| 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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| 08/01/2002 | US20020101369 Redundant compression techniques for transmitting data over degraded communication links and/or storing data on media subject to degradation |
| 07/31/2002 | EP1227471A1 Apparatus and program for separating a desired sound from a mixed input sound |
| 07/31/2002 | EP1227391A1 Digital audio decoder in vehicular audio system with loadable decompression programm |
| 07/31/2002 | EP1226740A2 System and method for providing interactive audio in a multi-channel audio environment |
| 07/31/2002 | EP1226691A1 System for lost packet recovery in voice over internet protocol based on time domain interpolation |
| 07/31/2002 | EP1226578A1 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network |
| 07/31/2002 | EP1226577A1 Handling variable delay in objective speech quality assessment |
| 07/31/2002 | EP1226575A1 Speech recognition |
| 07/31/2002 | CN1361941A Spectrum modeling |
| 07/31/2002 | CN1361913A Method and apparatus for interleaving line spectral information quantization methods in a speech coder |
| 07/31/2002 | CN1361912A Method and apparatus for maintaining a target bit rate in a speech coder |
| 07/31/2002 | CN1361911A Method and apparatus for providing feedback from decoder to encoder to improve performance in a predictive speech coder under frame erasure conditions |
| 07/31/2002 | CN1361594A Equipment and method for coding frequency signal and computer program products |
| 07/31/2002 | CN1361532A Disassembling panel compression type digital music broadcasting machine |
| 07/30/2002 | US6427135 Method for encoding speech wherein pitch periods are changed based upon input speech signal |
| 07/30/2002 | US6427020 Methods and devices for recognizing banknotes and responding accordingly |
| 07/25/2002 | WO2002058053A1 Encoding method and decoding method for digital voice data |
| 07/25/2002 | WO2002058051A2 Method and device for producing a scalable data stream, and method and device for decoding a scalable data stream while taking a bit bank function into account |
| 07/25/2002 | WO2002033696B1 Method and system for estimating artificial high band signal in speech codec |
| 07/25/2002 | US20020099750 0.75-Power computing apparatus and method and program for use therewith |
| 07/25/2002 | US20020099548 Variable rate speech coding |
| 07/25/2002 | US20020099540 Modified vector generator |
| 07/25/2002 | US20020099538 Received speech signal processing apparatus and received speech signal reproducing apparatus |
| 07/25/2002 | US20020099537 Transmission system using an improved signal encoder and decoder |
| 07/25/2002 | US20020098852 Methods and apparatus for identifying as set location in communication networks |
| 07/25/2002 | US20020097323 Digital camera |
| 07/25/2002 | US20020097182 Methods and apparatus for identifying asset location in communication networks |
| 07/24/2002 | EP1225580A1 Adaptive storage of audio signals |
| 07/24/2002 | EP1225568A1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech |
| 07/24/2002 | EP1225543A2 HVQ-based filtering method |
| 07/24/2002 | EP1224663A1 A predictive speech coder using coding scheme selection patterns to reduce sensitivity to frame errors |
| 07/24/2002 | EP1224662A1 Variable bit-rate celp coding of speech with phonetic classification |
| 07/24/2002 | EP1224659A2 Complex signal activity detection for improved speech/noise classification of an audio signal |
| 07/24/2002 | EP1224569A1 Phrase-based dialogue modeling with particular application to creating recognition grammars for voice-controlled user interfaces |
| 07/24/2002 | EP1145227B1 Method and device for error concealment in an encoded audio-signal and method and device for decoding an encoded audio signal |
| 07/24/2002 | EP1058927B1 Speech coding including soft adaptability feature |
| 07/24/2002 | CN1360766A Method for preparing audio data in source code and transmitter and receiver for executing same |
| 07/24/2002 | CN1360716A Bidirectional pitch enhancement in speech coding systems |
| 07/24/2002 | CN1360303A Method for carrying out automatic interpretation in telephone communication, creating language library and writing interpretation codes |
| 07/23/2002 | US6425082 Watermark applied to one-dimensional data |
| 07/23/2002 | US6424942 Methods and arrangements in a telecommunications system |
| 07/23/2002 | US6424941 Adaptively compressing sound with multiple codebooks |
| 07/23/2002 | US6424940 Method and system for determining gain scaling compensation for quantization |
| 07/23/2002 | US6424939 Method for coding an audio signal |
| 07/23/2002 | US6424938 Complex signal activity detection for improved speech/noise classification of an audio signal |
