Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960) |
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07/03/1996 | EP0720145A2 Speech pitch lag coding apparatus and method |
07/03/1996 | EP0719483A1 Process for determining the type of coding to be selected for coding at least two signals |
07/02/1996 | US5533052 Adaptive predictive coding with transform domain quantization based on block size adaptation, backward adaptive power gain control, split bit-allocation and zero input response compensation |
07/02/1996 | CA2037780C Hybrid perceptual audio coding |
07/01/1996 | CA2165352A1 Method for measuring speech masking properties |
06/27/1996 | WO1996019907A1 System for tdma mobile-to-mobile vselp codec bypass |
06/27/1996 | WO1996019876A1 Method and apparatus for applying waveform prediction to subbands of a perceptual coding system |
06/27/1996 | WO1996019798A1 Sound encoding system |
06/27/1996 | DE4446558A1 Digitales Übertragungssystem mit verbessertem Decoder im Empfänger Digital transmission system with improved decoder in the receiver |
06/27/1996 | CA2182790A1 High-frequency signal branching device |
06/26/1996 | EP0719053A2 Decoder for audio signals belonging to compressed and coded audiovisual streams |
06/26/1996 | EP0719050A2 Device for transmitting, receiving and decoding compressed audiovisual streams |
06/26/1996 | EP0718982A2 Error concealment method and apparatus of audio signals |
06/26/1996 | EP0718822A2 A low rate multi-mode CELP CODEC that uses backward prediction |
06/26/1996 | EP0718821A2 Linear prediction filter coefficient quantizer and filter set |
06/26/1996 | EP0718820A2 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus |
06/26/1996 | EP0718819A2 Low bit rate audio encoder and decoder |
06/26/1996 | EP0717892A1 Real-time audio packet layer encoder |
06/25/1996 | US5530655 Digital sub-band transmission system with transmission of an additional signal |
06/25/1996 | CA2010830C Dynamic codebook for efficient speech coding based on algebraic codes |
06/22/1996 | CA2161988A1 Linear prediction filter coefficient quantizer & filter set |
06/20/1996 | WO1996018996A1 Speech processing |
06/19/1996 | EP0717518A2 High efficiency audio encoding method and apparatus |
06/19/1996 | EP0717392A1 Encoding method, decoding method, encoding-decoding method, encoder, decoder, and encoder-decoder |
06/18/1996 | US5528727 Encoder for coding an input signal |
06/18/1996 | US5528723 Digital speech coder and method utilizing harmonic noise weighting |
06/18/1996 | US5528629 Method and device for coding an analog signal having a repetitive nature utilizing over sampling to simplify coding |
06/13/1996 | WO1996018251A1 Method for substituting bad speech frames in a digital communication system |
06/13/1996 | WO1996018187A1 Method and apparatus for parameterization of speech excitation waveforms |
06/13/1996 | WO1996018186A1 Method and apparatus for synthesis of speech excitation waveforms |
06/13/1996 | WO1996018185A1 Method and apparatus for characterization and reconstruction of speech excitation waveforms |
06/12/1996 | EP0716409A2 Speech coding system |
06/12/1996 | CN1124545A Data encoding method and apparatus, data decoding method and apparatus, data recording medium, and data transmission method |
06/11/1996 | US5526506 Computer system having an improved memory architecture |
06/11/1996 | US5526464 Reducing search complexity for code-excited linear prediction (CELP) coding |
06/11/1996 | US5526366 Speech code processing |
06/11/1996 | CA1338387C Vector excitation speech or audio coder for transmission or storage |
06/06/1996 | WO1996017465A1 Dynamic selection of voice compression rate in a voice data modem |
06/05/1996 | EP0715297A2 Speech coding parameter sequence reconstruction by classification and contour inventory |
06/04/1996 | US5524170 For coding an input signal |
05/29/1996 | EP0714186A2 ATM transmission system |
05/29/1996 | EP0714173A1 Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
05/29/1996 | EP0714089A2 Code-excited linear predictive coder and decoder with conversion filter for converting stochastic and impulse excitation signals |
05/29/1996 | EP0713618A1 Transmission system for quasi-periodic signals |
05/28/1996 | US5522011 Speech coding apparatus and method using classification rules |
05/28/1996 | US5522009 Quantization process for a predictor filter for vocoder of very low bit rate |
05/23/1996 | WO1996015627A2 System and method for transmitting picture or sound signals |
05/23/1996 | WO1996015612A1 Computer-based multifunction personal communication system with caller id |
