| 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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| 05/02/2002 | WO2002035522A1 Voice encoding method and apparatus |
| 05/02/2002 | WO2002035521A2 Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
| 05/02/2002 | WO2002035520A2 Improved spectral parameter substitution for the frame error concealment in a speech decoder |
| 05/02/2002 | WO2002035498A2 Interactive learning system method for infants, toddlers and young children |
| 05/02/2002 | WO2002017500A8 Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system |
| 05/02/2002 | US20020052764 System and method for designing and administering survivor benefit plans |
| 05/02/2002 | US20020052745 Speech encoding method, speech decoding method and electronic apparatus |
| 05/02/2002 | US20020052739 Voice decoder, voice decoding method and program for decoding voice signals |
| 05/02/2002 | US20020052738 Wideband speech coding system and method |
| 05/02/2002 | US20020052737 Speech coding system and method using time-separated coding algorithm |
| 05/02/2002 | US20020052736 Harmonic-noise speech coding algorithm and coder using cepstrum analysis method |
| 05/02/2002 | US20020052735 Sound reproduction apparatus and method with variable-speed fast forward/reverse |
| 05/02/2002 | US20020052734 Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders |
| 05/02/2002 | US20020052685 Position guiding method and system using sound changes |
| 05/02/2002 | US20020050207 Method and system for delivering music |
| 05/02/2002 | EP1202603A1 Speech reproduction system, speech signal generator system and calling system |
| 05/02/2002 | EP1202252A2 Apparatus for bandwidth expansion of speech signals |
| 05/02/2002 | EP1202251A2 Transcoder for prevention of tandem coding of speech |
| 05/02/2002 | EP1202250A1 Signal processing device and method therefor and program storing medium |
| 05/02/2002 | EP1201085A2 Mobile and hand-held broadcast video earth station terminals and methods for communicating with earth terminals via satellites |
| 05/02/2002 | EP1201052A2 Method for preparing audio data in source code and transmitter and receiver for same |
| 05/02/2002 | EP0764939B1 Synthesis of speech signals in the absence of coded parameters |
| 05/02/2002 | DE10052104A1 Automatically regulated influencing of loudness involves assessing sum of all sounds in context by pattern comparison and carrying out loudness regulation of one or more acoustic units |
| 05/02/2002 | CA2425034A1 Improved spectral parameter substitution for the frame error concealment in a speech decoder |
| 05/01/2002 | CN1347550A CELP transcoding |
| 05/01/2002 | CN1347549A Using gain-adaptive quantization and non-uniform symbol lengths for audio coding |
| 05/01/2002 | CN1347548A Speech synthesizer based on variable rate speech coding |
| 05/01/2002 | CN1084103C Telephone apparatus with recording and reproducing functions |
| 04/30/2002 | US6381570 Adaptive two-threshold method for discriminating noise from speech in a communication signal |
| 04/30/2002 | US6381568 Method of transmitting speech using discontinuous transmission and comfort noise |
| 04/30/2002 | US6381341 Watermark encoding method exploiting biases inherent in original signal |
| 04/30/2002 | US6381281 Information compressing apparatus |
| 04/25/2002 | WO2002033880A1 Data reproducing/recording apparatus / method and list updating method |
| 04/25/2002 | WO2002033831A1 Audio signal encoder |
| 04/25/2002 | WO2002033697A2 Apparatus for bandwidth expansion of a speech signal |
| 04/25/2002 | WO2002033696A1 Method and system for estimating artificial high band signal in speech codec |
| 04/25/2002 | WO2002033695A2 Method and apparatus for coding of unvoiced speech |
| 04/25/2002 | WO2002033694A1 Error concealment in relation to decoding of encoded acoustic signals |
| 04/25/2002 | WO2002033693A1 Perceptually improved enhancement of encoded acoustic signals |
| 04/25/2002 | WO2002033692A1 Perceptually improved encoding of acoustic signals |
| 04/25/2002 | US20020049586 Audio encoder, audio decoder, and broadcasting system |
| 04/25/2002 | US20020049585 Coding based on spectral content of a speech signal |
| 04/25/2002 | US20020049584 Perceptually improved encoding of acoustic signals |
| 04/25/2002 | US20020049583 Perceptually improved enhancement of encoded acoustic signals |
| 04/25/2002 | US20020048387 Method and system for preventing reproduction of professional photographs |
| 04/25/2002 | US20020048105 Data storing and searching method of a portable player |
| 04/25/2002 | CA2422790A1 Error concealment in relation to decoding of encoded acoustic signals |
| 04/24/2002 | EP1199812A1 Perceptually improved encoding of acoustic signals |
