| Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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| 10/18/2001 | WO2001078063A1 Method and device for the determination of prosodic markers |
| 10/18/2001 | WO2001078062A1 Pitch estimation in speech signal |
| 10/18/2001 | WO2001078061A1 Pitch estimation in a speech signal |
| 10/18/2001 | WO2001077635A1 Estimating the pitch of a speech signal using a binary signal |
| 10/18/2001 | DE10018134A1 Determining prosodic markings for text-to-speech systems - using neural network to determine prosodic markings based on linguistic categories such as number, verb, verb particle, pronoun, preposition etc. |
| 10/17/2001 | EP1145225A1 Tone features for speech recognition |
| 10/17/2001 | CN1318188A Audio signal transmission system |
| 10/11/2001 | US20010029447 Method of estimating the pitch of a speech signal using previous estimates, use of the method, and a device adapted therefor |
| 10/10/2001 | EP1143414A1 Estimating the pitch of a speech signal using previous estimates |
| 10/10/2001 | EP1143413A1 Estimating the pitch of a speech signal using an average distance between peaks |
| 10/10/2001 | EP1143412A1 Estimating the pitch of a speech signal using an intermediate binary signal |
| 10/10/2001 | EP1141944A2 Method and arrangement for finding an optimal reconstruction point |
| 10/10/2001 | EP1141937A1 Method and apparatus for decreasing storage requirements for a voice recording system |
| 10/02/2001 | US6298323 Computer voice recognition method verifying speaker identity using speaker and non-speaker data |
| 09/26/2001 | CN1315033A Signal processing techniques for time-scale and/or pitch modification of audio signals |
| 09/26/2001 | CN1315032A Method for executing automatic evaluation of transmission quality of audio signals |
| 09/20/2001 | US20010023396 Method and apparatus for hybrid coding of speech at 4kbps |
| 09/18/2001 | US6292775 Speech processing system using format analysis |
| 09/12/2001 | EP0882287B1 System and method for error correction in a correlation-based pitch estimator |
| 09/11/2001 | US6289305 Method for analyzing speech involving detecting the formants by division into time frames using linear prediction |
| 09/07/2001 | WO2001065543A1 Compensation for linear filtering using frequency weighting factors |
| 09/04/2001 | US6285979 Phoneme analyzer |
| 08/30/2001 | WO2001063598A1 Speech processing with hmm trained on tespar parameters |
| 08/30/2001 | US20010018655 Method of determining the voicing probability of speech signals |
| 08/30/2001 | CA2400616A1 Speech processing with hmm trained on tespar parameters |
| 08/29/2001 | EP1128360A2 Method for optimizing the acoustic quality of an acoustic signal on the basis of psyscho-acoustic parameters |
| 08/29/2001 | EP1127349A1 Signal processing techniques for time-scale and/or pitch modification of audio signals |
| 08/29/2001 | EP0770254B1 Transmission system and method for encoding speech with improved pitch detection |
| 08/29/2001 | CN1310839A Interval normalization device for voice recognition input voice |
| 08/22/2001 | EP1125283A1 Method for quantizing speech coder parameters |
| 08/16/2001 | US20010014854 Voice activity detection method and device |
| 08/14/2001 | US6275795 Apparatus and method for normalizing an input speech signal |
| 08/09/2001 | US20010012996 Speech detection device having two switch-off criterions |
| 08/07/2001 | US6272459 Voice signal coding apparatus |
| 08/07/2001 | US6271771 Hearing-adapted quality assessment of audio signals |
| 08/02/2001 | WO2001056015A1 Speech detection device having two switch-off criterions |
| 08/01/2001 | EP1119844A1 A method of speech processing and an apparatus for processing of speech |
| 07/26/2001 | US20010010037 Adaptive speech rate conversion without extension of input data duration, using speech interval detection |
| 07/24/2001 | US6266003 Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals |
| 07/19/2001 | WO2001052600A1 Method and device for determining the quality of a signal |
| 07/18/2001 | EP1116216A1 Method and device for detecting voice activity |
| 07/18/2001 | EP1046155B1 Signal processing |
| 07/17/2001 | US6263306 Speech processing technique for use in speech recognition and speech coding |
| 07/12/2001 | WO2001050458A1 Subband adpcm voice encoding and decoding |
| 07/12/2001 | DE19860133A1 Speech compression involves transmitting reference indices instead of elementary signals or spectra if defined level of correlation achieved in transmitter compression module |
| 07/04/2001 | EP1113421A1 Voice recognition process and device, and remote control device associated therewith |
| 06/27/2001 | EP1111586A2 Method and apparatus for speech coding with voiced/unvoiced determination |
