| 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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| 05/26/2004 | CN1499485A Audio information changover method, program and device and video/audio format, coder |
| 05/26/2004 | CN1151705C Method and apparatus for encoding and decoding multiple audio channels at low bit rates |
| 05/26/2004 | CN1151492C Gain quanitzation method in analysis-by-synthesis linear predictive speech coding |
| 05/26/2004 | CN1151491C Audio encoding apparatus and encoding and decoding apparatus |
| 05/26/2004 | CN1151487C Decoding method, speech coding processing unit and network element |
| 05/25/2004 | US6741965 Differential stereo using two coding techniques |
| 05/25/2004 | US6741964 Data transfer system and data transfer method |
| 05/25/2004 | US6741960 Harmonic-noise speech coding algorithm and coder using cepstrum analysis method |
| 05/25/2004 | US6741871 Mobile phone with interactive printer |
| 05/25/2004 | US6741801 Signal compressing apparatus |
| 05/25/2004 | US6741681 Method for acquisition of data provided on an internet site and for data communication to an internet site |
| 05/25/2004 | US6741649 Coding apparatus for audio and picture signals |
| 05/21/2004 | WO2004042722A1 Mpeg audio encoding method and apparatus |
| 05/21/2004 | WO2004042702A1 Spectrogram reconstruction by means of a codebook |
| 05/21/2004 | WO2003092260A3 Method and apparatus for preserving matrix surround information in encoded audio/video |
| 05/20/2004 | US20040098431 Device and method for interpolating frequency components of signal |
| 05/20/2004 | US20040098268 MPEG audio encoding method and apparatus |
| 05/20/2004 | US20040098267 Coding device, decoding device, and methods thereof |
| 05/20/2004 | US20040098264 Method and apparatus for an interactive voice response system |
| 05/20/2004 | US20040098257 Method and apparatus for removing noise from audio frame data |
| 05/20/2004 | US20040098255 Generalized analysis-by-synthesis speech coding method, and coder implementing such method |
| 05/20/2004 | US20040098254 Focused search method of fixed codebook and apparatus thereof |
| 05/20/2004 | US20040098251 Speech coding |
| 05/20/2004 | US20040095939 Method and apparatus for telecommunications using internet protocol |
| 05/20/2004 | US20040094019 Apparatus for analyzing an audio signal with regard to rhythm information of the audio signal by using an autocorrelation function |
| 05/19/2004 | EP1420391A1 Generalized analysis-by-synthesis speech coding method, and coder implementing such method |
| 05/19/2004 | EP1420390A1 Interoperable vocoder |
| 05/19/2004 | EP1420389A1 Speech bandwidth extension apparatus and speech bandwidth extension method |
| 05/19/2004 | EP1419501A1 An encoder programmed to add a data payload to a compressed digital audio frame |
| 05/19/2004 | EP1419500A1 Reducing memory requirements of a codebook vector search |
| 05/19/2004 | EP1334484B1 Enhancing the performance of coding systems that use high frequency reconstruction methods |
| 05/19/2004 | DE69723412T2 Codierung einer vielzahl von datensignalen Coding a plurality of data signals |
| 05/19/2004 | DE10227431A1 Broadcasting system transmitting information as masked audio signal, divides spectrum of primary signal into bands and sub-bands for transmission of secondary signal |
| 05/19/2004 | CN1498404A Recording medium, recording method and device, reproduction method and device, data transmission method and data decipher method |
| 05/19/2004 | CN1498397A Method and device for reducing undesired packet generation |
| 05/19/2004 | CN1498396A Audio coding and decoding equipment and method thereof |
| 05/19/2004 | CN1498035A Voice-frequency information conversion method, program and equipment |
| 05/19/2004 | CN1497591A Voice code device and decode device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497590A Voice code device and decode device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497589A Voice code device and decode device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497588A Voice coding device and decoding device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497587A Voice coding device and decoding device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497586A Voice coding device and decoding device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497585A Voice coding device and decoding device, optical recording medium and voice transmission method |
| 05/19/2004 | CN1497486A 内容供应系统 Content Supply System |
| 05/19/2004 | CN1150556C Recording and reproducing device |
| 05/19/2004 | CN1150517C Phonetic codec chip capable of realizing impedance matching and mixed balance |
| 05/19/2004 | CN1150516C Voice coding method and voice coder |
