Patents for G10L 21 - Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility (18,985) |
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08/06/2002 | US6430528 Method and apparatus for demixing of degenerate mixtures |
08/06/2002 | US6430295 Methods and apparatus for measuring signal level and delay at multiple sensors |
08/01/2002 | WO2002060166A1 Efficient buffer allocation for current and predicted active speakers in voice conferencing systems |
08/01/2002 | WO2002060075A2 Enhanced conversion of wideband signals to narrowband signals |
08/01/2002 | WO2002060069A1 Data processing apparatus |
08/01/2002 | WO2002060057A1 Asymmetric multichannel filter |
08/01/2002 | WO2002059772A2 Blind decomposition using fourier and wavelet transforms |
08/01/2002 | WO2002025886A8 Digital signal processing techniques for improving audio clarity and intelligibility |
08/01/2002 | WO2001003110A9 Off-site detention monitoring system |
08/01/2002 | US20020103640 Methods and apparatus for reducing noise associated with an electrical speech signal |
08/01/2002 | US20020103638 System for improved use of pitch enhancement with subcodebooks |
08/01/2002 | US20020103637 Enhancing the performance of coding systems that use high frequency reconstruction methods |
08/01/2002 | US20020103619 Statistics generator system and method |
08/01/2002 | US20020102960 Sound generating device and method for a mobile terminal of a wireless telecommunication system |
08/01/2002 | US20020101422 Method for automatically animating lip synchronization and facial expression of animated characters |
08/01/2002 | US20020101368 Method of reproducing audio signals without causing tone variation in fast or slow playback mode and reproducing apparatus for the same |
07/31/2002 | EP1227471A1 Apparatus and program for separating a desired sound from a mixed input sound |
07/31/2002 | EP1226578A1 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network |
07/31/2002 | EP1226454A1 Method to determine whether an acoustic source is near or far from a pair of microphones |
07/31/2002 | EP0897574B1 A noisy speech parameter enhancement method and apparatus |
07/31/2002 | CN1361972A Enhancement of near-end voice signals in an echo suppression system |
07/31/2002 | CN1361941A Spectrum modeling |
07/30/2002 | US6427140 Systems and methods for secure transaction management and electronic rights protection |
07/30/2002 | US6427136 Sound device for expansion station |
07/30/2002 | US6427134 Voice activity detector for calculating spectral irregularity measure on the basis of spectral difference measurements |
07/25/2002 | WO2002058053A1 Encoding method and decoding method for digital voice data |
07/25/2002 | WO2002058052A1 Wideband signal transmission system |
07/25/2002 | WO2002058010A2 Character animation system |
07/25/2002 | US20020099554 Speech therapy system and method |
07/25/2002 | US20020099540 Modified vector generator |
07/25/2002 | US20020097857 Efficient buffer allocation for current and predicted active speakers in voice conferencing systems |
07/25/2002 | US20020097807 Wideband signal transmission system |
07/25/2002 | US20020097380 Film language |
07/24/2002 | EP1224660A1 Emphasis of short-duration transient speech features |
07/24/2002 | CN1360716A Bidirectional pitch enhancement in speech coding systems |
07/23/2002 | US6425082 Watermark applied to one-dimensional data |
07/23/2002 | US6424960 Unsupervised adaptation and classification of multiple classes and sources in blind signal separation |
07/18/2002 | WO2002056511A1 Suppression of periodic interference in a communications system |
07/18/2002 | WO2002056303A2 Noise filtering utilizing non-gaussian signal statistics |
07/18/2002 | WO2002056302A2 Noise reduction apparatus and method |
07/18/2002 | WO2002056301A1 Speech bandwidth extension |
07/18/2002 | WO2002056295A2 Speech bandwidth extension |
07/18/2002 | WO2002009090A3 Continuously variable time scale modification of digital audio signals |
07/18/2002 | US20020095296 Technique for improved audio compression |
07/18/2002 | US20020095292 Personalized system for providing improved understandability of received speech |
07/18/2002 | US20020095284 System of dynamic pulse position tracks for pulse-like excitation in speech coding |
07/18/2002 | US20020093919 Fast converging affine projection based echo canceller for sparse multi-path channels |
07/17/2002 | EP1046153B1 A system and method for encoding voice while suppressing acoustic background noise |
07/17/2002 | CN1359231A Audio signal reproducing method and apparatus without changing tone in fast or slow speed replaying mode |
07/16/2002 | US6421642 Device and method for reproduction of sounds with independently variable duration and pitch |
