Patents
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)
04/2007
04/19/2007WO2007042108A1 Temporal and spatial shaping of multi-channel audio signals
04/19/2007WO2007010479A3 Audio signal modification
04/19/2007US20070088545 LPC-to-MELP transcoder
04/19/2007US20070088543 Multimode speech coding apparatus and decoding apparatus
04/19/2007US20070088542 Systems, methods, and apparatus for wideband speech coding
04/19/2007US20070088541 Systems, methods, and apparatus for highband burst suppression
04/19/2007US20070088540 Voice data processing method and device
04/18/2007EP1775720A1 Apparatus and program for separating a desired sound from a mixed input sound
04/18/2007EP1775718A1 Audio encoding apparatus and audio encoding method
04/18/2007EP1775717A1 Audio decoding device and compensation frame generation method
04/18/2007EP1774791A1 Context-based encoding and decoding of signals
04/18/2007EP1774516A2 Automatic speech recognition channel normalization
04/18/2007EP1774515A1 Apparatus and method for generating a multi-channel output signal
04/18/2007EP1774514A2 Method and apparatus for nonlinear frequency analysis of structured signals
04/18/2007EP1537562B1 Low bit-rate audio coding
04/18/2007EP1145221B1 A method and apparatus for determining speech coding parameters
04/18/2007CN1950883A Scalable decoder and expanded layer disappearance hiding method
04/18/2007CN1950815A Information signal processing by carrying out modification in the spectral/modulation spectral region representation
04/18/2007CN1949910A Mobile communication system, base station controller and load state testing method thereof
04/18/2007CN1949743A Method for identifying net load type in multi-protocol sign exchange network
04/18/2007CN1311652C Wireless clock synchronization
04/18/2007CN1311426C Coding of stereo signals
04/18/2007CN1311425C Audio data processing method and losslessly encoding method
04/18/2007CN1311424C Audio data interpolation apparatus and method, audio data-related information creation apparatus and method, audio data interpolation information transmission apparatus and method, program and
04/17/2007US7206986 Method for replacing corrupted audio data
04/17/2007US7206743 Method and apparatus for evaluating the voice quality of telephone calls
04/17/2007US7206740 Efficient excitation quantization in noise feedback coding with general noise shaping
04/17/2007US7206739 Excitation codebook search method in a speech coding system
04/17/2007US7206649 Audio watermarking with dual watermarks
04/17/2007US7205919 Digital signal processing apparatus and digital signal processing method
04/17/2007US7205910 Signal encoding apparatus and signal encoding method, and signal decoding apparatus and signal decoding method
04/17/2007CA2278646C A method and device for interfacing variable-rate sampled digital audio information to a string of uniform-sized blocks, and a unitary medium so produced by a write-interfacing
04/12/2007WO2007040374A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040373A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040372A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040371A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040368A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040367A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040366A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040365A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040364A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040363A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040362A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040361A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040360A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040359A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040358A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040357A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040356A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040355A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040354A1 Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
04/12/2007WO2007040353A1 Method and apparatus for signal processing
04/12/2007WO2007040350A1 Method and apparatus for signal processing
04/12/2007WO2007040349A1 Method and apparatus for signal processing
04/12/2007WO2007040328A1 Method and device to provide arithmetic decoding of scalable bsac audio data
04/12/2007WO2007007001A3 Hierarchical encoding/decoding device
04/12/2007WO2005098823A3 Lossless multi-channel audio codec
04/12/2007WO2005017712A3 Intelligent total access system
04/12/2007US20070083364 Method and System for Reduction of Quantization-Induced Block-Discontinuities and General Purpose Audio Codec
04/12/2007US20070083363 Method, medium, and apparatus encoding/decoding audio data with extension data
04/12/2007US20070083362 Digital signal coding and decoding methods and apparatuses and programs therefor
04/12/2007US20070083361 Method and apparatus for disturbing the radiated voice signal by attenuation and masking
04/11/2007EP1772856A1 Method and system for estimating artificial high band signal in speech codec
04/11/2007EP1771991A1 Method and system for packetized content streaming optimisation
04/11/2007EP1621047B1 Audio signal generation
04/11/2007EP1483758A4 Method for adaptive codebook pitch-lag computation in audio transcoders
04/11/2007EP1238481B1 Method for decoding digital audio data
04/11/2007EP0898777B1 Method and apparatus for accessing content stored on a dvd
04/11/2007CN1947407A Audio communication method and device
04/11/2007CN1947340A Adaptive quantiser
04/11/2007CN1947174A Scalable encoding device, scalable decoding device, and method thereof
04/11/2007CN1947173A Hierarchy encoding apparatus and hierarchy encoding method
04/11/2007CN1947172A Method, device, encoder apparatus, decoder apparatus and frequency system
04/11/2007CN1947095A 数据处理程序及数据处理装置 The data processing procedures and data processing means
04/11/2007CN1946230A Anti-theft method for cell phone
04/11/2007CN1946030A Set up method and its system for broadcast multi-cast service transmission mode
04/11/2007CN1945696A Method and apparatus for selecting an encoding rate in a variable rate vocoder
04/11/2007CN1945695A Method and apparatus to encode/decode audio signal
04/11/2007CN1310508C Data transmitting device and method
04/11/2007CN1310432C Voice coding, decoding and transmission method
04/11/2007CN1310431C Equipment and method for coding frequency signal
04/11/2007CN1310241C Voice coding method and decoding method, and voice transmission method
04/11/2007CN1310240C Voice coding method and decoding method, and voice transmission method
04/11/2007CN1310238C Transmitter for sending digital information signal, method and receiver for receiving signal
04/11/2007CN1310210C Audio coding system using characteristics of a decoded signal to adapt synthesized spectral components
04/10/2007US7203641 Voice encoding method and apparatus
04/10/2007US7203638 Method for interoperation between adaptive multi-rate wideband (AMR-WB) and multi-mode variable bit-rate wideband (VMR-WB) codecs
04/10/2007US7203637 Transmission of compressed information with real time requirement in a packet oriented information network
04/10/2007US7203325 Audio processing device
04/10/2007US7203312 Data reproduction apparatus and data reproduction module
04/10/2007US7203012 Signal processing apparatus
04/10/2007US7201317 Method and system for illustrating sound and text
04/05/2007WO2007037641A1 Optional encoding system and method for operating the system
04/05/2007WO2007037621A1 Method and apparatus for encoding/decoding multi-channel audio signal
04/05/2007WO2007037613A1 Method and apparatus for encoding/decoding multi-channel audio signal
04/05/2007WO2007037361A1 Audio encoding device and audio encoding method
04/05/2007WO2007037359A1 Speech coder and speech coding method
04/05/2007WO2007008000A3 Apparatus and method of encoding and decoding audio signal
04/05/2007WO2006107839A3 Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
04/05/2007US20070078651 Device and method for encoding, decoding speech and audio signal