| Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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| 05/20/1997 | US5632004 Method and apparatus for encoding/decoding of background sounds |
| 05/14/1997 | CN1149739A Speed changeable voice signal regenerator |
| 05/13/1997 | US5630015 Speech signal processing apparatus for detecting a speech signal from a noisy speech signal |
| 05/13/1997 | US5630014 Gain controller with automatic adjustment using integration energy values |
| 05/02/1997 | EP0770254A2 Transmission system and method for encoding speech with improved pitch detection |
| 04/23/1997 | EP0476614B1 Speech coding and decoding system |
| 04/23/1997 | CN1148231A Method of and apparatus for discriminating non-sounds and voiceless sounds of speech signals |
| 04/16/1997 | EP0767950A2 Method and device for adapting a speech recognition equipment for dialectal variations in a language |
| 04/15/1997 | US5621854 Method and apparatus for objective speech quality measurements of telecommunication equipment |
| 04/15/1997 | US5621850 Speech signal processing apparatus for cutting out a speech signal from a noisy speech signal |
| 04/08/1997 | US5619566 Voice activity detector for an echo suppressor and an echo suppressor |
| 04/02/1997 | EP0766468A2 Method and system for inserting a spread spectrum watermark into multimedia data |
| 04/01/1997 | US5617505 Speech signal processing apparatus for cutting out a speech signal from a noisy speech signal |
| 03/20/1997 | WO1997010586A1 System for adaptively filtering audio signals to enhance speech intelligibility in noisy environmental conditions |
| 03/20/1997 | CA2231107A1 System for adaptively filtering audio signals to enhance speech intelligibility in noisy environmental conditions |
| 03/19/1997 | EP0763818A2 Formant emphasis method and formant emphasis filter device |
| 03/19/1997 | EP0763813A1 Speech signal processing apparatus for detecting a speech signal from a noisy speech signal |
| 03/19/1997 | EP0763812A1 Speech signal processing apparatus for detecting a speech signal from a noisy speech signal |
| 03/19/1997 | EP0763811A1 Speech signal processing apparatus for detecting a speech signal from a noisy speech signal |
| 03/19/1997 | EP0763810A1 Speech signal processing apparatus for detecting a speech signal from a noisy speech signal |
| 03/12/1997 | EP0762380A2 Pitch detection apparatus and method for acoustic waveform |
| 03/06/1997 | WO1997008684A1 Pattern recognition |
| 03/05/1997 | EP0760150A1 Computer system and computer-implemented process for phonology-based automatic speech recognition |
| 02/13/1997 | WO1997005730A1 Assessment of signal quality |
| 02/12/1997 | EP0757866A1 Analogue signal coder |
| 01/30/1997 | WO1996036041A3 Transmission system and method for encoding speech with improved pitch detection |
| 01/28/1997 | US5598506 Apparatus and a method for concealing transmission errors in a speech decoder |
| 01/21/1997 | US5596678 Lost frame concealment |
| 01/09/1997 | WO1997001101A1 A power spectral density estimation method and apparatus |
| 01/09/1997 | CA2224680A1 A power spectral density estimation method and apparatus |
| 01/03/1997 | WO1997000515A1 Method and arrangement for determining a pitch frequency in an acoustic signal |
| 01/02/1997 | EP0751495A2 Method and device for coding speech |
| 12/11/1996 | EP0747879A1 Voice signal coding system |
| 12/10/1996 | US5583961 Speaker recognition using spectral coefficients normalized with respect to unequal frequency bands |
| 12/10/1996 | US5583784 Frequency analysis method |
| 11/26/1996 | US5579435 Discriminating between stationary and non-stationary signals |
| 11/26/1996 | US5579432 Discriminating between stationary and non-stationary signals |
| 11/14/1996 | WO1996036041A2 Transmission system and method for encoding speech with improved pitch detection |
| 11/06/1996 | EP0741471A1 Non-intrusive measurement of telephone transmission line quality |
| 11/05/1996 | US5572622 Rejected frame concealment |
| 10/24/1996 | WO1996028808A3 Method of detecting a pause between two signal patterns on a time-variable measurement signal |
| 09/19/1996 | WO1996028953A1 Signal quality determining device and method |
| 09/19/1996 | WO1996028952A1 Signal quality determining device and method |
| 09/19/1996 | WO1996028950A1 Signal quality determining device and method |
| 09/19/1996 | WO1996028809A1 Arrangement and method relating to speech transmission and a telecommunications system comprising such arrangement |
| 09/19/1996 | WO1996028808A2 Method of detecting a pause between two signal patterns on a time-variable measurement signal |
| 09/18/1996 | EP0732687A2 Apparatus for expanding speech bandwidth |
| 09/12/1996 | DE19508711A1 Verfahren zur Erkennung einer Signalpause zwischen zwei Mustern, welche in einem zeitvarianten Meßsignal vorhanden sind A method for identifying a signal pause between two patterns which are present in a time variant measurement signal |
