| 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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| 05/29/2001 | US6240382 Efficient codebook structure for code excited linear prediction coding |
| 05/29/2001 | US6240380 System and method for partially whitening and quantizing weighting functions of audio signals |
| 05/29/2001 | US6240379 System and method for preventing artifacts in an audio data encoder device |
| 05/29/2001 | US6240299 Cellular radiotelephone having answering machine/voice memo capability with parameter-based speech compression and decompression |
| 05/29/2001 | US6239728 Dual rate encoding scheme and apparatus using the same |
| 05/29/2001 | CA2228183C Speech coder/decoder |
| 05/29/2001 | CA2209384C Speech coding method using synthesis analysis |
| 05/29/2001 | CA2142391C Computational complexity reduction during frame erasure or packet loss |
| 05/29/2001 | CA2021602C Method for improving speech quality in code excited linear predictive speech coding |
| 05/25/2001 | WO2001037522A1 System and method for wireless communication incorporating error concealment |
| 05/25/2001 | WO2001037282A1 Digital recording and playback system |
| 05/25/2001 | WO2001037264A1 Gain-smoothing in wideband speech and audio signal decoder |
| 05/25/2001 | WO2001037263A1 Wideband audio transmission system |
| 05/25/2001 | WO2001037258A1 Information processor and processing method, and information storage medium |
| 05/25/2001 | CA2358713A1 Information processor and processing method, and information storage medium |
| 05/23/2001 | EP1102461A2 Bookmarking voice messages |
| 05/23/2001 | EP1102270A1 Opitical disk, and method and device for recording/reproducing data on/from optical disk |
| 05/23/2001 | EP1102242A1 Method for personalising speech output |
| 05/23/2001 | EP1101378A1 Method for transmitting digital useful data |
| 05/23/2001 | EP1101296A1 Communication system with fast control traffic |
| 05/23/2001 | EP1101289A1 Method for inserting auxiliary data in an audio data stream |
| 05/23/2001 | EP0812453B1 Processing speech coding parameters in a telecommunication system |
| 05/23/2001 | EP0804787B1 Method and device for resynthesizing a speech signal |
| 05/23/2001 | CN1296608A Sound source vector generator and device encoder/decoder |
| 05/23/2001 | CN1296258A Noise canceller |
| 05/22/2001 | US6236961 Speech signal coder |
| 05/22/2001 | US6236960 Factorial packing method and apparatus for information coding |
| 05/17/2001 | WO2001035394A2 Integrated voice and data transmission based on bit importance ranking |
| 05/17/2001 | WO2001035393A1 Non-intrusive speech-quality assessment |
| 05/17/2001 | US20010001320 Method and device for speech coding |
| 05/17/2001 | CA2388691A1 Non-intrusive speech-quality assessment |
| 05/16/2001 | EP1100077A2 Noise suppression apparatus |
| 05/16/2001 | EP1100076A2 Multimode speech encoder with gain smoothing |
| 05/16/2001 | EP1099215A1 Audio signal transmission system |
| 05/16/2001 | CN1295778A Low bit-rate spatial coding method and system |
| 05/16/2001 | CN1295317A Voice coding device and voice decoding device |
| 05/15/2001 | US6233554 Audio CODEC with AGC controlled by a VOCODER |
| 05/15/2001 | US6233552 Adaptive post-filtering technique based on the Modified Yule-Walker filter |
| 05/15/2001 | US6233550 Method and apparatus for hybrid coding of speech at 4kbps |
| 05/15/2001 | CA2199070C Switched filterbank for use in audio signal coding |
| 05/15/2001 | CA2194513C Speech encoding apparatus and speech encoding and decoding apparatus |
| 05/10/2001 | WO2001033905A2 System and method for providing interactive audio in a multi-channel audio environment |
| 05/10/2001 | WO2001033817A1 Communication device for integrating voice mail services and tv functions |
| 05/10/2001 | WO2001033814A1 Integrated voice processing system for packet networks |
| 05/10/2001 | WO2001033788A1 System for lost packet recovery in voice over internet protocol based on time domain interpolation |
| 05/10/2001 | WO2001033726A1 Channel coupling for an ac-3 encoder |
| 05/10/2001 | WO2001033718A1 A method of encoding frequency coefficients in an ac-3 encoder |
| 05/10/2001 | WO2001033556A1 A method of reducing memory requirements in an ac-3 audio encoder |
| 05/10/2001 | WO2001033555A1 Method of encoding an audio signal using a quality value for bit allocation |
| 05/10/2001 | WO2001033554A1 Speech recognition |
| 05/10/2001 | WO2001033548A1 Rate control device for variable-rate voice encoding system and its method |
| 05/10/2001 | WO2001033496A1 Methods for optimizing watermark detection |
| 05/10/2001 | WO2001033405A1 Digital audio decoder and related methods |
