| 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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| 06/15/1995 | WO1995016315A1 Soft error correction in a tdma radio system |
| 06/15/1995 | WO1995016260A1 Adaptive speech coder having code excited linear prediction with multiple codebook searches |
| 06/15/1995 | CA2178073A1 Adaptive speech coder having code excited linear prediction with multiple codebook searches |
| 06/15/1995 | CA2154253A1 Soft error correction in a tdma radio system |
| 06/15/1995 | CA2137880A1 Speech coding apparatus |
| 06/14/1995 | EP0657874A1 Voice coder and a method for searching codebooks |
| 06/14/1995 | EP0657873A2 Speech signal bandwidth compression and expansion apparatus, and bandwidth compressing speech signal transmission method, and reproducing method |
| 06/14/1995 | EP0657872A2 Spech decoder capable of reproducing well background noise |
| 06/08/1995 | WO1995015550A1 Transmitted noise reduction in communications systems |
| 06/08/1995 | WO1995015549A1 A system and method for compression and decompression of audio signals |
| 06/07/1995 | EP0656718A2 Dual port interface for a computer-based multifunction personal communication system |
| 06/07/1995 | CN1103538A A method of transmitting and receiving coded speech |
| 06/06/1995 | CA1335841C Code excited linear predictive vocoder |
| 06/01/1995 | WO1995015032A1 Method and device for compressing information, method and device for expanding compressed information, device for recording/transmitting compressed information, device for receiving compressed information, and recording medium |
| 06/01/1995 | WO1995014990A1 Method and device for encoding signal, method and device for decoding signal, and recording medium |
| 05/31/1995 | EP0655876A1 Perceptual coding of audio signals |
| 05/31/1995 | EP0655161A1 Lost frame concealment |
| 05/31/1995 | EP0655160A1 Transmission error concealment |
| 05/31/1995 | EP0655159A1 Rejected frame concealment |
| 05/31/1995 | EP0372008B1 Digital speech coder having improved vector excitation source |
| 05/26/1995 | WO1995014289A2 Identification/authentication coding method and apparatus |
| 05/24/1995 | EP0654909A1 Code excitation linear prediction encoder and decoder |
| 05/24/1995 | EP0654194A1 A speech decoding method and a speech decoder |
| 05/23/1995 | US5418531 Structured quantizer for sources with memory |
| 05/17/1995 | EP0653846A1 Apparatus and method for coding or decoding signals, and recording medium |
| 05/11/1995 | WO1995012920A1 Signal encoder, signal decoder, recording medium and signal encoding method |
| 05/11/1995 | WO1995012880A1 Adaptive error control for adpcm speech coders |
| 05/11/1995 | WO1995012879A1 Discriminating between stationary and non-stationary signals |
| 05/11/1995 | CA2175659A1 Adaptive error control for adpcm speech coders |
| 05/11/1995 | CA2151398A1 Discriminating between stationary and non-stationary signals |
| 05/09/1995 | US5414796 Method of speech signal compression |
| 05/09/1995 | US5414795 High efficiency digital data encoding and decoding apparatus |
| 05/04/1995 | WO1995012257A1 Apparatus and method for adapting a digital radiotelephone system to increased subscriber traffic |
| 05/04/1995 | WO1995010760A3 Improved low bit rate vocoders and methods of operation therefor |
| 05/04/1995 | DE4428193A1 Method for coding audio signals |
| 05/02/1995 | US5412741 Apparatus and method for compressing information |
| 04/26/1995 | EP0650286A2 Ringdown and ringback signalling for a computer-based multifunction personal communications system |
| 04/26/1995 | EP0650265A2 Structured quantizer for sources with memory |
| 04/26/1995 | EP0649558A1 Transmission system comprising at least a coder |
| 04/26/1995 | EP0649557A1 Transmission system comprising at least a coder |
| 04/25/1995 | US5410621 Display system |
| 04/20/1995 | WO1995010890A1 Transmission system implementing different coding principles |
| 04/20/1995 | WO1995010760A2 Improved low bit rate vocoders and methods of operation therefor |
| 04/19/1995 | EP0591441A4 An improved multiband programmable compression system. |
| 04/18/1995 | US5408580 Audio compression system employing multi-rate signal analysis |
| 04/13/1995 | WO1995008241A3 Apparatus for and method of speech digitizing |
| 04/12/1995 | EP0648024A1 Audio coder using best fit reference envelope |
| 04/12/1995 | EP0342687B1 Coded speech communication system having code books for synthesizing small-amplitude components |
| 04/12/1995 | CN1101450A Audio signal record format and the reproducing method and apparatus thereof |
| 04/11/1995 | US5406632 Method and device for correcting an error in high efficiency coded digital data |
| 04/11/1995 | US5406560 Speech packet communication system |
