| 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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| 06/12/2007 | US7231520 Method of, and apparatus for, recording/reproducing data to/from recording medium having copyright management data recorded therein |
| 06/12/2007 | US7231345 Method and apparatus for transcoding between different speech encoding/decoding systems |
| 06/12/2007 | US7231344 Method and apparatus for gradient-descent based window optimization for linear prediction analysis |
| 06/12/2007 | US7231271 Steganographic method for covert audio communications |
| 06/07/2007 | WO2007064256A2 Efficient speech stream conversion |
| 06/07/2007 | WO2007063913A1 Subband coding apparatus and method of coding subband |
| 06/07/2007 | WO2007063910A1 Scalable coding apparatus and scalable coding method |
| 06/07/2007 | WO2007063625A1 Signal processor and method of processing signal |
| 06/07/2007 | WO2007063555A2 Method for scale-factor estimation in an audio encoder |
| 06/07/2007 | US20070129940 Method and apparatus for determining an estimate |
| 06/07/2007 | US20070129939 Method for scale-factor estimation in an audio encoder |
| 06/07/2007 | US20070129109 Method for accessing content from a computer network via a mobile phone |
| 06/07/2007 | US20070127733 Scheme for Generating a Parametric Representation for Low-Bit Rate Applications |
| 06/07/2007 | US20070127729 Audio coding |
| 06/07/2007 | US20070127585 Encoding apparatus, encoding method, and computer product |
| 06/06/2007 | EP1793373A1 Audio encoding apparatus, audio decoding apparatus, communication apparatus and audio encoding method |
| 06/06/2007 | EP1793372A1 Sound encoding device and sound encoding method |
| 06/06/2007 | EP1793370A2 Apparatus and method for creating pitch wave signals and apparatus and method for compressing, expanding and synthesizing speech signals using these pitch wave signals |
| 06/06/2007 | EP1792520A1 Audio signal enhancement |
| 06/06/2007 | EP1792306A2 Combined audio coding minimizing perceptual distortion |
| 06/06/2007 | EP1792305A1 Method and device for evaluating the efficiency of a noise reducing function for audio signals |
| 06/06/2007 | EP1792304A1 Frequency compensation for perceptual speech analysis |
| 06/06/2007 | EP1654674B1 Device and method for processing at least two input values |
| 06/06/2007 | CN1977333A Recording device, recording method, reproducing device, reproducing method, program, and recording medium |
| 06/06/2007 | CN1977311A Audio encoding device, audio decoding device, and method thereof |
| 06/06/2007 | CN1977310A Scale searching for watermark detection |
| 06/06/2007 | CN1977309A Multichannel signal encoding method, its decoding method, devices for these, program, and its recording medium |
| 06/06/2007 | CN1976236A Audio decoding system, multimedia decoding system and track reconfiguration method |
| 06/06/2007 | CN1975861A Vocoder fundamental tone cycle parameter channel error code resisting method |
| 06/06/2007 | CN1975860A Method for high frequency reconstruction and apparatus thereof |
| 06/06/2007 | CN1975859A 音频处理 Audio Processing |
| 06/06/2007 | CN1320521C Method and device for selecting coding speed in variable speed vocoder |
| 06/06/2007 | CN1320442C Audio processing circuit and related method |
| 06/05/2007 | US7228280 Finding database match for file based on file characteristics |
| 06/05/2007 | US7228273 Voice control method |
| 06/05/2007 | US7228272 Continuous time warping for low bit-rate CELP coding |
| 06/05/2007 | US7227964 Audio signal processing apparatus and audio signal processing method |
| 06/05/2007 | US7227952 System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 06/05/2007 | CA2307772C Method for controlling a transcoder of a mobile communication system |
| 05/31/2007 | WO2007043388B1 Acoustic signal processing device and acoustic signal processing method |
| 05/31/2007 | US20070124646 Recording medium, recording method and apparatus, reproducing method and apparatus, data transmitting method, and data decrypting method |
| 05/31/2007 | US20070124270 System and methods for an identity theft protection bot |
| 05/31/2007 | US20070124150 Audio device |
| 05/31/2007 | US20070124141 Audio Encoding System |
| 05/31/2007 | US20070124140 Method for extending the spectral bandwidth of a speech signal |
| 05/31/2007 | US20070124139 Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals |
| 05/31/2007 | US20070124138 Transcoding between the indices of multipulse dictionaries used in compressive coding of digital signals |
| 05/31/2007 | US20070124137 Highly optimized nonlinear least squares method for sinusoidal sound modelling |
| 05/31/2007 | US20070124135 Impairment detection using speech |
| 05/31/2007 | US20070122044 Program, method, and apparatus for decoding coded data |
