G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding

More topics under "G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding" (100,770)
G10L 13 - Speech synthesis; Text to speech systems (9,804)
G10L 15 - Speech recognition (31,055)
G10L 17 - Speaker identification or verification (4,008)
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)
G10L 21 - Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (18,985)
G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910)
G10L 99 - Subject matter not provided for in other groups of this subclass (48)

Patents for G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding (429)
09/2001
09/19/2001	EP0966793B1 Audio coding method and apparatus
09/19/2001	EP0864146A4 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
09/11/2001	CA2331611C Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
08/2001
08/29/2001	EP0962015B1 Method and devices for coding discrete signals or for decoding coded discrete signals
08/29/2001	CN1310840A Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
08/22/2001	EP1126437A2 Variable rate vocoder
07/2001
07/12/2001	US20010007974 Method and apparatus for eighth-rate random number generation for speech coders
06/2001
06/13/2001	EP1107231A2 Variable rate decoder
05/2001
05/02/2001	EP1095372A1 Automatic speech recognition
05/01/2001	US6226607 Method and apparatus for eighth-rate random number generation for speech coders
04/2001
04/12/2001	WO2001026095A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
04/05/2001	WO2001003110A3 Off-site detention monitoring system
03/2001
03/07/2001	EP1080463A1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
01/2001
01/30/2001	US6181423 Linear encoder providing engagement by engraving
01/11/2001	WO2001003110A2 Off-site detention monitoring system
12/2000
12/27/2000	EP1062657A2 A system and method for providing split vector quantization data coding
12/14/2000	WO2000046787A3 System and method for automating transcription services
09/2000
09/21/2000	WO2000021072A3 Linear encoder providing engagement by engraving
08/2000
08/24/2000	WO2000049601A1 Automated transcription system and method using two speech converting instances and computer-assisted correction
08/17/2000	WO2000048168A2 Adaptive noise filter
08/10/2000	WO2000046796A1 Method and apparatus for eighth-rate random number generation for speech coders
08/10/2000	WO2000046795A1 Speech synthesizer based on variable rate speech coding
08/10/2000	WO2000046787A2 System and method for automating transcription services
08/10/2000	CA2362462A1 System and method for automating transcription services
07/2000
07/13/2000	WO2000041163A2 A method and apparatus for determining speech coding parameters
04/2000
04/13/2000	WO2000021072A2 Linear encoder providing engagement by engraving
03/2000
03/08/2000	EP0797824B1 Speech processing
01/2000
01/27/2000	WO2000004533A1 Automatic speech recognition
01/05/2000	EP0789901B1 Speech recognition
12/1999
12/29/1999	EP0966793A1 Audio coding method and apparatus
12/28/1999	US6009385 Speech processing
12/08/1999	EP0962015A1 Method and devices for coding discrete signals or for decoding coded discrete signals
12/07/1999	US5999902 Speech recognition incorporating a priori probability weighting factors
12/02/1999	WO1999062053A1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
11/1999
11/10/1999	CN1234897A Method and device for coding discrete signals or for decoding coded discrete signals
11/02/1999	US5978762 Digitally encoded machine readable storage media using adaptive bit allocation in frequency, time and over multiple channels
10/1999
10/26/1999	US5974380 Multi-channel audio decoder
10/21/1999	WO1999041736A3 A system and method for providing split vector quantization data coding
09/1999
09/22/1999	CN1229502A Method and apparatus for searching excitation codebook in code excited linear prediction (CELP) coder
09/21/1999	US5956674 Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
09/21/1999	CA2166883C Synthesising speech by converting phonemes to digital waveforms
08/1999
08/19/1999	WO1999041736A2 A system and method for providing split vector quantization data coding
05/1999
05/26/1999	EP0917710A1 Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder
02/1999
02/17/1999	CN1208489A Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
02/16/1999	US5873058 Voice coding-and-transmission system with silent period elimination
10/1998
10/14/1998	CN1195930A Audio signal coding method and apparatus
09/1998
09/24/1998	WO1998042083A1 Audio coding method and apparatus
