| 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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| 10/13/2009 | US7602922 Multi-channel encoder |
| 10/08/2009 | WO2009123412A1 Method for processing noisy speech signal, apparatus for same and computer-readable recording medium |
| 10/08/2009 | WO2009123409A2 Method and apparatus for generating additional information bit stream of multi-object audio signal |
| 10/08/2009 | WO2009122757A1 Stereo signal converter, stereo signal reverse converter, and methods for both |
| 10/08/2009 | WO2009122675A1 Variable length code decoding apparatus and method |
| 10/08/2009 | WO2009121499A1 Audio transform coding using pitch correction |
| 10/08/2009 | WO2009121298A1 A coding method, decoding method, system and device |
| 10/08/2009 | WO2009121280A1 An encoding method and apparatus, a decoding method and apparatus |
| 10/08/2009 | US20090254783 Information Signal Encoding |
| 10/08/2009 | US20090254352 Method and system for extracting audio features from an encoded bitstream for audio classification |
| 10/08/2009 | US20090254339 Multi band audio compressor dynamic level adjust in a communications device |
| 10/08/2009 | US20090254338 System and method for generating a separated signal |
| 10/08/2009 | US20090254335 Multilingual weighted codebooks |
| 10/08/2009 | US20090252477 Reproducing apparatus and reproducing method |
| 10/08/2009 | US20090252401 Methods, Objects and Apparatus Employing Machine Readable Data |
| 10/08/2009 | DE102005032724B4 Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen Method and apparatus for the artificial extension of the bandwidth of speech signals |
| 10/07/2009 | EP2107833A1 Audio wave field encoding |
| 10/07/2009 | EP2107753A1 Signal processing method and a signal processing network equipment for media enhancement |
| 10/07/2009 | EP2107557A2 Scalable decoding apparatus and method |
| 10/07/2009 | EP2107556A1 Audio transform coding using pitch correction |
| 10/07/2009 | EP2107555A2 Data structure, information processing apparatus, information processing method, transmitting apparatus, transmitting method, multiplexing apparatus, multiplexing method, and program |
| 10/07/2009 | EP2107554A1 Multilingual codebooks for speech recognition |
| 10/07/2009 | EP2107477A2 Summarizing reproduction device and summarizing reproduction method |
| 10/07/2009 | CN101553870A Device and method for postprocessing spectral values and encoder and decoder for audio signals |
| 10/07/2009 | CN101553869A Dynamic quantizer structures for efficient compression |
| 10/07/2009 | CN101553868A A method and an apparatus for processing an audio signal |
| 10/07/2009 | CN101553867A A method and an apparatus for processing an audio signal |
| 10/07/2009 | CN101553866A A method and an apparatus for processing an audio signal |
| 10/07/2009 | CN101553865A A method and an apparatus for processing an audio signal |
| 10/07/2009 | CN101552009A Quantitative method and apparatus in MP3 coding |
| 10/07/2009 | CN101552008A Coding method, coding device, decoding method and decoding device |
| 10/07/2009 | CN101552007A Multiple channel audio code |
| 10/07/2009 | CN101552006A Method for adjusting windowing signal MDCT domain energy and phase and device thereof |
| 10/07/2009 | CN101552005A Encoding method, decoding method, system and device |
| 10/06/2009 | US7599958 Data storing and searching method of a portable player |
| 10/06/2009 | US7599840 Selectively using multiple entropy models in adaptive coding and decoding |
| 10/06/2009 | US7599835 Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program |
| 10/06/2009 | US7599834 Method and apparatus of voice mixing for conferencing amongst diverse networks |
| 10/06/2009 | US7599833 Apparatus and method for coding residual signals of audio signals into a frequency domain and apparatus and method for decoding the same |
| 10/06/2009 | US7599832 Method and device for encoding speech using open-loop pitch analysis |
| 10/06/2009 | US7599518 Reversible watermarking using expansion, rate control and iterative embedding |
| 10/06/2009 | US7599291 Data-rate detection in CDMA systems |
| 10/06/2009 | CA2476248C System and method for reducing delay in a speech coding system |
| 10/06/2009 | CA2362270C Information processor, processing method therefor, and program storage medium |
| 10/01/2009 | WO2009118885A1 Receiving device and its controlling method, program, and storage medium |
| 10/01/2009 | WO2009118884A1 Transmitting device, receiving device, and content reproduction system |
| 10/01/2009 | WO2009118044A1 An audio signal classifier |
| 10/01/2009 | WO2009117967A1 Coding and decoding methods and devices |
| 10/01/2009 | US20090248406 Coding method, encoder, and computer readable medium |
| 10/01/2009 | US20090248405 Packet loss concealment for a sub-band predictive coder based on extrapolation of excitation waveform |
| 10/01/2009 | US20090248404 Lost frame compensating method, audio encoding apparatus and audio decoding apparatus |
