| 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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| 02/15/2005 | US6856954 Flexible variable rate vocoder for wireless communication systems |
| 02/10/2005 | WO2005013491A2 Audio file format conversion |
| 02/10/2005 | WO2005006624A3 Device and method for conversion into a transformed representation or for inversely converting the transformed representation |
| 02/10/2005 | WO2005003712A3 Multi-channel speech processor with increased channel density |
| 02/10/2005 | WO2004086817A3 Coding of main and side signal representing a multichannel signal |
| 02/10/2005 | US20050033864 Digital data distribution system |
| 02/10/2005 | US20050033586 Method and device to process digital media streams |
| 02/10/2005 | US20050033584 Method and apparatus to prepare listener-interest-filtered works |
| 02/10/2005 | US20050033579 Data hiding via phase manipulation of audio signals |
| 02/10/2005 | US20050033572 Apparatus and method of voice recognition system for AV system |
| 02/10/2005 | US20050032512 Method and system for presentation of content from one cellular phone to another through a computer network |
| 02/10/2005 | US20050031159 Content objects with computer instructions steganographically encoded therein, and associated methods |
| 02/10/2005 | US20050031156 Video steganography |
| 02/09/2005 | EP1504441A1 Transcoding of speech in a packet network environment |
| 02/09/2005 | EP1386307B1 Method and device for determining a quality measure for an audio signal |
| 02/09/2005 | EP1131817A4 Method and apparatus for a tunable high-resolution spectral estimator |
| 02/09/2005 | CN1579047A Signal encoding device, method, signal decoding device, and method |
| 02/09/2005 | CN1189028C Message compression device |
| 02/09/2005 | CN1188835C System and method for suppressing noise |
| 02/09/2005 | CN1188833C Acoustic vector generator, and method |
| 02/09/2005 | CN1188832C Multipulse interpolative coding of speech filtering frames |
| 02/09/2005 | CN1188829C Electronic equipment capable of avoiding error in phonetic recognization and raising phonetic recognization rate |
| 02/08/2005 | US6853676 Apparatus and method for inserting and detecting watermark based on stochastic model |
| 02/03/2005 | US20050027591 Tracking purchases in a location-based services system |
| 02/03/2005 | US20050027590 Advertising campaign and business listing management for a location-based services system |
| 02/03/2005 | US20050027532 Speech synthesis apparatus and method, and storage medium |
| 02/03/2005 | US20050027518 Multiple step adaptive method for time scaling |
| 02/03/2005 | US20050027517 Transcoding method and system between celp-based speech codes |
| 02/03/2005 | US20050027516 Wide-band speech signal compression and decompression apparatus, and method thereof |
| 02/03/2005 | US20050025314 Embedding supplementary data in an information signal |
| 02/03/2005 | US20050023343 Data embedding device and data extraction device |
| 02/02/2005 | EP1503502A1 Encoding method and device, and decoding method and device |
| 02/02/2005 | EP1503371A1 Frequency interpolating device and frequence interpolating method |
| 02/02/2005 | EP1503370A1 Coding method, coding device, decoding method, and decoding device |
| 02/02/2005 | EP1503369A2 Data embedding device and data extraction device |
| 02/02/2005 | EP1502399A2 Packet transmission system for streamed data with paralell clock transmission line |
| 02/02/2005 | EP1502361A2 Multi-channel downmixing device |
| 02/02/2005 | EP1502255A2 Device and method for scalable coding and device and method for scalable decoding |
| 02/02/2005 | EP1423847B1 Reconstruction of high frequency components |
| 02/02/2005 | EP1297632A4 Enhanced in-band signaling for data communications over digital wireless telecommunications networks |
| 02/02/2005 | EP1163668B1 An adaptive post-filtering technique based on the modified yule-walker filter |
| 02/02/2005 | EP1095488B8 Transcoders for fixed and variable rate data streams |
| 02/02/2005 | EP1080462B1 System and method for entropy encoding quantized transform coefficients of a signal |
| 02/02/2005 | CN1575613A 通信系统 Communication System |
| 02/02/2005 | CN1575492A Narrow-band audio signals |
| 02/02/2005 | CN1575491A Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers |
| 02/02/2005 | CN1575490A Tracking of sine parameter in audio coder |
| 02/02/2005 | CN1574866A 移动通信终端 The mobile communication terminal |
| 02/02/2005 | CN1573929A 音频解码器以及音频解码方法 The audio decoder and an audio decoding method |
