Patents
Patents for G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding (429)
12/2004
12/16/2004WO2004072948A3 Class quantization for distributed speech recognition
12/15/2004EP1485790A2 Voice-controlled data entry
11/2004
11/25/2004WO2004102528A1 Audio electronic watermarking device
11/25/2004WO2004064039A3 Method and apparatus for artificial bandwidth expansion in speech processing
11/18/2004WO2004100126A2 Method for statistical language modeling in speech recognition
11/11/2004WO2004097791A2 Methods and systems for creating a second generation session file
11/04/2004WO2004095420A2 System and method for combined frequency-domain and time-domain pitch extraction for speech signals
11/04/2004US20040220813 Method for statistical language modeling in speech recognition
10/2004
10/21/2004WO2004090865A2 System and method for combined frequency-domain and time-domain pitch extraction for speech signals
10/20/2004CN1172293C Efficient spectral envelope coding method and its coding-decoding equipment
10/13/2004EP0864146B1 Multi-channel predictive subband coder using psychoacoustic adaptive bit allocation
10/06/2004EP1062657A4 A system and method for providing split vector quantization data coding
09/2004
09/30/2004US20040193407 System and method for combined frequency-domain and time-domain pitch extraction for speech signals
09/30/2004US20040192384 Method and apparatus for selective distributed speech recognition
09/09/2004US20040176954 Presentation of data based on user input
09/08/2004EP1455268A2 Presentation of data based on user input
09/05/2004CA2459030A1 Presentation of data based on user input
09/01/2004EP1453231A1 Voice-coding-and-transmission system
08/2004
08/26/2004WO2004072948A2 Class quantization for distributed speech recognition
08/19/2004WO2004070701A2 Linguistic prosodic model-based text to speech
08/12/2004US20040158461 Class quantization for distributed speech recognition
07/2004
07/29/2004WO2004064039A2 Method and apparatus for artificial bandwidth expansion in speech processing
07/22/2004WO2004061820A2 Method and apparatus for selective distributed speech recognition
07/22/2004WO2004036543A3 Methods and apparatus for audio data monitoring and evaluation using speech recognition
07/15/2004WO2004025623A3 System and method of media file access and retrieval using speech recognition
07/15/2004US20040138876 Method and apparatus for artificial bandwidth expansion in speech processing
07/14/2004EP1216474B1 Efficient spectral envelope coding using variable time/frequency resolution
05/2004
05/27/2004DE19604273C5 Verfahren und Vorrichtung zum Durchführen einer Suche in einem Kodebuch im Hinblick auf das Kodieren eines Klangsignales, Zellkommunikationssystem, Zellnetzwerkelement und mobile Zell-Sender-/Empfänger-Einheit Method and device for conducting a search in a codebook in view of encoding a sound signal, cell communication system cell network element and mobile cell transmitter / receiver unit
05/19/2004CN1150515C Speech recognition method and device
05/13/2004US20040093208 Audio coding method and apparatus
05/12/2004CN1495705A Multichannel vocoder
04/2004
04/29/2004WO2004036543A2 Methods and apparatus for audio data monitoring and evaluation using speech recognition
04/28/2004CN1492395A Variable speed sounder
04/13/2004US6721700 Audio coding method and apparatus
04/08/2004WO2003058604B1 Method and apparatus for multi-level distributed speech recognition
03/2004
03/31/2004CN1144177C Method and apparatus for eight-rate random number generation for speech coders
03/31/2004CN1144176C Automated transcription system and method using two speech converting instances and computer-assisted correction
03/25/2004WO2004025623A2 System and method of media file access and retrieval using speech recognition
03/18/2004WO2004023455A2 Methods, systems, and programming for performing speech recognition
03/18/2004WO2003098596A3 Voice activity detection
03/18/2004US20040054541 System and method of media file access and retrieval using speech recognition
03/11/2004WO2003071519A3 Voice-controlled data entry
03/11/2004US20040049388 Methods, systems, and programming for performing speech recognition
02/2004
02/11/2004EP0917710B1 Method and apparatus for searching an excitation codebook in a code excited linear prediction (celp) coder
01/2004
01/21/2004CN1135721C Audio signal coding method and relative equipment thereof
01/14/2004CN1134766C System, method and mobile phone for reducing signal noise by frequency spectrum subtraction
