi-sound channel digital audio encoding device and its method |
| 06/01/2011 | CN101044553B Scalable encoding apparatus, scalable decoding apparatus, and methods thereof |
| 06/01/2011 | CN101036183B Stereo compatible multi-channel audio coding/decoding method and device |
| 05/31/2011 | US7953605 Method and apparatus for audio encoding and decoding using wideband psychoacoustic modeling and bandwidth extension |
| 05/31/2011 | US7953604 Shape and scale parameters for extended-band frequency coding |
| 05/31/2011 | US7953595 Dual-transform coding of audio signals |
| 05/31/2011 | CA2602806C Methods and apparatus for encoding and decoding an highband portion of a speech signal |
| 05/26/2011 | WO2011062538A1 Bandwidth extension of a low band audio signal |