| 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) |
|---|
| 06/15/2004 | US6750985 Digital watermarks and methods for security documents |
| 06/15/2004 | US6750789 Device and method for determining a coding block raster of a decoded signal |
| 06/15/2004 | CA2301663C A method and a device for coding audio signals and a method and a device for decoding a bit stream |
| 06/10/2004 | WO2004049687A1 Noise matching for echo cancellers |
| 06/10/2004 | WO2004049311A1 Sinusoidal audio coding |
| 06/10/2004 | WO2004049310A1 Method for separating a sound frame into sinusoidal components and residual noise |
| 06/10/2004 | WO2004049309A1 Coding an audio signal |
| 06/10/2004 | WO2004049117A2 Encoding multiple messages in audio data and detecting same |
| 06/10/2004 | WO2004034376A3 Methods for interoperation between adaptive multi-rate wideband (amr-wb) and multi-mode variable bit-rate wideband (wmr-wb) speech codecs |
| 06/10/2004 | US20040111257 Transcoding apparatus and method between CELP-based codecs using bandwidth extension |
| 06/10/2004 | US20040111256 Voice encoding method and apparatus |
| 06/10/2004 | US20040110539 Tandem-free intersystem voice communication |
| 06/10/2004 | US20040109471 Multi-channel signal encoding and decoding |
| 06/09/2004 | EP1426952A1 Recording apparatus and method, and communication device and method |
| 06/09/2004 | EP1426925A1 Method and apparatus for speech decoding |
| 06/09/2004 | EP1425885A1 Method and system for transmitting data from a first data network into a second data network |
| 06/09/2004 | EP1425747A1 Extension of m3u file format to support user interface and navigation tasks in a digital audio player |
| 06/09/2004 | EP1425562A2 Improved bit error concealment methods for speech coding |
| 06/09/2004 | DE10355760A1 System und Verfahren zum Codieren von Daten System and method for encoding data |
| 06/09/2004 | CN1504042A Audio signal quality enhancement in a digital network |
| 06/09/2004 | CN1503572A Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform |
| 06/09/2004 | CN1503467A Noise matching for echo cancellers |
| 06/09/2004 | CN1503256A Voice encoding device and voice decoding device, optical recording medium and voice transmission method |
| 06/09/2004 | CN1503223A Sound source vector generator, voice encoder, and voice decoder |
| 06/09/2004 | CN1503222A Voice encoder and voice encoding method |
| 06/09/2004 | CN1503221A Voice encoder and voice encoding method |
| 06/09/2004 | CN1153399C Method for improving current phonetic frame quality and radio system |
| 06/09/2004 | CN1153365C Transfer system adopting different coding principle |
| 06/09/2004 | CN1153207C Electronic equipment with recording and playback function |
| 06/09/2004 | CN1153191C Scalable coding method for high quality audio |
| 06/09/2004 | CN1153188C Method and appts. for controllking use of discontinuous transmission in cellular telephone |
| 06/08/2004 | US6748598 Communication system with broadband and telephone network interfaces |
| 06/08/2004 | US6748537 System and method for controlling the use and duplication of digital content distributed on removable media |
| 06/08/2004 | US6748363 TI window compression/expansion method |
| 06/08/2004 | US6748362 Process, system, and apparatus for embedding data in compressed audio, image video and other media files and the like |
| 06/08/2004 | US6748355 Method of sound synthesis |
| 06/08/2004 | US6748354 Waveform coding method |
| 06/08/2004 | US6747673 Method, software product and system for reproducing video/audio data |
| 06/03/2004 | WO2004047305A1 Digital signal processing method, processor thereof, program thereof, and recording medium containing the program |
| 06/03/2004 | WO2004015629A3 Identification of digital data sequences |
| 06/03/2004 | US20040107289 Method and device for producing a scalable data stream, and method and device for decoding a scalable data stream while taking a bit bank function into account |
| 06/03/2004 | US20040107096 Audio signal processing apparatus |
| 06/03/2004 | US20040107095 Audio signal processing apparatus |
| 06/03/2004 | US20040107094 Audio signal processing apparatus |
| 06/03/2004 | US20040107093 Audio signal processing apparatus |
| 06/03/2004 | US20040107092 Digital circuit transmission device |
| 06/03/2004 | US20040107091 Method of compressing lookup table for reducing memory, non-linear function generating apparatus having lookup table compressed using the method, and non-linear function generating method |
| 06/03/2004 | US20040107090 Audio decoding method and apparatus for reconstructing high frequency components with less computation |
| 06/03/2004 | US20040105554 Audio signal processing apparatus |
| 06/03/2004 | US20040105553 Audio signal processing apparatus |