| 05/10/2001 | WO2001015358A3 Method and apparatus for transmission and reception of compressed audio frames with prioritized messages for digital audio broadcasting |
| 05/10/2001 | WO2001005074A3 Method for preparing audio data in source code and transmitter and receiver for executing same |
| 05/10/2001 | US20010001142 Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device |
| 05/10/2001 | US20010001140 Modular approach to speech enhancement with an application to speech coding |
| 05/10/2001 | US20010001139 Voice encoding device, voice decoding device, recording medium for recording program for realizing voice encoding/decoding and mobile communication device |
| 05/10/2001 | DE19947877A1 Verfahren und Vorrichtung zum Einbringen von Informationen in einen Datenstrom sowie Verfahren und Vorrichtung zum Codieren eines Audiosignals Method and apparatus for introducing information into a data stream as well as methods and apparatus for encoding an audio signal |
| 05/10/2001 | CA2390200A1 Integrated voice processing system for packet networks |
| 05/10/2001 | CA2387595A1 Speech recognition |
| 05/10/2001 | CA2325322A1 Voice coding and decoding apparatus and method thereof |
| 05/09/2001 | EP1098298A2 Speech coding with multiple long term prediction candidates |
| 05/09/2001 | EP1098297A1 Speech recognition |
| 05/08/2001 | US6230255 Communications processor for voice band telecommunications |
| 05/08/2001 | US6230136 Voice control system and navigation system using same |
| 05/08/2001 | US6230130 Scalable mixing for speech streaming |
| 05/08/2001 | US6230125 Processing speech coding parameters in a telecommunication system |
| 05/08/2001 | US6230124 Coding method and apparatus, and decoding method and apparatus |
| 05/08/2001 | US6230120 Detection of speech channel back-looping |
| 05/08/2001 | US6229924 Method and apparatus for watermarking video images |
| 05/08/2001 | US6229792 Spread spectrum communication system |
| 05/08/2001 | CA2218118C Variable rate speech coding method and decoding method |
| 05/03/2001 | WO2001031639A1 A predictive speech coder using coding scheme selection patterns to reduce sensitivity to frame errors |
| 05/03/2001 | WO2001031638A1 Handling variable delay in objective speech quality assessment |
| 05/03/2001 | WO2001031629A1 Signal processing device and method therefor and program storing medium |
| 05/03/2001 | WO2001031419A1 User-known and personally valuable encryption key |
| 05/03/2001 | WO2001003438A3 Mobile and hand-held broadcast video earth station terminals and methods for communicating with earth terminals via satellites |
| 05/03/2001 | WO2000023986A8 Method and apparatus for a tunable high-resolution spectral estimator |
| 05/02/2001 | EP1096715A2 Data recovery for wireless digital audio system |
| 05/02/2001 | EP1096476A2 Speech decoding gain control for noisy signals |
| 05/02/2001 | EP1095538A2 Audio peripheral device comprising usb interface and digital audio mixer |
| 05/02/2001 | EP1095488A1 Transcoders for fixed and variable rate data streams |
| 05/02/2001 | EP1095477A1 System and method for encoding an audio signal, by adding an inaudible code to the audio signal, for use in broadcast programme identification systems |
| 05/02/2001 | EP1095370A1 Spectral phase modeling of the prototype waveform components for a frequency domain interpolative speech codec system |
| 05/02/2001 | EP1095312A1 Printed image with related sound |
| 05/02/2001 | EP1095311A1 Selectively attachable sound storage device |
| 05/02/2001 | CN1293857A Communication device and method of operation |
| 05/02/2001 | CN1293789A Data carrier provided with at least two decoding stages |
| 05/02/2001 | CN1293523A Improvement of digital communication equipment |
| 05/02/2001 | CN1065381C 数字音频信号编码和/或译码方法 A digital audio signal encoding and / or decoding method |
| 05/01/2001 | US6226662 Signal interpolation and decimation exploiting filter symmetry |
| 05/01/2001 | US6226616 Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| 05/01/2001 | US6226608 Data framing for adaptive-block-length coding system |
| 05/01/2001 | US6226607 Method and apparatus for eighth-rate random number generation for speech coders |
| 05/01/2001 | US6226604 Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus |
| 05/01/2001 | US6226532 Cellular telephone with voice dialing function |
| 05/01/2001 | US6226422 Voice annotation of scanned images for portable scanning applications |
| 05/01/2001 | US6226361 Communication method, voice transmission apparatus and voice reception apparatus |
| 05/01/2001 | US6226328 Transcoding apparatus for digital video networking |