| 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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| 06/05/2001 | US6243322 Method for estimating the distance of an acoustic signal |
| 06/05/2001 | CA2185746C Perceptual noise masking measure based on synthesis filter frequency response |
| 05/31/2001 | WO2001039546A1 Hearing aid device incorporating signal processing techniques |
| 05/31/2001 | WO2001039370A2 Signal processing system and method |
| 05/31/2001 | WO2001039180A1 System and method of templating specific human voices |
| 05/31/2001 | DE19957221A1 Exponentielle Echo- und Geräuschabsenkung in Sprachpausen Exponential echo and noise reduction in speech pauses |
| 05/31/2001 | DE19957106A1 Electronic speech simulator uses digital rescaling of vocal tract model coefficients gives more natural speech |
| 05/31/2001 | CA2392436A1 System and method of templating specific human voices |
| 05/30/2001 | EP1104096A2 Noise suppression adapted to actual Noise Level |
| 05/30/2001 | EP1103956A2 Exponential reduction of echo and noise during speech pauses |
| 05/30/2001 | EP1103954A1 Digital speech acquisition, transmission, storage and search system and method |
| 05/30/2001 | CN1297558A Apparatus and method for signal processing |
| 05/30/2001 | CN1297223A Method for playing background music of e-mail |
| 05/30/2001 | CN1297222A Information processing apparatus, method and recording medium |
| 05/29/2001 | US6240388 Audio data decoding device and audio data coding/decoding system |
| 05/29/2001 | US6240386 Speech codec employing noise classification for noise compensation |
| 05/29/2001 | US6240380 System and method for partially whitening and quantizing weighting functions of audio signals |
| 05/29/2001 | US6237786 Systems and methods for secure transaction management and electronic rights protection |
| 05/29/2001 | CA2244344C Control method of adaptive array and adaptive array apparatus |
| 05/29/2001 | CA2228183C Speech coder/decoder |
| 05/29/2001 | CA2204880C Noise cancellation apparatus |
| 05/25/2001 | WO2001037519A2 Vehicle accessory microphone |
| 05/25/2001 | WO2001037439A2 System and method for noise suppression in a communication signal |
| 05/25/2001 | WO2001037265A1 Noise suppression |
| 05/25/2001 | WO2001037263A1 Wideband audio transmission system |
| 05/25/2001 | WO2001037254A2 A noise suppression method |
| 05/24/2001 | US20010001853 Low frequency spectral enhancement system and method |
| 05/23/2001 | EP1102243A2 Method and apparatus for interference suppresion in the output signal of a sound transducer |
| 05/23/2001 | EP1102240A1 Interval normalization device for voice recognition input voice |
| 05/23/2001 | EP1101390A1 Hearing aid having an improved speech intelligibility by means of frequency selective signal processing, and a method for operating such a hearing aid |
| 05/23/2001 | EP0804787B1 Method and device for resynthesizing a speech signal |
| 05/23/2001 | CN1296607A System and method for noise-compensated speech recognition |
| 05/23/2001 | CN1296258A Noise canceller |
| 05/22/2001 | US6236963 Speaker normalization processor apparatus for generating frequency warping function, and speech recognition apparatus with said speaker normalization processor apparatus |
| 05/22/2001 | US6236962 Speech processing apparatus and method and computer readable medium encoded with a program for recognizing input speech by performing searches based on a normalized current feature parameter |
| 05/22/2001 | US6236725 Echo canceler employing multiple step gains |
| 05/17/2001 | WO2001035395A1 Wide band speech synthesis by means of a mapping matrix |
| 05/17/2001 | WO2001035391A1 Distributed real time speech recognition system |
| 05/17/2001 | WO2001035118A1 Method to determine whether an acoustic source is near or far from a pair of microphones |
| 05/16/2001 | EP1100077A2 Noise suppression apparatus |
| 05/16/2001 | EP1099216A1 Audio signal time scale modification |
| 05/15/2001 | US6233549 Low frequency spectral enhancement system and method |
| 05/15/2001 | US6232965 Method and apparatus for synthesizing realistic animations of a human speaking using a computer |
| 05/15/2001 | US6232540 Time-scale modification method and apparatus for rhythm source signals |
| 05/15/2001 | US6231500 Electronic anti-stuttering device providing auditory feedback and disfluency-detecting biofeedback |
| 05/10/2001 | WO2001033814A1 Integrated voice processing system for packet networks |
| 05/10/2001 | WO2001033552A1 Method and means for a robust feature extraction for speech recognition |
| 05/10/2001 | WO2001033547A1 Methods and apparatuses for signal analysis |
| 05/10/2001 | WO2001001373A3 Electronic book with voice synthesis and recognition |
| 05/10/2001 | US20010001141 System and method for noise-compensated speech recognition |
| 05/10/2001 | US20010001140 Modular approach to speech enhancement with an application to speech coding |