12/2003
12/24/2003CN1132155C 确定语音编码参数的方法和设备 The method and apparatus of determining the speech coding parameters
12/24/2003CN1132151C Multi-channel sound decoder
11/2003
11/27/2003WO2003098596A2 Voice activity detection
11/27/2003CA2485644A1 Voice activity detection
11/20/2003US20030216909 Voice activity detection
10/2003
10/15/2003CN1124589C Method and apparatus for searching excitation codebook in code excited linear prediction (CELP) coder
10/01/2003EP1080463B1 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
09/2003
09/17/2003CN1121680C Speech sound recognition
08/2003
08/28/2003WO2003071519A2 Voice-controlled data entry
08/27/2003EP1225568B1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
08/27/2003CN1119796C Rate changeable sonic code device
08/21/2003US20030158736 Voice-controlled data entry
08/06/2003CN1117346C Method and device for coding discrete signals or for decoding coded discrete signals
07/2003
07/24/2003US20030139924 Method and apparatus for multi-level distributed speech recognition
07/17/2003WO2003058604A1 Method and apparatus for multi-level distributed speech recognition
07/02/2003CN1113331C Method and apparatus for extracting pitch nd pitch difference
07/01/2003US6587817 Method and apparatus for determining speech coding parameters
06/2003
06/25/2003CN1112673C Rate changeable vocoder
06/17/2003CA2267219C Differential coding for scalable audio coders
04/2003
04/16/2003CN1410970A Algebraic code block of selective signal pulse amplitude for quickly speech encoding
04/10/2003WO2003010751A3 Apparatus for establishing signal coupling between a signal line and an antenna structure
02/2003
02/19/2003CN1398052A Rate variable voice coder
02/06/2003WO2003010751A2 Apparatus for establishing signal coupling between a signal line and an antenna structure
01/2003
01/28/2003US6512488 Apparatus for establishing signal coupling between a signal line and an antenna structure
01/08/2003EP0808496B1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
11/2002
11/28/2002US20020175877 Apparatus for establishing signal coupling between a signal line and an antenna structure
11/27/2002CN1381956A Changable rate vocoder
11/26/2002US6487535 Multi-channel audio encoder
10/2002
10/30/2002CN1377499A Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
10/09/2002EP1095372B1 Automatic speech recognition
10/01/2002US6459914 Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging
09/2002
09/25/2002CN1091535C Method, apparatus and circuit for compressing voice signal into variable rate data
09/11/2002EP1239456A1 Variable rate vocoder
08/2002
08/01/2002WO2001003110A9 Off-site detention monitoring system
07/2002
07/24/2002EP1225568A1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
06/2002
06/26/2002EP1216474A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
05/2002
05/14/2002US6389395 System and method for generating a phonetic baseform for a word and using the generated baseform for speech recognition
05/01/2002CN1347548A Speech synthesizer based on variable rate speech coding
04/2002
04/17/2002EP1183680A4 Automated transcription system and method using two speech converting instances and computer-assisted correction
04/09/2002US6370507 Frequency-domain scalable coding without upsampling filters
03/2002
03/20/2002CN1341255A Automated transcription system and method using two speech converting instances and computer-assisted correction
03/06/2002EP1183680A1 Automated transcription system and method using two speech converting instances and computer-assisted correction
03/06/2002CN1339151A Method and apparatus for eight-rate random number generation for speech coders
02/2002
02/20/2002CN1337042A Method and apparatus for determining speech coding parameters
01/2002
01/22/2002CA2211636C Speech recognition
01/01/2002CA2202656C Speech recognition
12/2001
12/12/2001EP1162601A2 Variable rate vocoder
12/05/2001EP1159739A1 Method and apparatus for eighth-rate random number generation for speech coders
12/05/2001EP1159738A1 Speech synthesizer based on variable rate speech coding
11/2001
11/14/2001EP0588932B1 Variable rate vocoder
10/2001
10/18/2001WO2000046795A9 Speech synthesizer based on variable rate speech coding
10/17/2001EP1145221A2 A method and apparatus for determining speech coding parameters
10/11/2001WO2000046796A9 Method and apparatus for eighth-rate random number generation for speech coders
10/04/2001EP0813735B1 Speech recognition
1 2 3 4 5