| 07/23/2002 | US6424936 Block size determination and adaptation method for audio transform coding |
| 07/23/2002 | US6424822 Communication device and method of operation |
| 07/23/2002 | US6424725 Determining transformations of media signals with embedded code signals |
| 07/18/2002 | WO2002056556A2 Data-rate detection in cdma systems |
| 07/18/2002 | WO2002056301A1 Speech bandwidth extension |
| 07/18/2002 | WO2002056300A1 Parametric encoder and method for encoding an audio or speech signal |
| 07/18/2002 | WO2002056299A1 Parametric coding of an audio or speech signal |
| 07/18/2002 | WO2002056298A1 Linking of signal components in parametric encoding |
| 07/18/2002 | WO2002056297A1 Adaptive-block-length audio coder |
| 07/18/2002 | WO2002056296A1 Variable rate speech data compression |
| 07/18/2002 | WO2002042888A3 Device for storing and reproducing audio and/or video |
| 07/18/2002 | WO2002035521A3 Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
| 07/18/2002 | WO2001097560A3 Portable audio devices |
| 07/18/2002 | US20020095543 Storage medium, apparatus for creating recordation data therefor and apparatus for restoring recorded data |
| 07/18/2002 | US20020095297 Device and method for processing audio information |
| 07/18/2002 | US20020095285 Apparatus for encoding and apparatus for decoding speech and musical signals |
| 07/18/2002 | US20020095284 System of dynamic pulse position tracks for pulse-like excitation in speech coding |
| 07/18/2002 | US20020095283 Method and apparatus for subsampling phase spectrum information |
| 07/18/2002 | US20020094033 Method of storing or decoding a stream of bits |
| 07/17/2002 | EP1223677A2 Data compression and related control method |
| 07/17/2002 | EP1222761A1 Methods and systems for robust frame type protection in systems employing variable bit rates |
| 07/17/2002 | EP1222659A1 Lpc-harmonic vocoder with superframe structure |
| 07/17/2002 | EP1222658A1 Method and apparatus for identifying frequency bands to compute linear phase shifts between frame prototypes in a speech coder |
| 07/17/2002 | EP1222657A1 Method and apparatus for voice latency reduction in a voice-over-data wireless communication system |
| 07/17/2002 | EP1222531A1 Multiple instance implementation of speech codecs |
| 07/17/2002 | EP1222509A2 User-known and personally valuable encryption key |
| 07/17/2002 | EP1046153B1 A system and method for encoding voice while suppressing acoustic background noise |
| 07/17/2002 | EP0775360B1 Signal-processing method and device for substituting non-correctable blocks in a receiver for block-coded audio signals |
| 07/17/2002 | EP0713618B1 Transmission system for quasi-periodic signals |
| 07/17/2002 | CN1359513A Audio decoder and coding error compensating method |
| 07/17/2002 | CN1359220A Telecommunication device |
| 07/17/2002 | CN1359107A 数据再生装置 Data reproducing means |
| 07/16/2002 | US6421802 Method for masking defects in a stream of audio data |
| 07/16/2002 | US6421639 Apparatus and method for providing an excitation vector |
| 07/16/2002 | US6421638 Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device |
| 07/16/2002 | US6421445 Apparatus and methods for including codes in audio signals |
| 07/16/2002 | US6420849 Power generating device having a form factor suitable for insertion into a player device |
| 07/11/2002 | WO2002054744A1 Audio signal quality enhancement in a digital network |
| 07/11/2002 | WO2002054386A1 Voice encoding system, and voice encoding method |
| 07/11/2002 | WO2002054380A2 Injection high frequency noise into pulse excitation for low bit rate celp |
| 07/11/2002 | WO2002033697A3 Apparatus for bandwidth expansion of a speech signal |
| 07/11/2002 | WO2002007150B1 Watermarking technique for audio media |
| 07/11/2002 | WO2001099315A3 Method and apparatus for the compression and decompression of audio files using a chaotic system |
| 07/11/2002 | US20020091531 Technique for multi-rate coding of a signal containing information |
| 07/11/2002 | US20020091523 Spectral parameter substitution for the frame error concealment in a speech decoder |
| 07/11/2002 | US20020091514 Audio signal processing apparatus |
| 07/11/2002 | US20020090114 Watermark enabled video objects |
| 07/11/2002 | US20020090113 Methods for optimizing watermark detection |
| 07/11/2002 | US20020090112 Low visibility watermark using time decay fluorescence |
| 07/10/2002 | EP1221694A1 Voice encoder/decoder |
| 07/10/2002 | EP1221691A1 Device for data reproduction |
| 07/10/2002 | EP1221162A1 G.723.1 audio encoder |
| 07/10/2002 | CN1358301A Multi-mode voice encoding device and decoding device |
| 07/10/2002 | CN1358029A Modifying source material |
| 07/10/2002 | CN1357992A Data transmission system, device and method and data record device and medium |