| 05/31/2007 | US20070121952 Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| 05/30/2007 | EP1791116A1 Scalable encoding apparatus, scalable decoding apparatus, scalable encoding method, scalable decoding method, communication terminal apparatus, and base station apparatus |
| 05/30/2007 | EP1791115A2 Classification-based frame loss concealment for audio signals |
| 05/30/2007 | EP1789955A1 Method and device for transcoding |
| 05/30/2007 | EP1789954A1 Partially complex modulated filter bank |
| 05/30/2007 | EP1730725A4 Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| 05/30/2007 | EP1684467B1 Power saving via variable listen intervals in a WLAN |
| 05/30/2007 | EP1500087B1 On-line parametric histogram normalization for noise robust speech recognition |
| 05/30/2007 | EP1320849B1 Multi-channel signal encoding and decoding |
| 05/30/2007 | EP1279167B1 Method and apparatus for predictively quantizing voiced speech |
| 05/30/2007 | CN1973321A Method of audio encoding |
| 05/30/2007 | CN1973320A Stereo coding and decoding methods and apparatuses thereof |
| 05/30/2007 | CN1973319A Method and apparatus to encode and decode multi-channel audio signals |
| 05/30/2007 | CN1973318A Method for coding and decoding the wideness of a sound source in an audio scene |
| 05/30/2007 | CN1972308A Method for opening channel of DSP-based single-chip multi-channel multi-voice codec |
| 05/30/2007 | CN1972132A Sound processing mode |
| 05/30/2007 | CN1971734A Method for embedding and extracting authentication information of numeric music works |
| 05/30/2007 | CN1971710A Single-chip based multi-channel multi-voice codec scheduling method |
| 05/30/2007 | CN1971707A Method and apparatus for estimating fundamental tone period and adjudging unvoiced/voiced classification |
| 05/30/2007 | CN1319045C Signal receiving and transmission method and corresponding background signal generator |
| 05/30/2007 | CN1319044C Method and apparatus for decoding a coded digital audio signal which is arranged in frames containing headers |
| 05/30/2007 | CN1319043C Method and apparatus for coding/decoding AF signal and system comprising this apparatus |
| 05/30/2007 | CN1319017C Lossless inter-frame encoding device and method using GOLOMB-RICE |
| 05/30/2007 | CN1319002C Data transmission system, device and method |
| 05/29/2007 | US7225388 Error correction encoding and decoding methods and apparatuses for DVI audio data |
| 05/29/2007 | US7225380 Audio decoder and audio decoding method |
| 05/29/2007 | US7225136 Data compression and expansion of an audio signal |
| 05/29/2007 | US7225135 Signal-predictive audio transmission system |
| 05/29/2007 | US7225123 Method for compressing audio signal using wavelet packet transform and apparatus thereof |
| 05/29/2007 | US7225001 System and method for distributed noise suppression |
| 05/29/2007 | US7224819 Integrating digital watermarks in multimedia content |
| 05/29/2007 | US7224747 Generating coefficients for a prediction filter in an encoder |
| 05/29/2007 | US7224294 Compressing device and method, decompressing device and method, compressing/decompressing system, program, record medium |
| 05/29/2007 | CA2313219C Audio codec with agc controlled by a vocoder |
| 05/24/2007 | WO2007058465A1 Methods and apparatuses to quantize and de-quantize linear predictive coding coefficient |
| 05/24/2007 | WO2006132857A3 Apparatus and method for encoding audio signals with decoding instructions |
| 05/24/2007 | US20070118379 Method for speech coding, method for speech decoding and their apparatuses |
| 05/24/2007 | US20070118371 Methods and apparatuses for variable dimension vector quantization |
| 05/24/2007 | US20070118370 Methods and apparatuses for variable dimension vector quantization |
| 05/24/2007 | US20070118369 Classification-based frame loss concealment for audio signals |
| 05/24/2007 | US20070118368 Audio encoding apparatus and audio encoding method |
| 05/24/2007 | US20070118367 Method and device for low delay processing |
| 05/24/2007 | US20070118366 Methods and apparatuses for variable dimension vector quantization |
| 05/24/2007 | US20070118365 Methods and apparatuses for variable dimension vector quantization |
| 05/24/2007 | US20070118362 Audio compression/decompression device |
| 05/24/2007 | US20070118361 Window apparatus and method |
| 05/24/2007 | US20070116324 Method and apparatus for transmitting watermark data bits using a spread spectrum, and for regaining watermark data bits embedded in a spread spectrum |
| 05/24/2007 | US20070115153 Method and device to provide arithmetic decoding of scalable bsac audio data |
| 05/24/2007 | US20070114788 Identification Documents and Authentication of Such Documents |
| 05/23/2007 | EP1788556A1 Scalable decoding device and signal loss concealment method |