| 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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| 03/18/1993 | WO1993005502A1 Error protection for multimode speech coders |
| 03/17/1993 | EP0532225A2 Method and apparatus for speech coding and decoding |
| 03/16/1993 | US5195168 Speech coder and method having spectral interpolation and fast codebook search |
| 03/16/1993 | US5195166 Methods for generating the voiced portion of speech signals |
| 03/09/1993 | US5193141 Vehicular voice storage, playback, and broadcasting device |
| 03/09/1993 | US5193140 Excitation pulse positioning method in a linear predictive speech coder |
| 03/04/1993 | WO1993004549A1 Greeting card with electronic sound recording |
| 03/04/1993 | WO1993004467A1 Audio analysis/synthesis system |
| 03/04/1993 | WO1993004466A1 Method and apparatus for codeword searching |
| 03/04/1993 | WO1993004465A1 Method for encoding and decoding a human speech signal |
| 03/03/1993 | EP0529556A2 Vector-quatizing device |
| 02/23/1993 | US5189701 Voice coder/decoder and methods of coding/decoding |
| 02/17/1993 | EP0527535A2 Apparatus for transmission of speech |
| 02/17/1993 | EP0527374A2 Audio signal coding method with 32 kbit/s |
| 02/16/1993 | US5187745 Efficient codebook search for CELP vocoders |
| 02/09/1993 | US5185848 Noise reduction system using neural network |
| 02/04/1993 | WO1992020049A3 User-programmable voice notification device for security alarm systems |
| 02/03/1993 | EP0289080B1 System for subband coding of a digital audio signal |
| 02/03/1993 | CN1068689A High efficiency digital data encoding and decoding apparatus |
| 01/27/1993 | EP0524264A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder and decoder for high-quality audio. |
| 01/27/1993 | EP0308540B1 Oscillator circuit |
| 01/26/1993 | US5182773 Speaker-independent label coding apparatus |
| 01/20/1993 | EP0523979A2 Low bit rate vocoder means and method |
| 01/20/1993 | EP0523519A1 Sound recording and reproducing apparatus |
| 01/20/1993 | EP0523347A2 A fast algorithm for deriving acoustic prototypes for automatic speech recognition |
| 01/20/1993 | EP0140957B1 Audio digital recording and playback system |
| 01/12/1993 | US5179626 Harmonic speech coding arrangement where a set of parameters for a continuous magnitude spectrum is determined by a speech analyzer and the parameters are used by a synthesizer to determine a spectrum which is used to determine senusoids for synthesis |
| 01/12/1993 | US5179594 Efficient calculation of autocorrelation coefficients for CELP vocoder adaptive codebook |
| 01/12/1993 | CA1312673C Method and apparatus for speech coding |
| 01/05/1993 | US5177799 Speech encoder |
| 01/05/1993 | CA1312380C Method and device for coding the energy of voice signals in very low rate vocoders |
| 12/30/1992 | EP0520462A1 Speech coders based on analysis-by-synthesis techniques |
| 12/30/1992 | EP0520068A1 Encoder/decoder for multidimensional sound fields. |
| 12/23/1992 | WO1992022891A1 Variable rate vocoder |
| 12/23/1992 | WO1992022890A1 Voice synthesis method using wavelets |
| 12/23/1992 | EP0519802A1 Speech synthesis method using wavelets |
| 12/23/1992 | CA2635914A1 Error masking in a variable rate vocoder |
| 12/22/1992 | US5173941 Reduced codebook search arrangement for CELP vocoders |
| 12/22/1992 | CA1311844C Linear predictive coding analysing apparatus and bandlimiting circuit therefor |
| 12/10/1992 | WO1992022137A1 Low computational-complexity digital filter bank |
| 12/09/1992 | EP0516701A1 Video telephone system. |
| 12/09/1992 | EP0516621A1 Dynamic codebook for efficient speech coding based on algebraic codes |
| 12/02/1992 | EP0516439A2 Efficient CELP vocoder and method |
| 12/01/1992 | US5168456 Incremental frequency domain correlator |
| 11/26/1992 | DE4216911A1 Verbesserung bei echowiederkehrverlusten Improvement in echo recurring losses |
| 11/25/1992 | EP0515138A2 Digital speech coder |
| 11/25/1992 | EP0514949A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio |
| 11/25/1992 | EP0514912A2 Speech coding and decoding methods |
| 11/24/1992 | US5167004 Temporal decorrelation method for robust speaker verification |
| 11/19/1992 | EP0513860A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio |
| 11/17/1992 | US5165008 Speech synthesis using perceptual linear prediction parameters |
