| Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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| 05/28/2002 | CA2065451C Method of coding a sampled speech signal vector |
| 05/23/2002 | WO2002041300A1 Method and device for speech analysis |
| 05/23/2002 | WO2001080220A3 Voice activity detection apparatus and method |
| 05/23/2002 | US20020062209 Voiced/unvoiced information estimation system and method therefor |
| 05/22/2002 | EP1207507A2 Method and apparatus for reducing differential delay problems in audio communications systems with at least two transmitters |
| 05/16/2002 | WO2002039430A1 Wideband extension of telephone speech for higher perceptual quality |
| 05/16/2002 | WO2002007363A3 Fast frequency-domain pitch estimation |
| 05/16/2002 | US20020059522 Data Administration method |
| 05/15/2002 | CN1349178A Information processing device and method, and its program storage medium |
| 05/09/2002 | US20020055843 Systems and methods for voice synthesis |
| 05/09/2002 | US20020055838 Methods for speech processing |
| 05/08/2002 | CN1348583A System, method and apparatus for cancelling noise |
| 05/08/2002 | CN1348261A Noise electric level meter of echo eliminator |
| 05/07/2002 | US6385570 Apparatus and method for detecting transitional part of speech and method of synthesizing transitional parts of speech |
| 05/02/2002 | US20020052736 Harmonic-noise speech coding algorithm and coder using cepstrum analysis method |
| 04/25/2002 | WO2002033880A1 Data reproducing/recording apparatus / method and list updating method |
| 04/25/2002 | WO2002033697A2 Apparatus for bandwidth expansion of a speech signal |
| 04/23/2002 | US6377923 Speech recognition method and system using compression speech data |
| 04/23/2002 | US6377920 Method of determining the voicing probability of speech signals |
| 04/23/2002 | US6377915 Speech decoding using mix ratio table |
| 04/23/2002 | CA2225407C Assessment of signal quality |
| 04/18/2002 | WO2002031728A2 Method and apparatus for creating mixed media messages |
| 04/18/2002 | CA2424982A1 Method and apparatus for creating mixed media messages |
| 04/17/2002 | EP1197883A1 Information processing apparatus and method, and program storing medium |
| 04/16/2002 | US6374213 Adaptive speech rate conversion without extension of input data duration, using speech interval detection |
| 04/16/2002 | US6374211 Voice activity detection method and device |
| 04/11/2002 | WO2002029616A1 Method, apparatus, and system for bottom-up tone integration to chinese continuous speech recognition system |
| 04/10/2002 | EP1195064A1 Method for evaluating the quality of audio-visual sequences |
| 04/10/2002 | CN1343937A System, method, device and program for distributing data and data reproduction device |
| 04/09/2002 | CA2271880C Hearing-adapted quality assessment of audio signals |
| 04/04/2002 | US20020039415 Noise level calculator for echo canceller |
| 04/03/2002 | CN1343350A Tone features for speech recognition |
| 03/28/2002 | US20020036800 Information distribution system, information distribution device, information receiving device, information distribution method, information distribution program, recording medium recording the information distribution program, information receiving method, information receiving program, and recording medium recording the information receiving program |
| 03/27/2002 | EP1191516A2 Method for speech processing |
| 03/27/2002 | EP1190414A1 Encoding and decoding with harmonic components and minimum phase |
| 03/21/2002 | WO2002023536A2 Formant emphasis in celp speech coding |
| 03/21/2002 | WO2002023373A1 Sound activated circuit |
| 03/20/2002 | EP1189372A2 Audio signal processor comprising a means for embedding an audible watermark in an audio signal, audio player comprising a means for removing the audible watermark and audio distribution system and method using the audio signal processor and the audio player |
| 03/20/2002 | EP1078354B1 Method and device for determining spectral voice characteristics in a spoken expression |
| 03/20/2002 | EP1016073B1 Method and apparatus for suppressing noise in a digital speech signal |
| 03/20/2002 | EP0993670B1 Method and apparatus for speech enhancement in a speech communication system |
| 03/14/2002 | WO2002021514A1 A method and a device for objective speech quality assessment without reference signal |
| 03/14/2002 | US20020032747 System, method, device, and program for distributing data, and data reproduction device |
| 03/14/2002 | US20020032562 Method of calculating line spectral frequencies |
| 03/13/2002 | EP1187100A1 A method and a device for objective speech quality assessment without reference signal |
| 03/07/2002 | US20020027994 Audio signal processor, audio player and audio distribution system |
| 02/28/2002 | WO2002005537A8 Speech quality estimation for off-line speech recognition |
| 02/28/2002 | DE10128882A1 Speech synthesis system for portable telephone, delivers speech synthesis data based on selected voice characteristic data and sentence input by customer |
| 02/21/2002 | US20020021759 Apparatus and method for processing signals |
| 02/14/2002 | WO2001031434A3 Method for detecting the time sequences of a fundamental frequency of an audio-response unit to be synthesised |
| 02/14/2002 | US20020019734 Recording apparatus for recording speech information for a subsequent off-line speech recognition |
| 02/13/2002 | CN1335977A Method and apparatus for decreasing storage requirements for a voice recording system |
| 01/30/2002 | EP1062659B1 Method and device for processing a sound signal |
| 01/29/2002 | CA2091754C Method of, and system for, coding analogue signals |
| 01/24/2002 | WO2002007363A2 Fast frequency-domain pitch estimation |
| 01/24/2002 | US20020010578 Determination and use of spectral peak information and incremental information in pattern recognition |
| 01/24/2002 | US20020010576 A method and device for estimating the pitch of a speech signal using a binary signal |
| 01/24/2002 | US20020010575 Method and system for the automatic segmentation of an audio stream into semantic or syntactic units |
| 01/24/2002 | CA2413138A1 Fast frequency-domain pitch estimation |
| 01/22/2002 | CA2212658C Voice activity detection using echo return loss to adapt the detection threshold |
| 01/17/2002 | WO2002005537A1 Speech quality estimation for off-line speech recognition |
| 01/16/2002 | EP1171869A1 Speech detection device having two switch-off criterions |
| 01/16/2002 | EP1016071B1 Method and apparatus for detecting speech activity |
| 01/10/2002 | WO2002003381A1 Method and apparatus for tracking the phase of a quasi-periodic signal |
| 01/10/2002 | WO2002003377A1 Method of calculating line spectral frequencies |
| 01/09/2002 | EP0590155B1 High-efficiency encoding method |
| 01/03/2002 | US20020001389 Acoustic talker localization |
| 01/03/2002 | DE10026904A1 Calculating gain for encoded speech transmission by dividing into signal sections and determining weighting factor from periodicity and stationarity |
| 01/02/2002 | EP1168797A1 Method and device for computer conference using IP |
| 12/20/2001 | US20010053132 Management method and a conference unit for use in a communication system including user terminals communicating by means of the internet protocol |
| 12/19/2001 | EP1163662A1 Method of determining the voicing probability of speech signals |
| 12/19/2001 | EP0938831B1 Hearing-adapted quality assessment of audio signals |
| 12/12/2001 | EP1162604A1 High quality speech coder at low bit rates |
| 12/12/2001 | EP1162603A1 High quality speech coder at low bit rates |
| 11/29/2001 | WO2001091106A1 Adaptive analysis windows for speech recognition |
| 11/29/2001 | WO2001033547B1 Methods and apparatuses for signal analysis |
| 11/28/2001 | EP1157376A1 System, method and apparatus for cancelling noise |
| 11/28/2001 | EP1157374A2 Enhancing perceptual performance of sbr and related hfr coding methods by adaptive noise-floor addition and noise substitution limiting |
| 11/22/2001 | WO2001089086A1 Spectrum modeling |
| 11/22/2001 | WO2001088905A1 Method and apparatus for displaying sound graph |
| 11/22/2001 | US20010044714 Method of estimating the pitch of a speech signal using an average distance between peaks, use of the method, and a device adapted therefor |
| 11/20/2001 | CA2277975C Method and apparatus for objective speech quality measurements of telecommunication equipment |
| 11/20/2001 | CA2228948C Pattern recognition |
| 11/15/2001 | WO2001086633A1 Voice activity detection and end-point detection |
| 11/15/2001 | WO2001077635A8 Estimating the pitch of a speech signal using a binary signal |
| 11/14/2001 | EP1153387A2 Method in speech recognition and a speech recognition device |
| 11/14/2001 | CN1322346A Method of speech processing and apparatus for processing of speech |
| 11/14/2001 | CN1321964A Sound and beat image display method and equipment |
| 11/08/2001 | WO2001084541A1 Method for improving speech quality in speech transmission tasks |
| 11/08/2001 | WO2001084536A1 Method for detecting a voice activity decision (voice activity detector) |
| 11/07/2001 | EP1021805B1 Method and apparatus for conditioning a digital speech signal |
| 11/07/2001 | CN1321265A Digital data copyright protection system |
| 11/06/2001 | US6314395 Voice detection apparatus and method |
| 11/01/2001 | WO2001031636A3 Speech recognition on gsm encoded data |
| 11/01/2001 | US20010037196 Apparatus and method for generating additional sound on the basis of sound signal |
| 10/31/2001 | EP1150446A2 Apparatus and method for processing signals and for recognising predetermined patterns in a signal, for example for detecting commercial messages in a broadcast signal |
| 10/31/2001 | EP0846318B1 Pattern recognition |
| 10/31/2001 | DE10026872A1 Verfahren zur Berechnung einer Sprachaktivitätsentscheidung (Voice Activity Detector) A method for calculating a voice activity decision (Voice Activity Detector) |
| 10/25/2001 | WO2001080220A2 Voice activity detection apparatus and method |
| 10/25/2001 | US20010034601 Voice activity detection apparatus, and voice activity/non-activity detection method |