| 05/10/2001 | DE10053179A1 Fitting device for hearing aid stores sound source for test subject's evaluation of each solution vector |
| 05/10/2001 | CA2390200A1 Integrated voice processing system for packet networks |
| 05/09/2001 | CN1294377A Pitch interval standardizing device for speech identification of input speech |
| 05/09/2001 | CN1065702C Method and appts. for self-adaptive decoding and decompression of video datas |
| 05/08/2001 | US6230139 Tactile and visual hearing aids utilizing sonogram pattern recognition |
| 05/08/2001 | US6230135 Tactile communication apparatus and method |
| 05/08/2001 | US6230127 Code image recording apparatus having a microphone and a printer contained in a same cabinet |
| 05/08/2001 | US6230122 Speech detection with noise suppression based on principal components analysis |
| 05/03/2001 | WO2001031640A1 Elimination of noise from a speech signal |
| 05/03/2001 | WO2001031632A1 Emphasis of short-duration transient speech features |
| 05/03/2001 | WO2001031631A1 Mel-frequency domain based audible noise filter and method |
| 05/03/2001 | CA2385233A1 Emphasis of short-duration transient speech features |
| 05/02/2001 | EP1096477A2 Apparatus for converting reproducing speed and method of converting reproducing speed |
| 05/02/2001 | EP1096476A2 Speech decoding gain control for noisy signals |
| 05/02/2001 | EP1096475A2 Frequency warping for speaker recognition |
| 05/02/2001 | EP1096471A1 Method and means for a robust feature extraction for speech recognition |
| 05/02/2001 | EP1096470A2 Normalizing voice pitch for voice recognition |
| 05/01/2001 | US6226661 Generation and application of sample rate conversion ratios using distributed jitter |
| 05/01/2001 | US6226616 Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| 05/01/2001 | US6226609 Code image recording apparatus having a microphone, a loudspeaker and a printer |
| 05/01/2001 | US6226608 Data framing for adaptive-block-length coding system |
| 05/01/2001 | US6226605 Digital voice processing apparatus providing frequency characteristic processing and/or time scale expansion |
| 05/01/2001 | CA2228121C Noise canceller |
| 05/01/2001 | CA2194419C Perceptual noise shaping in the time domain via lpc prediction in the frequency domain |
| 04/26/2001 | WO2001029826A1 Method for implementing a noise suppressor in a speech recognition system |
| 04/26/2001 | WO2001029824A1 Speaker recognition using spectrogram correlation |
| 04/25/2001 | EP1094447A2 Vector quantization codebook generation method |
| 04/24/2001 | US6223153 Variation in playback speed of a stored audio data signal encoded using a history based encoding technique |
| 04/24/2001 | CA2185134C Apparatus for synthesizing speech by varying pitch |
| 04/24/2001 | CA2090297C Adaptive noise reduction circuit for a sound reproduction system |
| 04/19/2001 | WO2001027874A1 Unsupervised adaptation and classification of multi-source data using a generalized gaussian mixture model |
| 04/19/2001 | DE19949637A1 Noise detection and separation arrangement, having neural network which forms classification signal giving indication of type of acoustic signal |
| 04/19/2001 | DE19948308A1 Verfahren und Vorrichtung zur Geräuschunterdrückung bei der Sprachübertragung Method and apparatus for noise suppression in voice transmission |
| 04/19/2001 | DE10051398A1 Replay of an audio signal waveform with variable tempo using time base compression or expansion |
| 04/19/2001 | CA2387631A1 Unsupervised adaptation and classification of multi-source data using a generalized gaussian mixture model |
| 04/18/2001 | EP1093112A2 A method for generating speech feature signals and an apparatus for carrying through this method |
| 04/18/2001 | EP1093104A1 Method and apparatus for signal processing |
| 04/18/2001 | EP1092964A2 Method and apparatus for noise-recognition and -separation as well as noise monitoring and prediction |
| 04/18/2001 | EP1092514A1 Machine apparatus and its driving method, and recorded medium |
| 04/17/2001 | US6219645 Enhanced automatic speech recognition using multiple directional microphones |
| 04/17/2001 | US6219640 Methods and apparatus for audio-visual speaker recognition and utterance verification |
| 04/17/2001 | US6219634 Efficient watermark method and apparatus for digital signals |
| 04/12/2001 | WO2001026420A2 Apparatus and method for mitigating hearing impairments |
| 04/12/2001 | WO2001026095A1 Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching |
| 04/12/2001 | WO2001026094A1 Voice encoding device and voice encoding method |
| 04/12/2001 | CA2661798A1 Apparatus and methods for mitigating impairments due to central auditory nervous system binaural phase-time asynchrony |
| 04/11/2001 | EP1091349A2 Method and apparatus for noise reduction during speech transmission |
| 04/11/2001 | EP1091347A2 Multi-stage speech recognition |
| 04/11/2001 | EP1090382A1 A noise suppressor having weighted gain smoothing |