| 09/11/1996 | EP0730798A1 Method and apparatus for testing telecommunications equipment |
| 09/11/1996 | CN1130961A Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
| 09/11/1996 | CN1130952A 语言活动性检测器 Language activity detector |
| 09/10/1996 | US5555546 Apparatus for decoding a DPCM encoded signal |
| 08/22/1996 | WO1996025733A1 Voice activity detection |
| 08/14/1996 | EP0550657B1 A method of, and system for, coding analogue signals |
| 08/08/1996 | WO1996016533A3 Method for transforming a speech signal using a pitch manipulator |
| 08/07/1996 | EP0725384A2 Adaptive transform coding |
| 07/24/1996 | EP0723258A1 Speech encoder with features extracted from current and previous frames |
| 07/17/1996 | EP0722161A2 Method for pitch recognition, in particular for musical instruments which are excited by plucking or striking |
| 07/11/1996 | WO1996021220A1 Speech coding method using synthesis analysis |
| 07/11/1996 | WO1996021218A1 Speech coding method using synthesis analysis |
| 07/11/1996 | CA2209623A1 Speech coding method using synthesis analysis |
| 07/03/1996 | EP0719439A1 Voice activity detector |
| 07/03/1996 | CN1126004A Method and device for encoding information, method and device for decoding information, information transmitting method, and information recording medium |
| 06/26/1996 | EP0718820A2 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus |
| 06/18/1996 | US5528725 Method and apparatus for recognizing speech by using wavelet transform and transient response therefrom |
| 06/06/1996 | WO1996017341A1 Method for forming a cohort for use in identification of an individual |
| 06/06/1996 | WO1996016533A2 Method for transforming a speech signal using a pitch manipulator |
| 06/06/1996 | CA2206628A1 Method for forming a cohort for use in identification of an individual |
| 06/05/1996 | DE4442613A1 Mobile radio communications network quality monitoring system |
| 06/04/1996 | US5524173 Process and device for musical and vocal dynamic sound synthesis by non-linear distortion and amplitude modulation |
| 05/29/1996 | EP0714173A1 Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
| 05/22/1996 | EP0713295A1 Method and device for encoding information, method and device for decoding information, information transmitting method, and information recording medium |
| 05/15/1996 | EP0712116A2 A robust pitch estimation method and device using the method for telephone speech |
| 04/24/1996 | CN1120965A Game apparatus, voice selection apparatus, voice recognition apparatus and voice response apparatus |
| 04/16/1996 | CA2034333C Voice signal processing device |
| 04/16/1996 | CA1338251C Adaptive multivariate estimating apparatus |
| 04/10/1996 | EP0705501A1 Method and apparatus for testing telecommunications equipment using a reduced redundancy test signal |
| 04/04/1996 | WO1996010248A1 A system and method for determining the tone of a syllable of mandarin chinese speech |
| 03/27/1996 | EP0703570A1 Speech analysis |
| 03/13/1996 | EP0472578B1 Apparatus and methods for the generation of stabilised images from waveforms |
| 03/07/1996 | WO1996007177A1 Apparatus and method for detecting speech in the presence of other sounds |
| 03/05/1996 | CA2051304C Speech coding and decoding system |
| 02/29/1996 | WO1996006496A1 Analysis of audio quality |
| 02/29/1996 | WO1996006495A1 Test method |
| 02/22/1996 | WO1996000962A3 Method and device for adapting a speech recognition equipment for dialectal variations in a language |
| 02/21/1996 | EP0697125A1 Process for vector quantization, especially of voice signals |
| 02/21/1996 | EP0697124A1 Vector coding process, especially for voice signals |
| 02/07/1996 | EP0696026A2 Speech coding device |
| 02/06/1996 | US5490231 Noise signal prediction system |
| 02/01/1996 | WO1996002911A1 Speech detection device |
| 01/31/1996 | CN1116011A Discriminating between stationary and non-stationary signals |
| 01/17/1996 | EP0692883A1 Blind equalisation method, and its application to speech recognition |
| 01/11/1996 | WO1996000962A2 Method and device for adapting a speech recognition equipment for dialectal variations in a language |
| 01/10/1996 | EP0691640A2 Adaptive training method for pattern recognition |
| 01/10/1996 | EP0691024A1 A method and apparatus for speaker recognition |
| 01/10/1996 | EP0691022A1 Speech recognition with pause detection |
| 01/09/1996 | US5483617 Elimination of feature distortions caused by analysis of waveforms |
| 12/27/1995 | CN1114122A A voice activity detector for an echo suppressor and an echo suppressor |
| 12/26/1995 | US5479560 Formant detecting device and speech processing apparatus |
| 12/21/1995 | WO1995034956A1 Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |