| Patents for G10L 25 - Speech or voice analysis techniques not restricted to a single one of groups (4,910) |
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| 08/08/2007 | EP1661125B1 Clicking noise detection in a digital audio signal |
| 08/08/2007 | CN1331111C Formants extracting method |
| 08/07/2007 | US7254532 Method for making a voice activity decision |
| 08/07/2007 | US7254129 Wireless phone and wireless communication method |
| 08/02/2007 | WO2007086042A2 Method and apparatus for segmentation of audio interactions |
| 08/02/2007 | US20070179785 Method for automatic real-time identification of languages in an audio signal and device for carrying out said method |
| 08/01/2007 | CN101010722A Detection of voice activity in an audio signal |
| 07/31/2007 | US7251601 Speech synthesis method and speech synthesizer |
| 07/31/2007 | US7251596 Method and device for analyzing a wave signal and method and apparatus for pitch detection |
| 07/31/2007 | US7251336 Acoustic talker localization |
| 07/26/2007 | US20070174377 A chaos theoretical exponent value calculation system |
| 07/25/2007 | EP1279168B1 Method for improving speech quality in speech transmission tasks |
| 07/25/2007 | CN101006495A Audio encoding apparatus, audio decoding apparatus, communication apparatus and audio encoding method |
| 07/19/2007 | WO2007036844A3 Method and apparatus for automatic structure analysis of audio |
| 07/19/2007 | DE102006002604A1 Data telecommunication e.g. speech telecommunication, implementing method for use over e.g. Internet, involves communicating telecommunication data set, and verifying whether data set includes speech representing data |
| 07/18/2007 | CN1327407C Method and device for determing quality of speech signal |
| 07/18/2007 | CN1327393C Identification of digital data sequences |
| 07/18/2007 | CN101002254A Device and method for robustry classifying audio signals, method for establishing and operating audio signal database and a computer program |
| 07/11/2007 | CN1998045A Pitch frequency estimation device, and pitch frequency estimation method |
| 07/11/2007 | CN1998044A Method of and system for classification of an audio signal |
| 07/05/2007 | WO2007076279A2 Method for classifying speech data |
| 07/05/2007 | US20070156409 Method for analysing signals containing pulses |
| 07/04/2007 | CN1991981A Method for voice data classification |
| 06/28/2007 | US20070150287 Method for driving a dialog system |
| 06/28/2007 | US20070147785 Method of detecting information break position of multiplexed stream, sound digital broadcast recording apparatus, and recording control method |
| 06/27/2007 | CN1989549A Audio encoding device and audio encoding method |
| 06/27/2007 | CN1323532C Method for error concealment apparatus |
| 06/26/2007 | US7236927 Pitch extraction methods and systems for speech coding using interpolation techniques |
| 06/21/2007 | WO2007070337A2 Music detector for echo cancellation and noise reduction |
| 06/21/2007 | WO2007070007A1 A method and system for extracting audio features from an encoded bitstream for audio classification |
| 06/21/2007 | WO2007040883A3 Voice activity detector |
| 06/21/2007 | WO2007035183A3 Method, system, and program product for measuring audio video synchronization independent of speaker characteristics |
| 06/21/2007 | US20070143617 Method for embedding and detecting a watermark in a digital audio signal |
| 06/14/2007 | WO2007066450A1 Segment automatic extracting system for extracting segment in musical composition, segment automatic extracting method, and segment automatic extracting program |
| 06/14/2007 | WO2007066049A1 Method for measuring an audio signal perceived quality degraded by a noise presence |
| 06/14/2007 | US20070136053 Music detector for echo cancellation and noise reduction |
| 06/14/2007 | US20070136051 Pitch cycle search range setting apparatus and pitch cycle search apparatus |
| 06/14/2007 | US20070131094 Music information retrieval using a 3d search algorithm |
| 06/13/2007 | EP1794745A1 Device and method for changing the segmentation of an audio piece |
| 06/07/2007 | US20070127717 Device and Method for Analyzing an Information Signal |
| 06/06/2007 | EP1792305A1 Method and device for evaluating the efficiency of a noise reducing function for audio signals |
| 06/06/2007 | EP1792304A1 Frequency compensation for perceptual speech analysis |
| 06/06/2007 | CN1977215A Detection of inconsistencies between a reference and a multi format soundtrack |
| 06/05/2007 | US7228271 Telephone apparatus |
| 06/05/2007 | CA2392849C Speech interval detecting method and device |
| 05/31/2007 | US20070124137 Highly optimized nonlinear least squares method for sinusoidal sound modelling |
| 05/30/2007 | CN1973319A Method and apparatus to encode and decode multi-channel audio signals |
| 05/24/2007 | US20070118364 System for generating closed captions |