| 04/24/2002 | EP1199711A1 Encoding of audio signal using bandwidth expansion |
| 04/24/2002 | EP1199710A1 Device for encoding/decoding voice and for voiceless encoding, decoding method, and recorded medium on which program is recorded |
| 04/24/2002 | EP1199709A1 Error Concealment in relation to decoding of encoded acoustic signals |
| 04/24/2002 | EP1198934A1 Method and apparatus supporting tdd/tty modulation over vocoded channels |
| 04/24/2002 | CN1346128A Recording medium, editing method and equipment |
| 04/24/2002 | CN1083677C Mobile radio with transmit command control and mobile radio system |
| 04/23/2002 | US6378101 Multiple program decoding for digital audio broadcasting and other applications |
| 04/23/2002 | US6377930 Variable to variable length entropy encoding |
| 04/23/2002 | US6377929 Solid-state audio recording unit |
| 04/23/2002 | US6377923 Speech recognition method and system using compression speech data |
| 04/23/2002 | US6377916 Multiband harmonic transform coder |
| 04/23/2002 | US6377915 Speech decoding using mix ratio table |
| 04/23/2002 | US6377914 Efficient quantization of speech spectral amplitudes based on optimal interpolation technique |
| 04/23/2002 | US6377641 Reproduction apparatus and reproduction method |
| 04/23/2002 | US6377637 Sub-band exponential smoothing noise canceling system |
| 04/23/2002 | US6377590 Apparatus and method for adaptive delay mitigation of voice communication |
| 04/23/2002 | CA2225407C Assessment of signal quality |
| 04/23/2002 | CA2222501C A method to evaluate the hangover period in a speech decoder in discontinuous transmission, and a speech encoder and a transceiver |
| 04/18/2002 | WO2002032133A1 Signal transmitter and signal receiver |
| 04/18/2002 | WO2002031815A1 System and method for linear prediction |
| 04/18/2002 | WO2002011351A3 Flexible variable rate vocoder for wireless communication systems |
| 04/18/2002 | US20020046288 Method and system for dynamic latency management and drift correction |
| 04/18/2002 | US20020046021 Frame erasure concealment technique for a bitstream-based feature extractor |
| 04/18/2002 | US20020044609 Long-hour video/audio compression device and method thereof |
| 04/18/2002 | DE10050150A1 Dynamikreduzierung für dynamikbegrenzte Audiosysteme Dynamic reduction for limited dynamic audio systems |
| 04/17/2002 | EP1198072A2 Method of encoding digital data |
| 04/17/2002 | EP1198062A2 Reduction of dynamics for audiosystems with limited dynamics |
| 04/17/2002 | EP1197952A1 Coding method of the prosody for a very low bit rate speech encoder |
| 04/17/2002 | EP1197883A1 Information processing apparatus and method, and program storing medium |
| 04/17/2002 | EP0824821B1 Steganographical embedding of auxiliary data and calibration data in image data |
| 04/17/2002 | CN1345446A Apparatus for reproducing digital voice |
| 04/17/2002 | CN1345442A Information processor, processing method thereof, and program storage medium |
| 04/17/2002 | CN1345031A Subband filtering and delaying estimation and correction method for audio data wave packet encoder |
| 04/17/2002 | CN1083183C Method and apparatus for reducing noise in speech signal |
| 04/16/2002 | US6374225 Method and apparatus to prepare listener-interest-filtered works |
| 04/16/2002 | US6373953 Apparatus and method for De-esser using adaptive filtering algorithms |
| 04/16/2002 | US6373896 Device and method for coding audio/video signal |
| 04/16/2002 | US6373421 Voice recording/reproducing device by using adaptive differential pulse code modulation method |
| 04/11/2002 | WO2002030098A2 Method and system for rate adaptation in a packet voice system |
| 04/11/2002 | WO2002029808A2 Auxiliary channel masking in an audio signal |
| 04/11/2002 | WO2002029786A1 Method and device for segmental coding of an audio signal |
| 04/11/2002 | WO2002029782A1 Perceptual harmonic cepstral coefficients as the front-end for speech recognition |
| 04/11/2002 | WO2002029781A2 Speech to data converter |
| 04/11/2002 | WO2002029780A2 Speech detection with source separation |
| 04/11/2002 | WO2002029510A2 A method and system for distributing digital content with embedded message |
| 04/11/2002 | WO2002029509A2 Secure distribution of digital content |
| 04/11/2002 | WO2002011144A3 Power generating device |
| 04/11/2002 | US20020041547 Reproduction apparatus and reproduction method |
| 04/11/2002 | US20020041540 Recording medium, editing method and editing apparatus |
| 04/11/2002 | CA2425137A1 Speech to data converter |
| 04/11/2002 | CA2424390A1 Auxiliary channel masking in an audio signal |
| 04/10/2002 | EP1195745A1 Method and apparatus for diversity control in multiple description voice communication |