| 02/02/2005 | CN1573928A Semantic object synchronous understanding implemented with speech application language tags |
| 02/02/2005 | CN1187902C 解码设备 Decoding equipment |
| 02/02/2005 | CN1187756C Semiconductor memory card, playback appts. recording appts. playback method, recording method, and computer-readable recording medium |
| 02/02/2005 | CN1187735C Multi-mode voice encoding device and decoding device |
| 02/01/2005 | US6850884 Selection of coding parameters based on spectral content of a speech signal |
| 02/01/2005 | US6850883 Decoding method, speech coding processing unit and a network element |
| 02/01/2005 | US6850578 Digital signal processing apparatus and digital processing method |
| 02/01/2005 | US6850179 Encoding apparatus and encoding method |
| 02/01/2005 | US6848542 Method for passive mining of usage information in a location-based services system |
| 01/27/2005 | WO2005008628A1 Low bit-rate audio encoding |
| 01/27/2005 | WO2005008582A2 Methods and apparatus for embedding watermarks |
| 01/27/2005 | WO2004084180B1 Voicing index controls for celp speech coding |
| 01/27/2005 | WO2004066269A3 Method and apparatus for speech reconstruction within a distributed speech recognition system |
| 01/27/2005 | US20050021815 Method and device for generating data, method and device for restoring data, and program |
| 01/27/2005 | US20050021581 Method for estimating a pitch estimation of the speech signals |
| 01/27/2005 | US20050021332 Apparatus and method for controlling noise in a mobile communication terminal |
| 01/27/2005 | US20050021329 Determining linear predictive coding filter parameters for encoding a voice signal |
| 01/27/2005 | US20050021328 Audio coding |
| 01/27/2005 | US20050021327 Digital audio compensation |
| 01/27/2005 | US20050021326 Signal coding |
| 01/27/2005 | US20050021325 Apparatus and method for detecting a pitch for a voice signal in a voice codec |
| 01/27/2005 | US20050021162 Audio player with sensing device |
| 01/27/2005 | US20050021161 MP3 player with code sensor |
| 01/27/2005 | US20050021160 System for retrieving and playing audio files |
| 01/27/2005 | US20050018874 Methods and apparatus to produce security documents |
| 01/27/2005 | US20050018873 Method and system for managing, accessing and paying for the use of copyrighted electronic media |
| 01/27/2005 | US20050018614 Data-rate detection in cdma systems |
| 01/27/2005 | US20050017879 Scalable coder and decoder for a scaled stream |
| 01/27/2005 | DE19960493B4 Gerät und Verfahren zur Codierung eines Audio-/Videosignals Apparatus and method for coding an audio / video signal |
| 01/27/2005 | DE10328777A1 Vorrichtung und Verfahren zum Codieren eines Audiosignals und Vorrichtung und Verfahren zum Decodieren eines codierten Audiosignals Apparatus and method for encoding an audio signal, and apparatus and method for decoding an encoded audio signal |
| 01/26/2005 | EP1501227A1 Audio data code conversion transmission method and code conversion reception method, device, system, and program |
| 01/26/2005 | EP1500305A2 Signal processing |
| 01/26/2005 | EP1500259A1 Method of processing image and audio information, image and audio processing apparatus and computer program that causes a computer to process image and audio information |
| 01/26/2005 | EP1500103A2 Apparatus and method for rendering user data |
| 01/26/2005 | EP1500086A1 Coding of stereo signals |
| 01/26/2005 | EP1500085A1 Coding of stereo signals |
| 01/26/2005 | EP1500084A1 Parametric representation of spatial audio |
| 01/26/2005 | EP1500083A1 Parametric multi-channel audio representation |
| 01/26/2005 | EP1500082A1 Signal synthesizing |
| 01/26/2005 | EP1214705B1 Method and apparatus for maintaining a target bit rate in a speech coder |
| 01/26/2005 | EP0883107B9 Sound source vector generator, voice encoder, and voice decoder |
| 01/26/2005 | CN1571993A Methods for improving high frequency reconstruction |
| 01/26/2005 | CN1571992A Frequency-differential encoding of sinusoidal model parameters |
| 01/26/2005 | CN1571014A Method for compiling variable voice signal |
| 01/26/2005 | CN1186929C Digital video recording equipment |
| 01/26/2005 | CN1186909C Multichannel interconnected vocoder and its realizing method |
| 01/26/2005 | CN1186766C CELP speech coder-decoder, CELP tone augmentation system and CELP method |
| 01/26/2005 | CN1186765C Method for encoding 2.3kb/s harmonic wave excited linear prediction speech |
| 01/25/2005 | US6847929 Algebraic codebook system and method |
| 01/25/2005 | US6847928 Speech decoder and speech decoding method |
| 01/25/2005 | CA2218957C Steganography systems |