| 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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| 08/02/2001 | US20010010730 Steganographic messaging through imagery |
| 08/02/2001 | US20010010663 Graphic data creating and editing system for digital audio player, digital audio player, method for creating and editing graphic data, storage medium and data signal |
| 08/01/2001 | EP1120775A1 Noise signal encoder and voice signal encoder |
| 08/01/2001 | EP1120715A1 Data providing system, device, and method |
| 08/01/2001 | EP1119854A1 Transmission of a digital information signal having m bit pcm samples |
| 08/01/2001 | EP1119846A1 Method for encoding or decoding voice signal scanning values and encoder or decoder |
| 08/01/2001 | EP1119844A1 A method of speech processing and an apparatus for processing of speech |
| 07/31/2001 | US6269434 Recording and reproducing apparatus including a nonvolatile memory which includes a first area for file management tables and a second area for data and a control unit |
| 07/31/2001 | US6269338 Data compression and expansion of an audio signal |
| 07/31/2001 | US6269333 Codebook population using centroid pairs |
| 07/31/2001 | US6269332 Method of encoding a speech signal |
| 07/31/2001 | US6269331 Transmission of comfort noise parameters during discontinuous transmission |
| 07/26/2001 | WO2001054341A2 A method of scrambling a signal |
| 07/26/2001 | WO2001054132A1 System and method for displaying information on the screen of a user interface device under the control of a digital audio playback device |
| 07/26/2001 | WO2001054116A1 System for lost packet recovery in voice over internet protocol based on time domain interpolation |
| 07/26/2001 | WO2001054053A1 Transform domain allocation for multimedia watermarking |
| 07/26/2001 | US20010010040 System for compression and decompression of audio signals for digital transmision |
| 07/26/2001 | US20010010038 High-speed search method for LSP quantizer using split VQ and fixed codebook of G.729 speech encoder |
| 07/26/2001 | US20010009850 Radio communication apparatus |
| 07/26/2001 | US20010009846 Portable audio unit |
| 07/26/2001 | US20010009536 Relative address allocation apparatus and method for data storage card |
| 07/25/2001 | EP1119172A2 Network echo canceller |
| 07/25/2001 | EP1119002A2 Reproducing apparatus |
| 07/25/2001 | EP1119001A1 Portable audio unit |
| 07/25/2001 | EP0820627B1 A method of coding an excitation pulse parameter sequence |
| 07/24/2001 | US6266644 Audio encoding apparatus and methods |
| 07/24/2001 | US6266632 Speech decoding apparatus and speech decoding method using energy of excitation parameter |
| 07/24/2001 | US6266430 Audio or video steganography |
| 07/24/2001 | US6266412 Encrypting speech coder |
| 07/24/2001 | US6266368 Data compression/expansion on a plurality of digital information signals |
| 07/24/2001 | US6266003 Method and apparatus for signal processing for time-scale and/or pitch modification of audio signals |
| 07/19/2001 | WO2001052421A1 Dual rate transmission scheme and apparatus using the same |
| 07/19/2001 | WO2001052411A2 Generating coefficients for a prediction filter in an encoder |
| 07/19/2001 | WO2001052241A1 Multi-mode voice encoding device and decoding device |
| 07/19/2001 | WO2001052240A2 Device and method for determining a coding block raster of a decoded signal |
| 07/19/2001 | WO2001052181A1 Watermark embedder and reader |
| 07/19/2001 | WO2001052178A1 Authenticating metadata and embedding metadata in watermarks of media signals |
| 07/19/2001 | US20010008995 Method for improvement of G.723.1 processing time and speech quality and for reduction of bit rate in CELP vocoder and CELP vococer using the same |
| 07/18/2001 | EP1117089A1 Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency |
| 07/18/2001 | EP1116354A1 Audio coder utilising repeated transmission of packet portion |
| 07/18/2001 | EP1116348A1 Tandem audio compression |
| 07/18/2001 | EP1116228A1 Copy protection method for digital data stored on a medium |
| 07/18/2001 | EP1116223A1 Multi-channel signal encoding and decoding |
| 07/18/2001 | EP1116222A1 Voice communication by phoneme recognition and text to speech |
| 07/18/2001 | EP1046155B1 Signal processing |
| 07/18/2001 | CN1304597A Audio peripheral device |
| 07/17/2001 | US6263312 Audio compression and decompression employing subband decomposition of residual signal and distortion reduction |
| 07/17/2001 | US6263307 Adaptive weiner filtering using line spectral frequencies |
| 07/17/2001 | US6262979 Telecommunication conferencing system and method |
| 07/17/2001 | CA2060310C Digital speech coder with vector excitation source having improved speech quality |
| 07/12/2001 | WO2001050459A1 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network |
| 07/12/2001 | WO2001050458A1 Subband adpcm voice encoding and decoding |