| 11/17/1992 | US5164980 Video telephone system |
| 11/12/1992 | WO1992020049A2 User-programmable voice notification device for security alarm systems |
| 11/04/1992 | EP0511692A2 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio |
| 11/03/1992 | US5161210 Coder for incorporating an auxiliary information signal in a digital audio signal, decoder for recovering such signals from the combined signal, and record carrier having such combined signal recorded thereon |
| 10/29/1992 | WO1992011627A3 Speech coding |
| 10/27/1992 | US5159614 Production of an address for effective use of a memory in a sound processing device |
| 10/20/1992 | US5157760 Digital signal encoding with quantizing based on masking from multiple frequency bands |
| 10/20/1992 | US5157729 Method and apparatus for automatic address setting for recording and replay |
| 10/20/1992 | US5157727 Process for digitizing speech |
| 10/15/1992 | WO1992017948A1 Process for transmitting digitized audio signals |
| 10/15/1992 | WO1992017884A1 High efficiency digital data encoding and decoding apparatus |
| 10/08/1992 | DE4111131A1 Verfahren zum uebertragen digitalisierter tonsignale A method for digitized audio signals carry over |
| 10/07/1992 | CN1065168A Transmission system and receiver to be used in transmission system |
| 09/30/1992 | EP0506394A2 Coding apparatus for digital signals |
| 09/30/1992 | EP0505654A1 Vector quantizing method for coding signals and system for implementing said method |
| 09/29/1992 | US5151968 Vector quantization encoder and vector quantization decoder |
| 09/29/1992 | CA1308196C Speech processing system |
| 09/29/1992 | CA1308193C Multi-pulse coding system |
| 09/23/1992 | EP0504627A2 Speech parameter coding method and apparatus |
| 09/23/1992 | EP0504485A2 A speaker-independent label coding apparatus |
| 09/23/1992 | EP0170087B1 Method and apparatus for analyzing and synthesizing human speech |
| 09/22/1992 | US5150410 Secure digital conferencing system |
| 09/17/1992 | WO1992015986A1 Variable bit rate speech encoder |
| 09/17/1992 | CA2105387A1 Variable bit rate speech encoder |
| 09/16/1992 | WO1992016930A1 Speech coder and method having spectral interpolation and fast codebook search |
| 09/16/1992 | EP0503956A2 Decompression of video signal |
| 09/16/1992 | EP0503684A2 Vector adaptive coding method for speech and audio |
| 09/16/1992 | CA2062200A1 Decompression processor for video applications |
| 09/15/1992 | US5148487 Audio subband encoded signal decoder |
| 09/15/1992 | US5148486 Voice decoding device |
| 09/15/1992 | US5148484 Signal processing apparatus for separating voice and non-voice audio signals contained in a same mixed audio signal |
| 09/15/1992 | CA1307590C Digital system and method for compressing speech signals for storageand transmission |
| 09/09/1992 | EP0296764B1 Code excited linear predictive vocoder and method of operation |
| 09/08/1992 | CA1307345C Digital speech vocoder |
| 09/08/1992 | CA1307344C Digital speech sinusoidal vocoder with transmission of only a subset ofharmonics |
| 09/08/1992 | CA1307343C Fast significant sample detection for a pitch detector |
| 09/03/1992 | WO1992015089A1 Signal processing arrangements |
| 09/02/1992 | EP0501631A2 Temporal decorrelation method for robust speaker verification |
| 09/02/1992 | EP0501421A2 Speech coding system |
| 09/02/1992 | EP0501420A2 Speech coding method and system |
| 09/02/1992 | EP0500961A1 Voice coding system |
| 09/01/1992 | US5144671 Method for reducing the search complexity in analysis-by-synthesis coding |
| 08/26/1992 | EP0500159A1 Transmission system, and receiver to be used in the transmission system |
| 08/26/1992 | EP0500095A2 Speech coding system wherein non-periodic component feedback to periodic signal excitation source is adaptively reduced |
| 08/26/1992 | EP0500094A2 Speech signal coding and decoding system with transmission of allowed pitch range information |
| 08/26/1992 | EP0275273B1 Method and system for compressing speech signal data |
| 08/25/1992 | US5142656 Low bit rate transform coder, decoder, and encoder/decoder for high-quality audio |
| 08/25/1992 | US5142584 Speech coding/decoding method having an excitation signal |
| 08/25/1992 | US5142583 Low-delay low-bit-rate speech coder |