| 05/19/2004 | CN1150448C Dictation and transcription appts |
| 05/18/2004 | US6738744 Watermark detection via cardinality-scaled correlation |
| 05/18/2004 | US6738739 Voiced speech preprocessing employing waveform interpolation or a harmonic model |
| 05/18/2004 | US6738733 G.723.1 audio encoder |
| 05/18/2004 | US6738495 Watermarking enhanced to withstand anticipated corruptions |
| 05/18/2004 | US6738428 Apparatus and methods for decoding a predictively encoded signal and removing granular noise |
| 05/18/2004 | US6738391 Method for enhancing voice quality in CDMA communication system using variable rate vocoder |
| 05/14/2004 | CA2448848A1 Generalized analysis-by-synthesis speed coding method, and coder implementing such method |
| 05/13/2004 | WO2004040927A2 Apparatus and method for tandem-free vocoder operation between non-compatible communication systems by extracting inter- or intrasystem tfo-information |
| 05/13/2004 | WO2004040830A1 Variable rate speech codec |
| 05/13/2004 | WO2004040555A1 Voice intensifier |
| 05/13/2004 | WO2004040554A1 Method for encoding digital audio using advanced psychoacoustic model and apparatus thereof |
| 05/13/2004 | WO2004040553A1 Bandwidth expanding device and method |
| 05/13/2004 | WO2004040552A1 Transcoder and coder conversion method |
| 05/13/2004 | WO2004008437A3 Audio coding |
| 05/13/2004 | WO2003083859A3 Watermark time scale searching |
| 05/13/2004 | US20040093396 Data distribution method, server, and terminal |
| 05/13/2004 | US20040093368 Method and apparatus for fixed codebook search with low complexity |
| 05/13/2004 | US20040093208 Audio coding method and apparatus |
| 05/13/2004 | US20040093207 Method and apparatus for coding an informational signal |
| 05/13/2004 | US20040093206 Interoperable vocoder |
| 05/13/2004 | US20040093205 Method and apparatus for coding gain information in a speech coding system |
| 05/13/2004 | US20040093204 Codebood search method in celp vocoder using algebraic codebook |
| 05/13/2004 | US20040093203 Method and apparatus for searching for combined fixed codebook in CELP speech codec |
| 05/13/2004 | DE10258472B3 Processing method for digital data values e.g. for industrial process control and regulation, employing prediction method in combination with RICE method |
| 05/13/2004 | CA2504175A1 Bandwidth expanding device and method |
| 05/13/2004 | CA2504174A1 Transcoder and code conversion method |
| 05/13/2004 | CA2503580A1 Apparatus and method for tandem-free vocoder operation between non-compatible communication systems by extracting inter- or intrasystem tfo-information |
| 05/12/2004 | EP1417842A1 Protection of streaming a/v data |
| 05/12/2004 | CN1496559A Speech bandwidth extension |
| 05/12/2004 | CN1496558A Method and device for determing quality of speech signal |
| 05/12/2004 | CN1496557A Data reproducer |
| 05/12/2004 | CN1496556A Sound encoding apparatus and method, and sound decoding apparatus and method |
| 05/12/2004 | CN1496555A Method and apparatus for encoding and decoding pause information |
| 05/12/2004 | CN1496007A 音频译码装置 Audio decoding means |
| 05/12/2004 | CN1495776A Voice coding device and decoding devie, optical recording medium and voice transmission method |
| 05/12/2004 | CN1495759A Method for receiving LPCM audio-frequency data using digital interface |
| 05/12/2004 | CN1495706A Sound source vector generator and sound coding device and sound decoding device |
| 05/12/2004 | CN1495705A Multichannel vocoder |
| 05/12/2004 | CN1495704A Sound encoding device and decoding device |
| 05/12/2004 | CN1495627A Electronic musical system and electronic music play method |
| 05/12/2004 | CN1149798C Digital transmission system for transmitting an additional signal such as a surround sigal |
| 05/12/2004 | CN1149575C Recording and/or reproducing apparatus and recording apparatus |
| 05/12/2004 | CN1149568C Signal-processing method and device for block-coded audio signals of audio communication system |
| 05/12/2004 | CN1149536C Noise suppressor |
| 05/12/2004 | CN1149535C Audio transmission system having an improved encoder |
| 05/12/2004 | CN1149534C Sound decoding device and sound decoding method |
| 05/11/2004 | US6735567 Encoding and decoding speech signals variably based on signal classification |
| 05/11/2004 | US6735561 Effective deployment of temporal noise shaping (TNS) filters |
| 05/11/2004 | US6735339 Multi-stage encoding of signal components that are classified according to component value |
| 05/11/2004 | US6735252 Encoding apparatus, decoding apparatus, decoding method, recording apparatus, recording method, reproducing apparatus, reproducing method, and record medium |
| 05/06/2004 | WO2004039096A1 Method and apparatus for dtmf detection and voice mixing in the celp parameter domain |