| 07/12/2001 | WO2001050457A1 Method and apparatus for audio compression using a dynamical system |
| 07/12/2001 | WO2001050456A1 Audio data coding based on granular sound synthesis |
| 07/12/2001 | US20010007974 Method and apparatus for eighth-rate random number generation for speech coders |
| 07/12/2001 | US20010007973 Voice encoding device |
| 07/12/2001 | DE19860133A1 Speech compression involves transmitting reference indices instead of elementary signals or spectra if defined level of correlation achieved in transmitter compression module |
| 07/11/2001 | EP1115069A2 PCMCIA card shaped audio player |
| 07/11/2001 | EP1114415A2 Linear predictive analysis-by-synthesis encoding method and encoder |
| 07/11/2001 | EP1114414A1 An adaptive criterion for speech coding |
| 07/11/2001 | EP1114413A2 Celp encoding/decoding method and apparatus |
| 07/11/2001 | EP0968497B1 Variable length audio coding using a plurality of subband bit allocation patterns |
| 07/11/2001 | EP0791263B1 Computer-based multifunction personal communication system with caller id |
| 07/11/2001 | CN1303547A System and method for encoding and audio signal, by adding an inaudible code to audiosignal, for use in broadcast programme identification systems |
| 07/11/2001 | CN1303508A Method and device for voice encoding |
| 07/11/2001 | CN1303089A Code-type spoken language speech output system |
| 07/10/2001 | US6260017 Multipulse interpolative coding of transition speech frames |
| 07/10/2001 | US6260010 Speech encoder using gain normalization that combines open and closed loop gains |
| 07/10/2001 | US6260009 CELP-based to CELP-based vocoder packet translation |
| 07/10/2001 | US6259957 Circuits and methods for implementing audio Codecs and systems using the same |
| 07/05/2001 | WO2001049073A2 Multichannel audio signal processing device |
| 07/05/2001 | WO2001048735A2 Inband signalling within speech segments |
| 07/05/2001 | US20010006537 Reduced complexity signal transmission system |
| 07/05/2001 | DE10004862A1 Quick search method for line spectrum pair quantisation in speech coding, by obtaining optimal code vector using error standard within determined search range |
| 07/04/2001 | EP1113605A2 Methods and apparatus for identification and purchase of broadcast digital music and other types of information |
| 07/04/2001 | EP1113446A1 Data reproduction device |
| 07/04/2001 | EP1113418A1 Voice encoding/decoding device |
| 07/04/2001 | EP1112625A1 Method and apparatus for coding an information signal |
| 07/04/2001 | EP1112621A1 Device and method for entropy encoding of information words and device and method for decoding entropy-encoded information words |
| 07/04/2001 | EP1112568A1 Speech coding with background noise reproduction |
| 07/04/2001 | EP0784846B1 A multi-pulse analysis speech processing system and method |
| 07/03/2001 | US6256609 Method and apparatus for speaker recognition using lattice-ladder filters |
| 07/03/2001 | US6256608 System and method for entropy encoding quantized transform coefficients of a signal |
| 07/03/2001 | US6256606 Silence description coding for multi-rate speech codecs |
| 07/03/2001 | US6255968 Data compression method and apparatus |
| 07/03/2001 | US6254096 Device and method for continuously shuffling cards |
| 06/28/2001 | WO2001046957A1 Method and apparatus for smoothing spliced discontinuous audio streams |
| 06/28/2001 | WO2001046954A1 Embedding a first digital information signal into a second digital information signal for transmission via a transmission medium |
| 06/28/2001 | WO2001045870A2 System and method for transmitting comfort noise across a mobile communications network |
| 06/28/2001 | US20010005878 Data reproduction device |
| 06/28/2001 | US20010005828 Audio playback/recording apparatus |
| 06/28/2001 | US20010005822 Noise suppression apparatus realized by linear prediction analyzing circuit |
| 06/28/2001 | US20010005423 Steganographic system with changing operations |
| 06/28/2001 | US20010005173 Method and apparatus for sample rate pre-and post-processing to achieve maximal coding gain for transform-based audio encoding and decoding |
| 06/28/2001 | DE19959156A1 Verfahren und Vorrichtung zum Verarbeiten eines Stereoaudiosignals Method and device for processing a stereo audio signal |
| 06/28/2001 | DE19959038A1 Verfahren zur Dekodierung von digitalen Audiodaten Method for decoding digital audio data |
| 06/28/2001 | DE19959037A1 Verfahren zur Dekodierung von digitalen Audiodaten Method for decoding digital audio data |
| 06/27/2001 | EP1111608A2 Coding apparatus and method, decoding apparatus and method, and program storage medium |
| 06/27/2001 | EP1111589A1 Wideband speech coding with parametric coding of high frequency component |
| 06/27/2001 | EP1111588A2 Method and apparatus for transmitting real-time data in multi-access systems |