05/23/1996 | WO1996009704A3 Detection of defective speech frames in a receiver of a digital speech communication system |
05/22/1996 | EP0713208A2 Pitch lag estimation system |
05/22/1996 | CN1123076A A method and system for audio information dissemination using various transmission modes |
05/22/1996 | CN1123061A Vocoder asic |
05/21/1996 | US5519807 Method of and device for quantizing excitation gains in speech coders based on analysis-synthesis techniques |
05/21/1996 | US5519806 System for search of a codebook in a speech encoder |
05/21/1996 | US5519805 Signal processing arrangements |
05/21/1996 | US5519640 Multimedia frame relay codec |
05/21/1996 | US5519394 Coding/decoding apparatus and method |
05/21/1996 | US5519166 Signal processing method and sound source data forming apparatus |
05/21/1996 | CA2053133C Method for coding and decoding a sampled analog signal having a repetitive nature and a device for coding and decoding by said method |
05/21/1996 | CA2050979C Method for coding an analog signal having a repetitive nature and a device for coding by said method |
05/15/1996 | EP0712131A1 Voice recorder and corresponding text generator |
05/15/1996 | EP0520068B1 Encoder/decoder for multidimensional sound fields |
05/14/1996 | US5517595 Decomposition in noise and periodic signal waveforms in waveform interpolation |
05/14/1996 | US5517511 Digital transmission of acoustic signals over a noisy communication channel |
05/09/1996 | WO1996013826A1 Coded data decoding device and video/audio multiplexed data decoding device using it |
05/08/1996 | EP0710948A2 Apparatus and method for locating a plurality of roots of a line spectrum pair expression on unit circle |
05/08/1996 | CN1122075A Recovering analog and digital signals from superimiposed analog and digital signals using linear prediction |
05/01/1996 | EP0709981A1 Subband coding with pitchband predictive coding in each subband |
05/01/1996 | EP0709827A2 Speech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the method |
05/01/1996 | EP0709006A1 Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions |
05/01/1996 | EP0709005A1 Computationally efficient adaptive bit allocation for coding method and apparatus |
05/01/1996 | EP0708959A1 A fixed bit rate speech encoder/decoder |
05/01/1996 | CN1121620A Audio signal coding/decoding method |
04/30/1996 | US5513297 Selective application of speech coding techniques to input signal segments |
04/30/1996 | US5513183 Method for exploitation of voice inactivity to increase the capacity of a time division multiple access radio communications system |
04/30/1996 | US5512939 Low bit rate audio-visual communication system having integrated perceptual speech and video coding |
04/30/1996 | CA2061832C Speech parameter coding method and apparatus |
04/30/1996 | CA2061462C Speech signal coding and decoding system transmitting allowance range information |
04/24/1996 | EP0708533A2 Transmission signal |
04/24/1996 | EP0708435A1 Encoding and decoding apparatus of line spectrum pair parameters |
04/24/1996 | CN1121375A Method and apparatus for group encoding signals |
04/24/1996 | CN1121374A Method and apparatus for mitigating audio degradation in a communication system |
04/23/1996 | US5511093 Method for reducing data in a multi-channel data transmission |
04/18/1996 | WO1996011531A2 Transmission system utilizing different coding principles |
04/18/1996 | WO1996011468A1 Vector encoding method and encoder/decoder using the method |
04/18/1996 | WO1996011467A1 Method, device, and systems for determining a masking level for a subband in a subband audio encoder |
04/18/1996 | CA2176485A1 Method, device, and systems for determining a masking level for a subband in a subband audio encoder |
04/17/1996 | EP0707308A1 Frame erasure or packet loss compensation method |
04/16/1996 | US5508949 Fast subband filtering in digital signal coding |
04/10/1996 | EP0706172A1 Low bit rate speech encoder and decoder |
04/10/1996 | CN1120268A Device for quantization vector |
04/09/1996 | US5506934 Post-filter for speech synthesizing apparatus |
04/09/1996 | US5506899 Voice suppressor |
04/03/1996 | EP0705052A2 Digital speech communication system |
04/03/1996 | EP0704988A2 Cellular terminal with echo suppressor |
04/03/1996 | EP0704836A2 Vector quantization apparatus |
04/03/1996 | EP0704088A1 Method of encoding a signal containing speech |
04/03/1996 | CN1119902A Method and apparatus for compressing, method for transmitting, and method and apparatus for expanding compressed multi-channel sound signals |
04/02/1996 | US5504835 Voice reproducing device |
04/02/1996 | US5504834 Pitch epoch synchronous linear predictive coding vocoder and method |