| 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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| 05/10/2005 | US6892064 Method and system for presentation of content from one cellular phone to another through a computer network |
| 05/10/2005 | US6891573 Method and apparatus for changing the output delay of audio or video data encoding |
| 05/06/2005 | WO2005041583A1 Encoding controller and encoding system |
| 05/06/2005 | WO2005041416A2 Method and system for pitch contour quantization in audio coding |
| 05/06/2005 | WO2005041170A1 Noise-dependent postfiltering |
| 05/06/2005 | WO2005041169A2 Method and system for speech coding |
| 05/06/2005 | WO2005040749A1 Spectrum encoding device, spectrum decoding device, acoustic signal transmission device, acoustic signal reception device, and methods thereof |
| 05/06/2005 | WO2004059894A3 Method and device for compressed-domain packet loss concealment |
| 05/05/2005 | US20050097312 Recognizer of content of digital signals |
| 05/05/2005 | US20050096919 Data simplifying and merging method for a voice decoding memory system |
| 05/05/2005 | US20050096918 Reduction of memory requirements by overlaying buffers |
| 05/05/2005 | US20050096917 Methods for improving high frequency reconstruction |
| 05/05/2005 | US20050096904 Signal processing apparatus and mobile radio communication terminal |
| 05/05/2005 | US20050096901 CELP encoding/decoding method and apparatus |
| 05/05/2005 | US20050096898 Classification of speech and music using sub-band energy |
| 05/05/2005 | US20050096765 Reduction of memory requirements by de-interleaving audio samples with two buffers |
| 05/05/2005 | US20050096762 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network |
| 05/05/2005 | US20050093231 Device and method for continuously shuffling and monitoring cards |
| 05/05/2005 | US20050093230 Device and method for continuously shuffling and monitoring cards |
| 05/04/2005 | EP1527517A2 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 05/04/2005 | EP1527442A1 Audio decoding apparatus and audio decoding method based on spectral band repliction |
| 05/04/2005 | EP1527441A2 Audio coding |
| 05/04/2005 | EP1527440A1 Speech communication unit and method for error mitigation of speech frames |
| 05/04/2005 | EP1527415A2 Identification of digital data sequences |
| 05/04/2005 | EP1440433B1 Audio encoding and decoding device |
| 05/04/2005 | EP1440432B1 Audio encoding and decoding device |
| 05/04/2005 | EP1224659B1 Complex signal activity detection for improved speech/noise classification of an audio signal |
| 05/04/2005 | CN1613256A System and method for compensating packet delay variations |
| 05/04/2005 | CN1613111A System and method for controlling the use and duplication of digital content distributed on removable media |
| 05/04/2005 | CN1613045A Personal computer system basedon wireless man machine interacting device and its data transmitting method |
| 05/04/2005 | CN1612607A Silence detection |
| 05/04/2005 | CN1200575C System and method for formatting speech data in mobile communication system |
| 05/04/2005 | CN1200404C Code-excited linear predict voice coder and decoder with pulse series restraint |
| 05/04/2005 | CN1200403C Vector quantizing device for LPC parameters |
| 05/03/2005 | US6889191 Systems and methods for TV navigation with compressed voice-activated commands |
| 05/03/2005 | US6889185 Quantization of linear prediction coefficients using perceptual weighting |
| 05/03/2005 | US6889184 Device for improving voice signal in quality |
| 05/03/2005 | US6889183 Apparatus and method of regenerating a lost audio segment |
| 05/03/2005 | US6888815 Subscriber unit for compressing and transmitting high speed data |
| 05/03/2005 | CA2327405C Perceptual audio coder bit allocation scheme providing improved perceptual quality consistency |
| 05/03/2005 | CA2176665C Method of adapting the noise masking level in an analysis-by-synthesis speech coder employing a short-term perceptual weighting filter |
| 04/28/2005 | WO2005039083A1 Method of adjusting the mode of the adaptive multi-rate speech coding |
| 04/28/2005 | WO2005038778A1 Signal encoding |
| 04/28/2005 | WO2005020208A3 Topological voiceprints for speaker identification |
| 04/28/2005 | WO2004107316A3 Bit-stream watermarking |
| 04/28/2005 | US20050091275 Audio duplicate detector |
| 04/28/2005 | US20050091052 Variable frequency decoding apparatus for efficient power management in a portable audio device |
| 04/28/2005 | US20050091051 Digital signal encoding method, decoding method, encoding device, decoding device, digital signal encoding program, and decoding program |