| 10/01/2009 | US20090248403 Dereverberation apparatus, dereverberation method, dereverberation program, and recording medium |
| 10/01/2009 | US20090248402 Voice mixing method and multipoint conference server and program using the same method |
| 10/01/2009 | US20090245398 Method of Processing a Signal and Apparatus for Processing a Signal |
| 10/01/2009 | US20090245348 Method and apparatus for generating information signal to be recorded |
| 09/30/2009 | EP2106050A2 Audio matching system and method |
| 09/30/2009 | EP2105020A1 Method, apparatus, and medium for bandwidth extension encoding and decoding |
| 09/30/2009 | EP2105014A2 Receiver actions and implementations for efficient media handling |
| 09/30/2009 | EP2104936A2 Low-delay transform coding using weighting windows |
| 09/30/2009 | EP1872363B1 Quantization of speech and audio coding parameters using partial information on atypical subsequences |
| 09/30/2009 | EP1769491B1 Audio channel conversion |
| 09/30/2009 | EP1746751B1 Audio data receiving apparatus and audio data receiving method |
| 09/30/2009 | EP1616461B1 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 09/30/2009 | EP1057312B1 Cellular phone with expansion memory for audio and video storage |
| 09/30/2009 | CN101548555A Dropout concealment for a multi-channel arrangement |
| 09/30/2009 | CN101548320A Speech coding arrangement for communication networks |
| 09/30/2009 | CN101548319A Post filter and filtering method |
| 09/30/2009 | CN101548318A Encoding device, decoding device, and method thereof |
| 09/30/2009 | CN101548317A Adaptive sound source vector quantization unit and adaptive sound source vector quantization method |
| 09/30/2009 | CN101548316A Encoding device, decoding device, and method thereof |
| 09/30/2009 | CN101548315A Method, apparatus and computer program product for stereo coding |
| 09/30/2009 | CN101546560A Audio coding and decoding device and coding and decoding method |
| 09/30/2009 | CN101546559A Method for secretly writing and extracting secret information of compressed digital audio |
| 09/30/2009 | CN101546558A Multipath input audio mixing and exchanging method |
| 09/30/2009 | CN100546233C Multi sound channel AF expansion support method and equipment |
| 09/30/2009 | CN100545908C Method and device for compressed-domain packet loss concealment |
| 09/30/2009 | CN100545834C Feature-based audio content identification method and device |
| 09/29/2009 | US7596698 Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium |
| 09/29/2009 | US7596495 Current noise spectrum estimation method and apparatus with correlation between previous noise and current noise signal |
| 09/29/2009 | US7596493 System and method for supporting multiple speech codecs |
| 09/29/2009 | US7596492 Apparatus and method for concealing highband error in split-band wideband voice codec and decoding |
| 09/29/2009 | US7596491 Layered CELP system and method |
| 09/29/2009 | US7596490 Low bit-rate audio encoding |
| 09/29/2009 | US7596489 Transmission error concealment in an audio signal |
| 09/29/2009 | US7596488 System and method for real-time jitter control and packet-loss concealment in an audio signal |
| 09/29/2009 | US7596486 Encoding an audio signal using different audio coder modes |
| 09/24/2009 | WO2009116815A2 Apparatus and method for encoding and decoding using bandwidth extension in portable terminal |
| 09/24/2009 | WO2009116280A1 Stereo signal encoding device, stereo signal decoding device and methods for them |
| 09/24/2009 | WO2009116142A1 Information converting device and information converting method, and program for information conversion |
| 09/24/2009 | WO2009116141A1 Encoding device and encoding method, and program for encoding |
| 09/24/2009 | WO2009115211A2 Apparatus and method for converting an audio signal into a parameterized representation, apparatus and method for modifying a parameterized representation, apparatus and method for synthensizing a parameterized representation of an audio signal |
| 09/24/2009 | WO2009115039A1 Method and apparatus for noise generating |
| 09/24/2009 | WO2009115038A1 A generating method and device of background noise excitation signal |
| 09/24/2009 | WO2009115036A1 Background noise generating method and noise processing device |
| 09/24/2009 | WO2009115032A1 A voice signal processing method and device |
| 09/24/2009 | WO2009096741A3 Method and apparatus for encoding frequency, and method and apparatus for decoding frequency |
| 09/24/2009 | WO2009096717A3 Method and apparatus for encoding and decoding audio signal |
| 09/24/2009 | WO2009096715A3 Method and apparatus for coding and decoding of audio signal |
| 09/24/2009 | WO2009096713A3 Method and apparatus for coding and decoding of audio signal using adaptive lpc parameter interpolation |
| 09/24/2009 | US20090240509 Apparatus and method for encoding and decoding using bandwidth extension in portable terminal |