| 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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| 08/16/2006 | CN1270467C Method to detect and conceal corrupted signal parameters in coded speech communication |
| 08/16/2006 | CN1270444C Noise cancellor |
| 08/16/2006 | CN1270292C Speech bandwidth extension and speech bandwidth extension method |
| 08/16/2006 | CN1270291C Filter device and methods |
| 08/16/2006 | CN1270290C Subband analysis and composition filtering method |
| 08/15/2006 | US7092911 Reproducing apparatus and reproducing method |
| 08/15/2006 | US7092889 Audio signal processing apparatus |
| 08/15/2006 | US7092885 Sound encoding method and sound decoding method, and sound encoding device and sound decoding device |
| 08/15/2006 | US7092880 Apparatus and method for quantitative measurement of voice quality in packet network environments |
| 08/15/2006 | US7092879 Techniques for quantization of spectral data in transcoding |
| 08/15/2006 | US7092878 Speech synthesis using multi-mode coding with a speech segment dictionary |
| 08/15/2006 | US7092877 Method for suppressing noise as well as a method for recognizing voice signals |
| 08/15/2006 | US7092876 Audio signal processing apparatus |
| 08/15/2006 | US7092875 Speech transcoding method and apparatus for silence compression |
| 08/15/2006 | US7092514 Audibility enhancement |
| 08/15/2006 | US7092406 Computer implemented communication apparatus and method |
| 08/15/2006 | US7092382 Method for improving the quality of an audio transmission via a packet-oriented communication network and communication system for implementing the method |
| 08/10/2006 | WO2006084003A2 Method for discontinuous transmission and accurate reproduction of background noise information |
| 08/10/2006 | WO2006083826A1 Frame erasure concealment in voice communications |
| 08/10/2006 | WO2006082790A1 Scalable encoding device and scalable encoding method |
| 08/10/2006 | WO2006010002A3 Method and apparatus for nonlinear frequency analysis of structured signals |
| 08/10/2006 | US20060178877 Audio Segmentation and Classification |
| 08/10/2006 | US20060178876 Speech signal compression device speech signal compression method and program |
| 08/10/2006 | US20060178875 Training wideband acoustic models in the cepstral domain using mixed-bandwidth training data and extended vectors for speech recognition |
| 08/10/2006 | US20060178872 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same |
| 08/10/2006 | US20060178871 Training wideband acoustic models in the cepstral domain using mixed-bandwidth training data for speech recognition |
| 08/10/2006 | US20060178870 Processing of multi-channel signals |
| 08/10/2006 | DE60207731T2 Datenschutzsystem und -verfahren für audio-video übertragung Privacy System and method for audio-video transmission |
| 08/09/2006 | EP1688954A2 MPEG portable sound reproducing system and a reproducing method thereof |
| 08/09/2006 | EP1688920A1 Speech signal decoding |
| 08/09/2006 | EP1688918A1 Speech decoding |
| 08/09/2006 | EP1688917A1 Voice/musical sound encoding device and voice/musical sound encoding method |
| 08/09/2006 | EP1688916A2 Method and apparatus for recovering line spectrum pair parameter and speech decoding apparatus using same |
| 08/09/2006 | EP1687810A1 Device and method for determining a quantiser step size |
| 08/09/2006 | EP1687809A1 Device and method for reconstruction a multichannel audio signal and for generating a parameter data record therefor |
| 08/09/2006 | EP1687808A1 Audio coding |
| 08/09/2006 | EP1337999B1 Method and system for comfort noise generation in speech communication |
| 08/09/2006 | EP1232494B1 Gain-smoothing in wideband speech and audio signal decoder |
| 08/09/2006 | EP0962097A4 Method of transferring media files over a communications network |
| 08/09/2006 | EP0450064B2 Digital speech coder having improved sub-sample resolution long-term predictor |
| 08/09/2006 | CN1816847A Fidelity-optimised variable frame length encoding |
| 08/09/2006 | CN1815894A Audio-frequency signal coding method and apparatus |
| 08/09/2006 | CN1815558A Low bit-rate coding of unvoiced segments of speech |
| 08/09/2006 | CN1269314C Data processing apparatus |
| 08/09/2006 | CN1269128C Method for receiving LPCM audio-frequency data using digital interface |
| 08/09/2006 | CN1269106C Chinese voice signal process method for digital deaf-aid |
| 08/08/2006 | US7089181 Enhancing the intelligibility of received speech in a noisy environment |
| 08/08/2006 | US7089180 Method and device for coding speech in analysis-by-synthesis speech coders |