| 04/28/2005 | US20050091048 Method for packet loss and/or frame erasure concealment in a voice communication system |
| 04/28/2005 | US20050091047 Method and apparatus for network communication |
| 04/28/2005 | US20050091046 Method for adaptive filtering |
| 04/28/2005 | US20050091044 Method and system for pitch contour quantization in audio coding |
| 04/28/2005 | US20050091041 Method and system for speech coding |
| 04/28/2005 | US20050091040 Preprocessing of digital audio data for improving perceptual sound quality on a mobile phone |
| 04/27/2005 | EP1526530A2 Audio duplicate detector |
| 04/27/2005 | EP1526511A1 Phone terminal managing, in reception, the voice quality reproduction |
| 04/27/2005 | EP1526509A2 Method for adaptive filtering |
| 04/27/2005 | EP1526508A1 Method for the selection of synthesis units |
| 04/27/2005 | EP1526507A1 Method for packet loss and/or frame erasure concealment in a voice communication system |
| 04/27/2005 | EP1526506A1 Method for imitating background noise during a voice communication |
| 04/27/2005 | EP1525700A1 Evaluation of received useful information by the detection of error concealment |
| 04/27/2005 | EP1525557A1 Watermark detection |
| 04/27/2005 | EP1525543A1 Determining type of signal encoder |
| 04/27/2005 | EP1371055B1 Device for the analysis of an audio signal with regard to the rhythm information in the audio signal using an auto-correlation function |
| 04/27/2005 | CN1610432A Recording control method for mobile phone with dictation functionality and mobile phone |
| 04/27/2005 | CN1609948A Method and apparatus for signal discrimination |
| 04/27/2005 | CN1609900A Data processor |
| 04/27/2005 | CN1199383C Rendering device and arrangement |
| 04/27/2005 | CN1199181C Data regeneration devcie |
| 04/27/2005 | CN1199180C System for insertion of additional information in audio data |
| 04/27/2005 | CN1199179C Audio coding for attenuating spectral adjacent channel interference at frame boundaries |
| 04/27/2005 | CN1199174C Portable information terminal and method of processing audio data |
| 04/27/2005 | CN1199152C Method of determining driving pulse location in a speech frame |
| 04/27/2005 | CN1199151C Speech coder |
| 04/27/2005 | CN1199150C Reproducing equipment and method |
| 04/26/2005 | US6885993 Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec |
| 04/26/2005 | US6885988 Bit error concealment methods for speech coding |
| 04/26/2005 | US6885987 Method and apparatus for encoding and decoding pause information |
| 04/26/2005 | US6885659 Voice packet communications system with communications quality evaluation function |
| 04/26/2005 | US6884076 Interactive learning system method for infants toddlers and young children |
| 04/26/2005 | CA2321225C Apparatus and method for de-esser using adaptive filtering algorithms |
| 04/26/2005 | CA2298221C Encoder for multiplexing blocks error protected bits with blocks of unprotected bits |
| 04/26/2005 | CA2190686C Method of determining parameters of a pitch synthesis filter in a speech coder, and speech coder implementing such method |
| 04/21/2005 | WO2005036925A2 Compatible multi-channel coding/decoding |
| 04/21/2005 | WO2005036533A2 Systems and methods for sound compression |
| 04/21/2005 | WO2005036529A1 Audio encoding |
| 04/21/2005 | WO2005036528A1 Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream. |
| 04/21/2005 | WO2005036527A1 Method for deciding time boundary for encoding spectrum envelope and frequency resolution |
| 04/21/2005 | WO2004095760A3 Audio data processing systems and methods utilizing high oversampling rates |
| 04/21/2005 | US20050086501 Method and system for the information protection of digital content |
| 04/21/2005 | US20050086054 ADPCM encoding and decoding method and system with improved step size adaptation thereof |
| 04/21/2005 | US20050086053 Detector for use in voice communications systems |
| 04/21/2005 | US20050085271 Recording control method for mobile phone and mobile phone |
| 04/21/2005 | US20050084103 Recognizer of content of digital signals |
| 04/21/2005 | US20050084094 Telephone terminal with control of voice reproduction quality in the receiver |
| 04/20/2005 | EP1524827A1 Recording control method for mobile phone with dictation functionality |
| 04/20/2005 | EP1523863A1 Audio coding |
| 04/20/2005 | EP1523862A1 Audio coding |
| 04/20/2005 | CN2694427Y Sound synthesis system capable of synthesizing different kinds of sound data |
| 04/20/2005 | CN1608284A Signal encoding apparatus, signal encoding method, and program |