| 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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| 09/11/1996 | EP0731448A2 Frame erasure compensation techniques |
| 09/11/1996 | EP0731348A2 Voice storage and retrieval system |
| 09/11/1996 | EP0470975B1 Methods and apparatus for reconstructing non-quantized adaptively transformed voice signals |
| 09/11/1996 | EP0469997B1 Coding method and speech coder using linear prediction analysis |
| 09/11/1996 | CN1130961A Method and device for encoding signal, method and device for decoding signal, recording medium, and signal transmitting device |
| 09/10/1996 | US5555546 Apparatus for decoding a DPCM encoded signal |
| 09/06/1996 | WO1996027249A1 Voice compression in a paging network system |
| 09/06/1996 | WO1996027184A1 A communication system and method using a speaker dependent time-scaling technique |
| 09/06/1996 | WO1996027183A2 Processing speech coding parameters in a telecommunication system |
| 09/06/1996 | CA2210899A1 Processing speech coding parameters in a telecommunication system |
| 09/04/1996 | CN1130449A Method and apparatus for speech transmission in mobile communication system |
| 09/04/1996 | CN1130324A Casing mechanism of pager receiver with external terminal for exchanging data with outside |
| 09/03/1996 | US5553194 Code-book driven vocoder device with voice source generator |
| 09/03/1996 | US5553193 Bit allocation method and device for digital audio signals using aural characteristics and signal intensities |
| 09/03/1996 | US5553192 Apparatus for noise removal during the silence periods in the discontinuous transmission of speech signals to a mobile unit |
| 09/03/1996 | US5553191 Double mode long term prediction in speech coding |
| 08/29/1996 | DE19604273A1 Algebraisches Kodebuch mit signal-ausgewählten Impulsamplituden zur schnellen Kodierung von Sprache Algebraic codebook with signal-selected pulse amplitudes for fast encoding of speech |
| 08/28/1996 | EP0729133A1 Determination of gain for pitch period in coding of speech signal |
| 08/28/1996 | EP0729132A2 Wide band signal encoder |
| 08/28/1996 | EP0728350A1 Method and apparatus for selecting an encoding rate in a variable rate vocoder |
| 08/28/1996 | CN1129888A Fixed cellular terminal for two-wire telecommunications services |
| 08/28/1996 | CN1129837A Low-delay and mid-speed speech encoder, decoder and method thereof |
| 08/27/1996 | US5550950 Voice transfer system with low-error voice signal regeneration |
| 08/27/1996 | US5550949 Method for compressing voice data by dividing extracted voice frequency domain parameters by weighting values |
| 08/27/1996 | US5550859 Recovering analog and digital signals from superimposed analog and digital signals using linear prediction |
| 08/27/1996 | US5550581 Low bit rate audio-visual communication system having integrated perceptual speech and video coding |
| 08/27/1996 | US5550580 Low bit rate audio-visual communication system having integrated perceptual speech and video coding |
| 08/27/1996 | US5550543 Frame erasure or packet loss compensation method |
| 08/27/1996 | US5550541 Compact source coding tables for encoder/decoder system |
| 08/27/1996 | CA2061457C Speech signal coding system wherein non-periodic component feedback to periodic excitation signal source is adaptively reduced |
| 08/22/1996 | WO1996025649A1 Process and device for determining the tonality of an audio signal |
| 08/21/1996 | EP0727769A2 Method of and apparatus for noise reduction |
| 08/21/1996 | EP0727768A1 Method of and apparatus for reducing noise in speech signal |
| 08/21/1996 | CN1129486A Transmitted noise reduction in communications systems |
| 08/20/1996 | US5548680 Method and device for speech signal pitch period estimation and classification in digital speech coders |
| 08/20/1996 | US5548574 Apparatus for high-speed recording compressed digital audio data with two dimensional blocks and its compressing parameters |
| 08/20/1996 | US5548322 Low bit rate audio-visual communication system having integrated preceptual speech and video coding |
| 08/15/1996 | WO1996024926A2 Method and apparatus in coding digital information |
| 08/14/1996 | EP0726560A2 Variable speed playback system |
| 08/14/1996 | EP0726020A1 Method of facilitating an audio source change in a digital radio communication system |
| 08/14/1996 | EP0671032A4 Coding with modulation, error control, weighting, and bit allocation. |
| 08/14/1996 | EP0550657B1 A method of, and system for, coding analogue signals |
| 08/13/1996 | US5546498 Method of and device for quantizing spectral parameters in digital speech coders |
| 08/13/1996 | US5546426 Method for executing a coding and decoding process comprising subprocesses |
| 08/13/1996 | US5546395 Dynamic selection of compression rate for a voice compression algorithm in a voice over data modem |