09/17/1998	DE19811039A1 Verfahren und Vorrichtungen zum Codieren und Decodieren von Audiosignalen Methods and apparatuses for encoding and decoding of audio signals
09/16/1998	EP0864146A1 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
08/1998
08/27/1998	WO1998037544A1 Method and devices for coding discrete signals or for decoding coded discrete signals
07/1998
07/07/1998	US5778338 Apparatus for masking frame errors
06/1998
06/24/1998	EP0712529B1 Synthesising speech by converting phonemes to digital waveforms
05/1998
05/20/1998	CN1182260A Method and apparatus for extracting pitch and pitch difference
05/19/1998	US5754976 Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
05/12/1998	US5751901 Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
05/06/1998	CN1181150A Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
04/1998
04/01/1998	CN1178023A Speech recognition device
02/1998
02/05/1998	WO1998005030A1 Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder
02/05/1998	CA2261956A1 Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder
01/1998
01/21/1998	EP0820052A2 Voice-coding-and-transmission system
01/15/1998	DE19706516C1 Encoding method for discrete signals and decoding of encoded discrete signals
12/1997
12/29/1997	EP0813735A1 Speech recognition
12/10/1997	CN1167309A Rate changeable sonic code device
11/1997
11/26/1997	EP0808496A1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
10/1997
10/15/1997	CN1162365A Speech sound recognition
10/07/1997	CA2088080C Automatic speech recognizer
10/01/1997	EP0797824A1 Speech processing
09/1997
09/17/1997	CN1159639A Rate changeable vocoder
08/1997
08/20/1997	EP0789901A1 Speech recognition
08/12/1997	US5657420 Variable rate vocoder
08/03/1997	WO1996024925A1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
06/1997
06/12/1997	WO1997021211A1 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
05/1997
05/13/1997	CA2122575C Speaker independent isolated word recognition system using neural networks
05/07/1997	EP0418252B1 Stereo synthesizer and corresponding method
10/1996
10/15/1996	US5566270 Speaker independent isolated word recognition system using neural networks
09/1996
09/17/1996	CA2032520C Excitation pulse positioning method in a linear predictive speech coder
09/12/1996	WO1996027872A1 Speech recognition
08/1996
08/29/1996	DE19604273A1 Algebraisches Kodebuch mit signal-ausgewählten Impulsamplituden zur schnellen Kodierung von Sprache Algebraic codebook with signal-selected pulse amplitudes for fast encoding of speech
06/1996
06/20/1996	WO1996018996A1 Speech processing
05/1996
05/22/1996	EP0712529A1 Synthesising speech by converting phonemes to digital waveforms
05/09/1996	WO1996013827A1 Speech recognition
09/1995
09/05/1995	CA2025455C Speech coding system with generation of linear predictive coding parameters and control codes from a digital speech signal
05/1995
05/09/1995	US5414796 Method of speech signal compression
03/1995
03/07/1995	CA1334690C Speech coder with coded amplitudes multiplied by factors dependent on pulse position
02/1995
02/16/1995	WO1995004988A1 Synthesising speech by converting phonemes to digital waveforms
11/1994
11/09/1994	EP0623914A1 Speaker independent isolated word recognition system using neural networks
07/1994
07/12/1994	US5329608 Automatic speech recognizer
05/1994
05/04/1994	EP0595541A1 Speech recognition system
05/01/1994	CA2107317A1 Speech recognition system
03/1994
03/30/1994	EP0588932A1 Variable rate vocoder
03/29/1994	US5299281 Method and apparatus for converting a digital speech signal into linear prediction coding parameters and control code signals and retrieving the digital speech signal therefrom
10/1993
10/06/1993	EP0564166A2 Automatic speech recognizer
05/1993
05/26/1993	CN1020975C Excitation pulse positioning method in a linear predictive speech coder
04/1993
04/14/1993	CN1071036A Variable rate vocoder
03/1993
03/09/1993	US5193140 Excitation pulse positioning method in a linear predictive speech coder
12/1992
12/23/1992	WO1992022891A1 Variable rate vocoder
12/23/1992	CA2635914A1 Error masking in a variable rate vocoder
04/1992
04/21/1992	CA1299111C Stereo synthesizer
10/1991
10/15/1991	US5058165 Speech excitation source coder with coded amplitudes multiplied by factors dependent on pulse position
03/1991
03/27/1991	EP0418958A2 Method and device for converting an analog input signal into control codes and for synthesizing a corresponding output signal under the control of those control codes

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