| 04/11/1995 | CA2026207C Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio |
| 04/06/1995 | WO1994027399A3 Telecom adapter for interfacing computing devices to the analog telephone network |
| 04/06/1995 | DE4405659C1 Method for the cascaded coding and decoding of audio data |
| 04/05/1995 | EP0646300A1 Method of detecting errors in digitized data-reduced audio and data signals. |
| 04/05/1995 | EP0450064A4 Digital speech coder having improved sub-sample resolution long-term predictor |
| 04/04/1995 | US5404377 Simultaneous transmission of data and audio signals by means of perceptual coding |
| 04/04/1995 | CA2026213C Low bit rate transform coder, decoder and encoder/decoder for high-quality audio |
| 03/29/1995 | EP0645769A2 Signal encoding or decoding apparatus and recording medium |
| 03/29/1995 | EP0645755A1 Speech coding apparatus and method using classification rules |
| 03/29/1995 | EP0645697A1 Minimum shift data arranging method and apparatus |
| 03/29/1995 | CN1100850A Methods and apparatus for recording, reproducing, transmitting and/or receiving compressed data and recording medium therefor |
| 03/28/1995 | US5402447 Speech decoding in a zero BER environment |
| 03/23/1995 | WO1995008241A2 Apparatus for and method of speech digitizing |
| 03/23/1995 | WO1995008227A1 Process for determining the type of coding to be selected for coding at least two signals |
| 03/23/1995 | CA2149214A1 Apparatus for and method of speech digitizing |
| 03/22/1995 | EP0643886A1 Dynamic loader. |
| 03/21/1995 | US5400024 Digital signal processing apparatus for converting a digital signal from one transmission rate to another transmission rate |
| 03/21/1995 | CA1334870C Speech synthesizer using shift register sequence generator |
| 03/16/1995 | WO1995007579A1 Real-time audio packet layer encoder |
| 03/15/1995 | EP0415675B1 Constrained-stochastic-excitation coding |
| 03/14/1995 | US5398041 Colored liquid crystal display having cooling |
| 03/08/1995 | EP0642286A2 Mobile communication apparatus having recording/reproducing function |
| 03/08/1995 | EP0642129A1 Transmission system with reconstruction of missing signal samples |
| 03/08/1995 | EP0642117A2 Data compression for speech recognition |
| 03/07/1995 | US5396625 System for binary tree searched vector quantization data compression processing each tree node containing one vector and one scalar to compare with an input vector |
| 03/07/1995 | US5396576 Speech coding and decoding methods using adaptive and random code books |
| 03/07/1995 | US5396238 Data compressing and expanding apparatus for tone generation |
| 03/07/1995 | CA1334690C Speech coder with coded amplitudes multiplied by factors dependent on pulse position |
| 03/07/1995 | CA1334688C Multi-pulse type encoder having a low transmission rate |
| 03/02/1995 | WO1995006310A1 Adaptive speech coder having code excited linear prediction |
| 03/01/1995 | EP0640952A2 Voiced-unvoiced discrimination method |
| 03/01/1995 | EP0574523A4 Variable bit rate speech encoder. |
| 03/01/1995 | EP0524264B1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder and decoder for high-quality audio |
| 02/28/1995 | US5394508 Method and apparatus for encoding decoding and compression of audio-type data |
| 02/28/1995 | US5394473 Adaptive-block-length, adaptive-transforn, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 02/21/1995 | US5392231 Waveform prediction method for acoustic signal and coding/decoding apparatus therefor |
| 02/14/1995 | US5390256 Dynamic loader |
| 02/07/1995 | US5388182 Nonlinear method and apparatus for coding and decoding acoustic signals with data compression and noise suppression using cochlear filters, wavelet analysis, and irregular sampling reconstruction |
| 02/07/1995 | US5388181 Digital audio compression system |
| 02/03/1995 | CA2129169A1 Transmission system with reconstruction of missing signal samples |
| 02/01/1995 | EP0637013A1 Process and apparatus for outputting of digital-speech-signals |
| 01/26/1995 | WO1995002930A1 Computationally efficient adaptive bit allocation for coding method and apparatus |
| 01/26/1995 | WO1995002929A1 Computationally efficient adaptive bit allocation for encoding method and apparatus with allowance for decoder spectral distortions |
| 01/25/1995 | EP0624275A4 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors. |
| 01/24/1995 | US5384891 Vector quantizing apparatus and speech analysis-synthesis system using the apparatus |
| 01/19/1995 | WO1995002240A1 A fixed bit rate speech encoder/decoder |
| 01/19/1995 | CA2166723A1 A fixed bit rate speech encoder/decoder |
| 01/18/1995 | EP0634043A1 A method of transmitting and receiving coded speech |
| 01/18/1995 | EP0568532B1 Process for transmitting digitised, block-coded audio signals using scale factors |