| 08/13/1996 | CA2060591C Speaker-independent label coding apparatus |
| 08/08/1996 | WO1996024127A1 Adaptive speech filter |
| 08/07/1996 | EP0725499A1 Transmitter-receiver |
| 08/07/1996 | EP0725494A1 Perceptual audio compression based on loudness uncertainty |
| 08/07/1996 | EP0725385A2 Sub-band audio signal synthesizing apparatus |
| 08/07/1996 | EP0725384A2 Adaptive transform coding |
| 08/07/1996 | EP0676102A4 Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic. |
| 08/07/1996 | CN1128462A Vector quantization apparatus |
| 08/07/1996 | CN1128438A Method for encoding a digital audio signal |
| 08/07/1996 | CA2167967A1 Perceptual audio compression based on loudness uncertainty |
| 08/07/1996 | CA2167966A1 Tonality for perceptual audio compression based on loudness uncertainty |
| 08/06/1996 | US5544278 Pitch post-filter |
| 08/06/1996 | CA2077728C Speech coding apparatus having speaker dependent prototypes generated from a nonuser reference data |
| 08/06/1996 | CA2073991C Speech recognition apparatus having a speech coder outputting acoustic prototype ranks |
| 08/01/1996 | WO1996023359A1 Device and method for encoding data and device and method for decoding data |
| 08/01/1996 | WO1996023297A1 Method and apparatus for detection and bypass of tandem vocoding |
| 08/01/1996 | CA2211463A1 Method and apparatus for detection and bypass of tandem vocoding |
| 07/31/1996 | EP0724252A2 A CELP-type speech encoder having an improved long-term predictor |
| 07/31/1996 | EP0628195A4 Method and apparatus for encoding, decoding and compression of audio-type data. |
| 07/30/1996 | US5541359 Audio signal record format applicable to memory chips and the reproducing method and apparatus therefor |
| 07/25/1996 | WO1996015627A3 System and method for transmitting picture or sound signals |
| 07/25/1996 | WO1996011531A3 Transmission system utilizing different coding principles |
| 07/24/1996 | EP0723258A1 Speech encoder with features extracted from current and previous frames |
| 07/24/1996 | EP0723257A2 Voice signal transmission system using spectral parameter and voice parameter encoding apparatus and decoding apparatus used for the voice signal transmission system |
| 07/24/1996 | EP0722634A1 Method and apparatus for speech transmission in a mobile communications system |
| 07/24/1996 | EP0722603A1 Method and apparatus for performing reduced rate variable rate vocoding |
| 07/24/1996 | CN1127563A Transmission system for quasi-periodic signals |
| 07/23/1996 | US5539858 Voice coding communication system and apparatus |
| 07/23/1996 | US5539452 Video telephone system |
| 07/18/1996 | WO1996021975A1 Method and apparatus for determining a masked threshold |
| 07/18/1996 | DE19600406A1 Generation of encrypted speech messages for digital mobile communications system contg. transcoder |
| 07/17/1996 | EP0722225A2 Audio signal coding through short time spectra and a psychoacoustical model |
| 07/17/1996 | EP0722165A2 Estimation of excitation parameters |
| 07/17/1996 | CN1126869A Speech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the method |
| 07/16/1996 | US5537565 Dynamic memory system having memory refresh |
| 07/16/1996 | US5537509 Comfort noise generation for digital communication systems |
| 07/16/1996 | US5536902 Method of and apparatus for analyzing and synthesizing a sound by extracting and controlling a sound parameter |
| 07/11/1996 | WO1996021221A1 Speech coding method using linear prediction and algebraic code excitation |
| 07/11/1996 | WO1996021220A1 Speech coding method using synthesis analysis |
| 07/11/1996 | WO1996021219A1 Speech coding method using synthesis analysis |
| 07/11/1996 | WO1996021218A1 Speech coding method using synthesis analysis |
| 07/11/1996 | CA2209623A1 Speech coding method using synthesis analysis |
| 07/10/1996 | EP0721252A1 Subband echo canceler |
| 07/10/1996 | EP0721251A1 Subband signal processor |
| 07/10/1996 | EP0721180A1 Analysis by synthesis speech coding |
| 07/10/1996 | CN1126391A Digital signal processing apparatus and method and dither signal generating apparatus |
| 07/09/1996 | US5535356 Digital data recording/playback system utilizing EEPROM and ROM memories as a storage medium |
| 07/09/1996 | US5535299 Adaptive error control for ADPCM speech coders |
| 07/09/1996 | US5535204 Ringdown and ringback signalling for a computer-based multifunction personal communications system |
| 07/09/1996 | CA2026640C Speech analysis-synthesis method and apparatus therefor |
| 07/05/1996 | CA2164025A1 Sub-band signal processor |
| 07/04/1996 | WO1996020546A1 Digital transmission system with an improved decoder in the receiver |
| 07/03/1996 | EP0720307A2 Digital audio signal coding and/or decoding method |
| 07/03/1996 | EP0720148A1 Method for noise weighting filtering |
| 07/03/1996 | EP0720146A1 A method for measuring speech masking properties |