| 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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| 05/02/2006 | US7039204 Equalization for audio mixing |
| 05/02/2006 | US7039189 Stream continuity enforcement |
| 05/02/2006 | US7039181 Consolidated voice activity detection and noise estimation |
| 05/02/2006 | US7038711 Audio processing using a video rasterizer |
| 04/27/2006 | WO2006043218A1 Method of reducing quantization noise |
| 04/27/2006 | WO2005034081A3 A method for grouping short windows in audio encoding |
| 04/27/2006 | US20060089833 Pitch determination based on weighting of pitch lag candidates |
| 04/27/2006 | US20060089832 Method for improving the coding efficiency of an audio signal |
| 04/27/2006 | US20060087464 Digital signal processing method, processing thereof, and recording medium containing the program |
| 04/26/2006 | EP1650925A2 Distributed speech service |
| 04/26/2006 | EP1649723A1 Multi-channel synthesizer and method for generating a multi-channel output signal |
| 04/26/2006 | EP1649691A1 Apparatus and method for transmitting/receiving voice electrics program guide information |
| 04/26/2006 | EP1649453A1 Low bit-rate audio encoding |
| 04/26/2006 | EP1649452A1 Channel signal concealment in multi-channel audio systems |
| 04/26/2006 | EP1204969B1 Spectral magnitude quantization for a speech coder |
| 04/26/2006 | CN1765153A Coding of main and side signal representing a multichannel signal |
| 04/26/2006 | CN1765072A Multi sound channel AF expansion support |
| 04/26/2006 | CN1765051A Sampling rate conversion device and method, and audio device |
| 04/26/2006 | CN1764947A Method and system for increasing audio perceptual tone alerts |
| 04/26/2006 | CN1764153A Method for realizing data message transmission based on RTP |
| 04/26/2006 | CN1764073A Re-quantization method in audio decode |
| 04/26/2006 | CN1763844A End-point detecting method, apparatus and speech recognition system based on sliding window |
| 04/26/2006 | CN1254152C System and method for providing interactive audio in multi-channel audio environment |
| 04/26/2006 | CN1253852C Information transmission system, information encoding device and information decoding device |
| 04/25/2006 | USRE39080 Rate loop processor for perceptual encoder/decoder |
| 04/25/2006 | US7035794 Compressing and using a concatenative speech database in text-to-speech systems |
| 04/25/2006 | US7035793 Audio segmentation and classification |
| 04/25/2006 | US7035790 Speech processing system |
| 04/25/2006 | US7035700 Method and apparatus for embedding data in audio signals |
| 04/25/2006 | US7035427 Method and system for managing, accessing and paying for the use of copyrighted electronic media |
| 04/25/2006 | CA2426001C Method and system for estimating artificial high band signal in speech codec |
| 04/25/2006 | CA2389311C System and method for providing interactive audio in a multi-channel audio environment |
| 04/21/2006 | EP1234464A4 Mobile phone with interactive printer |
| 04/20/2006 | WO2006041165A1 Information encoding method, decoding method, common multiplier estimation method, device using these methods, program, and recording medium |
| 04/20/2006 | WO2006041137A1 Acoustic signal encoding device, and acoustic signal decoding device |
| 04/20/2006 | WO2006041055A1 Scalable encoder, scalable decoder, and scalable encoding method |
| 04/20/2006 | WO2006040917A1 Data structure, information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method, and program |
| 04/20/2006 | WO2006040565A1 Audio copy protection system |
| 04/20/2006 | WO2006018688B1 Apparatus and method for efficiently supporting voip in a wireless communication system |
| 04/20/2006 | US20060085194 Speech synthesis apparatus and method, and storage medium |
| 04/20/2006 | DE60205232T2 Verfahren und vorrichtung zur bestimmung der qualität eines sprachsignals Method and device for determining the quality of a speech signal |
| 04/20/2006 | CA2584219A1 Audio copy protection system |
| 04/19/2006 | EP1647021A2 Watermark embedding and detection |
| 04/19/2006 | EP1647010A2 Audio file format conversion |
| 04/19/2006 | EP1647009A1 Device and method for processing a signal with a sequence of discrete values |
| 04/19/2006 | EP1495604A4 Communications gateway with messaging communications interface |
| 04/19/2006 | EP1395982B1 Adpcm speech coding system with phase-smearing and phase-desmearing filters |
| 04/19/2006 | EP1076965B1 Delayed packet concealment method and apparatus |
| 04/19/2006 | CN1762099A Floating point type digital signal reversible encoding method, decoding method, devices for them, and programs for them |