| 06/27/2001 | EP1110208A1 Waveform coding method |
| 06/27/2001 | CN1301007A Method and device for voice identification concerned with remote controller |
| 06/26/2001 | US6253171 Method of determining the voicing probability of speech signals |
| 06/13/2001 | EP0852052B1 System for adaptively filtering audio signals to enhance speech intelligibility in noisy environmental conditions |
| 06/07/2001 | WO2001041127A1 Determination of the time relation between speech signals affected by time warping |
| 06/06/2001 | EP1104924A1 Determination of the time relation between speech signals affected by time warping |
| 05/31/2001 | WO2001039179A1 System and method for speech recognition using tonal modeling |
| 05/29/2001 | US6240381 Apparatus and methods for detecting onset of a signal |
| 05/29/2001 | CA2209384C Speech coding method using synthesis analysis |
| 05/23/2001 | EP1102240A1 Interval normalization device for voice recognition input voice |
| 05/23/2001 | EP0804787B1 Method and device for resynthesizing a speech signal |
| 05/22/2001 | US6236970 Adaptive speech rate conversion without extension of input data duration, using speech interval detection |
| 05/22/2001 | US6236965 Method for automatically generating pronunciation dictionary in speech recognition system |
| 05/17/2001 | WO2001035393A1 Non-intrusive speech-quality assessment |
| 05/17/2001 | WO2001035389A1 Tone features for speech recognition |
| 05/17/2001 | CA2388691A1 Non-intrusive speech-quality assessment |
| 05/16/2001 | EP1099216A1 Audio signal time scale modification |
| 05/16/2001 | EP1099215A1 Audio signal transmission system |
| 05/15/2001 | US6233550 Method and apparatus for hybrid coding of speech at 4kbps |
| 05/10/2001 | WO2001033550A1 Speech parameter compression |
| 05/10/2001 | WO2001033548A1 Rate control device for variable-rate voice encoding system and its method |
| 05/10/2001 | WO2001033547A1 Methods and apparatuses for signal analysis |
| 05/08/2001 | US6230123 Noise reduction method and apparatus |
| 05/03/2001 | WO2001031636A2 Speech recognition on gsm encoded data |
| 05/03/2001 | WO2001031434A2 Method for detecting the time sequences of a fundamental frequency of an audio-response unit to be synthesised |
| 05/01/2001 | CA2215358C Signal quality determining device and method |
| 04/26/2001 | WO2001030049A1 Received speech processing unit and received speech reproducing unit |
| 04/19/2001 | DE19948308A1 Verfahren und Vorrichtung zur Geräuschunterdrückung bei der Sprachübertragung Method and apparatus for noise suppression in voice transmission |
| 04/18/2001 | EP1093116A1 Autocorrelation based search loop for CELP speech coder |
| 04/18/2001 | EP1093115A2 Predictive coding of pitch lag in a speech coder |
| 04/18/2001 | CN1064772C 语音活动性检测器 A voice activity detector |
| 04/18/2001 | CN1064771C Device and method for discriminating between stationary and non-stationary signals |
| 04/18/2001 | CN1064770C Equipment and method for concealing distorsion effect in speech decoder |
| 04/18/2001 | CN1064769C Equipment and method for improving audio signal decode in wireless communication system |
| 04/18/2001 | CN1064768C Method and apparatus for transmission error concealment in wireless communication system |
| 04/17/2001 | US6219635 Instantaneous detection of human speech pitch pulses |
| 04/12/2001 | WO2001026095A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 04/11/2001 | EP1091349A2 Method and apparatus for noise reduction during speech transmission |
| 04/11/2001 | EP0809841B1 Voice activity detection |
| 04/11/2001 | CN1291041A Code generating method, detection method and its equipment, water mark embedding device and detector |
| 04/04/2001 | EP1089550A2 Code generating method and unit thereof, code detecting method and unit thereof, and watermark embedding unit and watermark detecting unit |
| 04/04/2001 | EP1089241A2 Digital data copyright protection system |
| 04/04/2001 | EP1088300A1 Method for executing automatic evaluation of transmission quality of audio signals |
| 03/27/2001 | US6208962 Signal coding system |
| 03/21/2001 | EP1085394A2 Digital data access control |
| 03/20/2001 | US6205421 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus |
| 03/08/2001 | WO2001016671A1 Digital data copyright protection system |
| 03/08/2001 | CA2348769A1 Digital data copyright protection system |
| 03/06/2001 | US6199036 Tone detection using pitch period |
| 02/28/2001 | EP1078354A1 Method and device for determining spectral voice characteristics in a spoken expression |
| 02/27/2001 | CA2215367C Signal quality determining device and method |
| 02/27/2001 | CA2215366C Signal quality determining device and method |
| 02/22/2001 | WO2001013360A1 Pitch and voicing estimation for low bit rate speech coders |