| 06/03/2004 | US20040105552 Audio signal processing apparatus |
| 06/03/2004 | US20040105551 Audio signal processing apparatus |
| 06/03/2004 | US20040105544 Data transform method and apparatus, data processing method and apparatus, and program |
| 06/02/2004 | EP1424686A2 Method and apparatus for selecting an encoding rate in a variable rate vocoder |
| 06/02/2004 | EP1423971A2 Lossless intraframe encoding using golomb-rice |
| 06/02/2004 | EP1423936A1 Message reconstruction from partial detection |
| 06/02/2004 | EP1423914A2 Filter devices and methods |
| 06/02/2004 | EP1423854A2 Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files |
| 06/02/2004 | EP1423847A1 Reconstruction of high frequency components |
| 06/02/2004 | EP0809842B1 Adaptive speech filter |
| 06/02/2004 | CN1501675A Method and apparatus for an interactive voice response system |
| 06/02/2004 | CN1501388A Head retracting method/apparatus, and head actuator control circuit |
| 06/02/2004 | CN1501350A Speech processing method of multi-channel vocoder |
| 06/01/2004 | US6745328 Encryption using a user-known and personally valuable key to deter key sharing |
| 06/01/2004 | US6745162 System and method for bit allocation in an audio encoder |
| 06/01/2004 | US6744975 Video and audio multiplex recording apparatus |
| 06/01/2004 | US6744907 Image capture methods and devices employing steganographic processing |
| 06/01/2004 | US6744906 Methods and systems using multiple watermarks |
| 05/27/2004 | WO2004044893A1 Method for encoding sound source of probabilistic code book |
| 05/27/2004 | WO2004044892A1 Method and apparatus for coding gain information in a speech coding system |
| 05/27/2004 | WO2004044891A1 Music information encoding device and method, and music information decoding device and method |
| 05/27/2004 | WO2004044890A1 Method and apparatus for coding an informational signal |
| 05/27/2004 | WO2004027998A3 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks |
| 05/27/2004 | US20040102975 Method and apparatus for masking unnatural phenomena in synthetic speech using a simulated environmental effect |
| 05/27/2004 | US20040102972 Method of reducing index sizes used to represent spectral content vectors |
| 05/27/2004 | US20040102969 Variable rate speech coding |
| 05/27/2004 | US20040102968 Mulitple description coding via data fusion |
| 05/27/2004 | US20040102967 Noise suppressor |
| 05/27/2004 | US20040102966 Apparatus and method for transcoding between CELP type codecs having different bandwidths |
| 05/27/2004 | US20040102964 Speech compression using principal component analysis |
| 05/27/2004 | US20040102963 Progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform |
| 05/27/2004 | US20040102962 Voice reminding system and method of the same |
| 05/27/2004 | US20040102961 Encoding multiple messages in audio data and detecting same |
| 05/27/2004 | US20040101203 System and method for coding data |
| 05/27/2004 | US20040101048 Signal processing of multi-channel data |
| 05/27/2004 | US20040100955 Vocoder and communication method using the same |
| 05/27/2004 | US20040100916 Noise matching for echo cancellers |
| 05/27/2004 | DE19604273C5 Verfahren und Vorrichtung zum Durchführen einer Suche in einem Kodebuch im Hinblick auf das Kodieren eines Klangsignales, Zellkommunikationssystem, Zellnetzwerkelement und mobile Zell-Sender-/Empfänger-Einheit Method and device for conducting a search in a codebook in view of encoding a sound signal, cell communication system cell network element and mobile cell transmitter / receiver unit |
| 05/27/2004 | DE10200653B4 Skalierbarer Codierer, Verfahren zum Codieren, Decodierer und Verfahren zum Decodieren für einen skalierten Datenstrom Scalable encoder for encoding process, and decoder process for decoding for a scaled data stream |
| 05/26/2004 | EP1422716A1 Information processing apparatus and method |
| 05/26/2004 | EP1422694A2 A progressive to lossless embedded audio coder (PLEAC) with multiple factorization reversible transform |
| 05/26/2004 | EP1422693A1 PITCH WAVEFORM SIGNAL GENERATION APPARATUS, PITCH WAVEFORM SIGNAL GENERATION METHOD, AND PROGRAM |
| 05/26/2004 | EP1422690A1 Apparatus and method for generating pitch waveform signal and apparatus and method for compressing/decompressing and synthesizing speech signal using the same |
| 05/26/2004 | EP1421682A2 Audio processing device |
| 05/26/2004 | EP1421579A1 Audio coding with non-uniform filter bank |
| 05/26/2004 | EP1157375B1 Celp transcoding |
| 05/26/2004 | EP1145222B1 Speech coding with comfort noise variability feature for increased fidelity |
| 05/26/2004 | CN1500323A Wireless clock synchronization |
| 05/26/2004 | CN1500322A Digital circuit transmission device |
| 05/26/2004 | CN1499763A Method and equipment for reaching synchronization to base station |