07/16/2002 | US6421639 Apparatus and method for providing an excitation vector |
07/16/2002 | US6421637 Pitch shifting apparatus and method |
07/11/2002 | WO2002054744A1 Audio signal quality enhancement in a digital network |
07/11/2002 | WO2002054388A1 Tactile communication system |
07/11/2002 | WO2002054387A1 Noise removing method and device |
07/11/2002 | WO2002054382A1 Voice-controlled televison set and operating method thereof |
07/11/2002 | US20020091517 Method and apparatus for the automatic separating and indexing of multi-speaker conversations |
07/11/2002 | US20020089504 System and method for automatic animation generation |
07/11/2002 | CA2433551A1 Method and apparatus for noise suppression |
07/11/2002 | CA2433440A1 Tactile communication system |
07/10/2002 | EP1221197A1 Digital filter design method and apparatus for noise suppression by spectral substraction |
07/10/2002 | EP1023717B1 System, method and program data carrier for representing complex information auditorially |
07/09/2002 | US6418159 Portable radio telephone equipment and control thereof |
07/09/2002 | CA2215746C Method and apparatus for separation of sound source, program recorded medium therefor, method and apparatus for detection of sound source zone, and program recorded medium therefor |
07/04/2002 | WO2002052546A1 Voice barge-in in telephony speech recognition |
07/04/2002 | WO2002052545A1 Enhancing source coding systems by adaptive transposition |
07/04/2002 | WO2002023537A8 System for enhancing perceptual quality of decoded speech |
07/04/2002 | US20020087304 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
07/04/2002 | US20020085725 System output control method and apparatus |
07/04/2002 | US20020085685 System for text assisted telephony |
07/04/2002 | US20020085022 Presentation system, method for generating presentation data, and program for generating presentation data |
07/03/2002 | CN2498028Y Phonetic reminder for taxi passenger to lose luggage |
07/03/2002 | CN1357136A Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
07/02/2002 | US6415253 Method and apparatus for enhancing noise-corrupted speech |
07/02/2002 | US6413098 Method and device for enhancing the recognition of speech among speech-impaired individuals |
07/02/2002 | US6413097 Method and device for enhancing the recognition of speech among speech-impaired individuals |
07/02/2002 | US6413096 Method and device for enhancing the recognition of speech among speech-impaired individuals |
07/02/2002 | US6413095 Method and device for enhancing the recognition of speech among speech-impaired individuals |
07/02/2002 | US6413094 Method and device for enhancing the recognition of speech among speech-impaired individuals |
07/02/2002 | US6413093 Method and device for enhancing the recognition of speech among speech-impaired individuals |
07/02/2002 | US6413092 Method and device for enhancing the recognition of speech among speech-impaired individuals |
06/27/2002 | WO2002050813A2 Generating visual representation of speech by any individuals of a population |
06/27/2002 | WO2002023534A3 Selection of coding parameters based on spectral content of a speech signal |
06/27/2002 | WO2001084275A3 Virtual representatives for use as communications tools |
06/27/2002 | US20020082828 Method and apparatus to prepare listener-interest-filtered works |
06/27/2002 | US20020080399 Data processing apparatus, data processing method, data processing program, and computer-readable memory storing codes of data processing program |
06/27/2002 | CA2432021A1 Generating visual representation of speech by any individuals of a population |
06/26/2002 | EP1217614A1 Vector quantization codebook generation method |
06/26/2002 | EP1216527A1 Apparatus and method for de-esser using adaptive filtering algorithms |
06/26/2002 | EP1216504A1 Spectrum modeling |
06/26/2002 | EP1216474A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
06/26/2002 | CN2497392Y Intelligent voice shopping-guide tour-guide apparatus |
06/26/2002 | CN1355916A Signal noise reduction by time-domain spectral substraction |
06/25/2002 | US6411925 Speech processing apparatus and method for noise masking |
06/20/2002 | WO2002049218A1 Encoder and decoder |
06/20/2002 | WO2002049002A1 Method and system for voice processing of a series of phonemes |
06/20/2002 | WO2002029780A3 Speech detection with source separation |
06/20/2002 | WO2002023523A3 Fast waveform synchronization for concatenation and time-scale modification of speech |
06/20/2002 | US20020077832 Computer based integrated text/graphic document analysis |
06/20/2002 | US20020077831 Data input/output method and system without being notified |