| 04/19/2006 | CN1761998A Processing of multi-channel signals |
| 04/19/2006 | CN1761334A Implementation system for passing through speech, and implementation method for passing through speech |
| 04/19/2006 | CN1761308A Digital media general basic stream |
| 04/19/2006 | CN1760975A Searching method of fixing up codebook quickly for enhanced AMR encoder |
| 04/19/2006 | CN1252681C Gains quantization for a clep speech coder |
| 04/19/2006 | CN1252680C Voice encoding system and voice encoding method |
| 04/19/2006 | CN1252679C Voice encoder, voice decoder, voice encoder/decoder, and voice encoding method |
| 04/19/2006 | CN1252678C Compressible stereo audio frequency encoding/decoding method and device |
| 04/19/2006 | CN1252676C Data reproducer |
| 04/19/2006 | CN1252585C Method for editing audio data, and digital audio playback device |
| 04/18/2006 | US7031992 Hardware function generator support in a DSP |
| 04/18/2006 | US7031926 Spectral parameter substitution for the frame error concealment in a speech decoder |
| 04/18/2006 | US7031914 Systems and methods for concatenating electronically encoded voice |
| 04/18/2006 | US7031913 Method and apparatus for decoding speech signal |
| 04/18/2006 | US7031912 Speech coding apparatus capable of implementing acceptable in-channel transmission of non-speech signals |
| 04/18/2006 | US7031905 Audio signal processing apparatus |
| 04/18/2006 | US7030812 Wireless clock synchronization |
| 04/18/2006 | US7030811 Methods and apparatus for identifying asset location in communication networks |
| 04/13/2006 | WO2006037778A1 Providing a common platform for the encoder and decoder of various celp codes |
| 04/13/2006 | WO2005093717A8 Synthesizing a mono audio signal based on an encoded miltichannel audio signal |
| 04/13/2006 | US20060080556 Hiding and detecting messages in media signals |
| 04/13/2006 | US20060080109 Audio decoding apparatus |
| 04/13/2006 | US20060080094 Reproduction device and reproduction method |
| 04/13/2006 | US20060080091 Speech coder and speech decoder |
| 04/13/2006 | US20060080090 Reusing codebooks in parameter quantization |
| 04/13/2006 | US20060080086 Auxiliary channel masking in an audio signal |
| 04/13/2006 | DE10339498B4 Audiodateiformatumwandlung Audio file format conversion |
| 04/12/2006 | EP1646036A2 Information transmitting apparatus |
| 04/12/2006 | EP1645058A2 Data hiding via phase manipulation of audio signals |
| 04/12/2006 | EP1397798B1 Unified filter bank for audio coding |
| 04/12/2006 | EP1386308B1 Adpcm speech coding system with specific step-size adaptation |
| 04/12/2006 | EP1080579B1 Scalable audio coder and decoder |
| 04/12/2006 | CN1759616A Data encoding device and data encoding method and computer program |
| 04/12/2006 | CN1758733A Recording and reproducing device and method and program thereof |
| 04/12/2006 | CN1758694A Device for generation confortable noise |
| 04/12/2006 | CN1758682A Stereo mobile terminal and method for calling using the stereo mobile terminal |
| 04/12/2006 | CN1758338A Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 04/12/2006 | CN1758337A Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| 04/12/2006 | CN1758336A Efficient and scalable parametric stereo coding for low bit rate audio coding applications |
| 04/12/2006 | CN1758335A Efficient and scalable parametric stereo coding for low bit rate audio coding applications |
| 04/12/2006 | CN1758334A Enhancing perceptual quality of SBR (spectral band replication) and HFR (high frequency reconstruction) coding methods by adaptive noise-floor addition and noise substitution limiting |
| 04/12/2006 | CN1758333A Method of embedding sound field control factor and method of processing sound field |
| 04/12/2006 | CN1251475C Acoustic processor and processing method |
| 04/12/2006 | CN1251467C Transmission of digital information signal having specific first sampling frequency |
| 04/12/2006 | CN1251463C Voice transmitter |
| 04/12/2006 | CN1251177C Inverse filtering method, synthesis filtering method, inverse filter device, synthesis filter device and devices comprising such filter devices |
| 04/12/2006 | CN1251176C Transmission system including at least a coder |
| 04/12/2006 | CN1251175C An audio synthesis method |
| 04/12/2006 | CN1251159C Method and system for device control |
| 04/11/2006 | US7028340 Apparatus, a system and method for controlling access to contents |
| 04/11/2006 | US7027989 Method and apparatus for transmitting real-time data in multi-access systems |