| 08/08/2006 | US7089179 Voice coding method, voice coding apparatus, and voice decoding apparatus |
| 08/08/2006 | US7089176 Method and system for increasing audio perceptual tone alerts |
| 08/03/2006 | WO2006080358A1 Voice encoding device, and voice encoding method |
| 08/03/2006 | WO2006079350A1 Method for concatenating frames in communication system |
| 08/03/2006 | WO2006079349A1 Method for weighted overlap-add |
| 08/03/2006 | WO2006079348A1 Method for generating concealment frames in communication system |
| 08/03/2006 | WO2005034398A3 Data hiding via phase manipulation of audio signals |
| 08/03/2006 | US20060173677 Audio encoding device, audio decoding device, audio encoding method, and audio decoding method |
| 08/03/2006 | US20060173675 Switching between coding schemes |
| 08/03/2006 | US20060171559 Authentication of identification documents |
| 08/03/2006 | US20060171542 Coding of main and side signal representing a multichannel signal |
| 08/03/2006 | DE60207061T2 Audiokompression Audio compression |
| 08/02/2006 | EP1686578A2 Data processing circuit, reproduction apparatus, data processing method, reproduction method, storage medium in which data processing program is stored, and storage medium in which reproduction program is stored |
| 08/02/2006 | EP1686563A2 Method and apparatus for speech decoding |
| 08/02/2006 | EP1686562A2 Method and apparatus for encoding and decoding multi-channel signals |
| 08/02/2006 | EP1493146B1 Encoding and decoding devices, methods and programs |
| 08/02/2006 | EP1452027B1 Access to encrypted broadcast content |
| 08/02/2006 | EP1183681B1 Sub-packet insertion for packet loss compensation in voice over ip networks |
| 08/02/2006 | EP1131892B1 Signal processing apparatus and method |
| 08/02/2006 | EP1088303B1 Method and apparatus for performing frame erasure concealment |
| 08/02/2006 | EP1050040B1 A decoding method and system comprising an adaptive postfilter |
| 08/02/2006 | EP0998741B1 Speech encoder and speech decoder |
| 08/02/2006 | CN1813286A Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| 08/02/2006 | CN1812589A Software-based audio rendering |
| 08/02/2006 | CN1812269A Audio signal outputting device and method in mobile communication terminating machine |
| 08/02/2006 | CN1811961A MP3 file generating method and playing method for generated MP3 file |
| 08/02/2006 | CN1811917A System and method for searching coding vector of voice signal in speech encoder |
| 08/02/2006 | CN1267922C Voice code and decode method,and voice transmission and receiving method |
| 08/02/2006 | CN1267920C Signal processing method and device |
| 08/02/2006 | CN1267892C Method for estimating value of tone using variable step pitch |
| 08/02/2006 | CN1267891C Voice communication system and method for processing drop-out fram |
| 08/02/2006 | CN1267890C Device and method for enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| 08/02/2006 | CN1267886C Method and apparatus for encoding and decoding pause information |
| 08/01/2006 | US7085724 Linking in parametric encoding |
| 08/01/2006 | US7085721 Method and apparatus for fundamental frequency extraction or detection in speech |
| 08/01/2006 | US7085714 Receiver for encoding speech signal using a weighted synthesis filter |
| 08/01/2006 | US7085713 Audio signal processing apparatus |
| 08/01/2006 | US7085712 Method and apparatus for subsampling phase spectrum information |
| 08/01/2006 | US7085711 Method and apparatus for blind separation of an overcomplete set mixed signals |
| 08/01/2006 | US7085710 Vehicle computer system audio entertainment system |
| 08/01/2006 | US7085635 Enhanced automotive monitoring system using sound |
| 08/01/2006 | US7085377 Information delivery in a multi-stream digital broadcasting system |
| 08/01/2006 | CA2336360C Speech coder |
| 07/27/2006 | WO2006077062A1 Method of generating a footprint for an audio signal |
| 07/27/2006 | WO2006077061A1 Method of embedding a digital watermark in a useful signal |
| 07/27/2006 | WO2006050112A3 Audio spatial environment engine |
| 07/27/2006 | US20060168448 Raising detectability of additonal data in a media signal having few frequency components |
| 07/27/2006 | US20060168305 Packetization of variable bit rate encoded data based on rate control |
| 07/27/2006 | US20060167693 Method and apparatus for performing packet loss or frame erasure concealment |
| 07/27/2006 | US20060167690 Speech signal compression device, speech signal compression method, and program |
| 07/27/2006 | US20060167683 Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal |
| 07/27/2006 | US20060167682 Adaptive and progressive audio stream descrambling |