| 05/24/2007 | US20070118362 Audio compression/decompression device |
| 05/24/2007 | US20070118360 In-situ voice reinforcement system |
| 05/23/2007 | EP1787285A1 Detection of voice activity in an audio signal |
| 05/23/2007 | EP1787284A1 Device and method for robustly classifying audio signals, method for establishing and operating audio signal database and a computer program |
| 05/23/2007 | CN1969320A 噪声抑制装置及噪声抑制方法 Noise suppression apparatus and method for noise suppression |
| 05/18/2007 | WO2007056652A2 Data compression for producing a spectrum trace |
| 05/18/2007 | WO2007055238A1 Information processing device and method, and program |
| 05/18/2007 | WO2006121180A3 Voice activity detection apparatus and method |
| 05/17/2007 | US20070110263 Voice activity detection with adaptive noise floor tracking |
| 05/16/2007 | EP1785984A1 Audio encoding apparatus, audio decoding apparatus, communication apparatus and audio encoding method |
| 05/16/2007 | EP1785891A1 Music information retrieval using a 3D search algorithm |
| 05/15/2007 | US7219061 Method for detecting the time sequences of a fundamental frequency of an audio response unit to be synthesized |
| 05/10/2007 | WO2007052612A1 Stereo encoding device, and stereo signal predicting method |
| 05/10/2007 | US20070106503 Method and apparatus for extracting pitch information from audio signal using morphology |
| 05/09/2007 | EP1783743A1 Pitch frequency estimation device, and pitch frequency estimation method |
| 05/09/2007 | CN1315110C Robust and invariant audio pattern matching |
| 05/03/2007 | WO2007049879A1 Apparatus for vocal-cord signal recognition and method thereof |
| 05/03/2007 | WO2007049641A1 Information processing device, information processing method, and program |
| 05/03/2007 | WO2007049222A1 Adaptive volume control for a speech reproduction system |
| 05/03/2007 | US20070101355 Device, method, and medium for expressing content dynamically |
| 05/02/2007 | EP1671315B1 Process and device for characterising an audio signal |
| 05/02/2007 | CN1957396A Device and method for analyzing an information signal |
| 05/01/2007 | US7212815 Quality evaluation method |
| 04/26/2007 | WO2007045797A1 Method, program and device for describing a music file, method and program for comparing two music files with one another, and server and terminal for carrying out these methods |
| 04/26/2007 | WO2007045273A1 Method and apparatus for estimating speech quality |
| 04/25/2007 | CN1312661C Pitch cycle search range setting device, voice coding device, and voice signal emitting set |
| 04/18/2007 | EP1595257B1 Method for embedding and detecting a watermark in a digital audio signal |
| 04/18/2007 | EP1563487B1 Method for determining acoustic features of acoustic signals for the analysis of unknown acoustic signals and for modifying sound generation |
| 04/18/2007 | EP1309964A4 Fast frequency-domain pitch estimation |
| 04/18/2007 | CN1311426C Coding of stereo signals |
| 04/17/2007 | US7206743 Method and apparatus for evaluating the voice quality of telephone calls |
| 04/12/2007 | WO2007040883A2 Voice activity detector |
| 04/12/2007 | WO2007039998A1 Non-program material scene extracting device and its computer program |
| 04/12/2007 | WO2005101998A3 Content sampling and identification |
| 04/10/2007 | US7203643 Method and apparatus for transmitting speech activity in distributed voice recognition systems |
| 04/05/2007 | WO2007037641A1 Optional encoding system and method for operating the system |
| 04/05/2007 | WO2007036844A2 Method and apparatus for automatic structure analysis of audio |
| 04/05/2007 | US20070076891 Apparatus and method of canceling vocal component in an audio signal |
| 04/04/2007 | CN1942928A Coding of audio signals |
| 04/04/2007 | CN1941073A Apparatus and method of canceling vocal component in an audio signal |
| 04/03/2007 | CA2352017C Method and apparatus for locating a talker |
| 03/29/2007 | WO2007035140A1 Method and test signal for measuring speech intelligibility |
| 03/29/2007 | US20070071330 Matching data objects by matching derived fingerprints |
| 03/28/2007 | EP1768108A1 Noise suppression device and noise suppression method |
| 03/28/2007 | EP1768106A1 Audio encoding device and audio encoding method |
| 03/28/2007 | EP1766816A2 Method and system for content sampling and identification |
| 03/28/2007 | EP1766610A1 Method of evaluating perception intensity of an audio signal and a method of controlling an input audio signal on the basis of the evaluation |
| 03/28/2007 | CN1307613C Voice activity detector and validator for noisy environments |
| 03/21/2007 | EP1763867A1 Speech activity detection |
| 03/20/2007 | US7194093 Measurement method for perceptually adapted quality evaluation of audio signals |
| 03/15/2007 | WO2007030190A1 Voice activity detector and method of operation therein |
| 03/14/2007 | EP1761915A1 Method and apparatus to encode and decode multi-channel audio signals |