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)
06/2012
06/21/2012US20120155653 Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
06/21/2012CA2821603A1 Encoder and method for predictively encoding, decoder and method for decoding, system and method for predictively encoding and decoding and predictively encoded information signal
06/20/2012EP2466580A1 Encoder and method for predictively encoding, decoder and method for decoding, system and method for predictively encoding and decoding and predictively encoded information signal
06/20/2012EP2465114A1 System for adaptively streaming audio objects
06/20/2012EP2465113A1 Method and system for determining a perceived quality of an audio system
06/20/2012EP2465112A1 Method and system for determining a perceived quality of an audio system
06/20/2012EP2209271B1 Packet loss concealment method and system thereof
06/20/2012EP1908057B1 Method and apparatus for decoding an audio signal
06/20/2012EP1851759B1 Improved filter smoothing in multi-channel audio encoding and/or decoding
06/20/2012CN1975859B Audio processing method and device
06/20/2012CN102511062A Allocation of bits in an enhancement coding/decoding for improving a hierarchical coding/decoding of digital audio signals
06/20/2012CN102509551A Audio steganalysis algorithm based on variance of difference of sum cepstrum
06/20/2012CN102509550A Sound information processing method and user equipment
06/20/2012CN102509546A Noise reduction and abnormal sound detection method applied to rail transit
06/20/2012CN101925953B Encoding device, decoding device, and method thereof
06/20/2012CN101783141B Coding apparatus and decoding apparatus
06/20/2012CN101727905B Method for acquiring vocal print picture with refined time-frequency structure
06/20/2012CN101675472B A method and an apparatus for processing an audio signal
06/20/2012CN101622663B Encoding device and encoding method
06/20/2012CN101578658B 音频译码器 Audio decoder
06/20/2012CN101556801B Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
06/20/2012CN101548319B Post filter and filtering method
06/20/2012CN101253557B 立体声编码装置及立体声编码方法 Stereo coding apparatus and stereo coding method
06/20/2012CN101202046B Sound encoder and sound decoder
06/20/2012CN101128867B Improved filter smoothing in multi-channel audio encoding and/or decoding
06/19/2012US8205167 Analyzing user viewership of advertisements appearing in a screen display in a user terminal
06/19/2012US8204756 Methods and apparatuses for encoding and decoding object-based audio signals
06/19/2012US8204754 System and method for an improved voice detector
06/19/2012US8204745 Encoder, decoder, encoding method, and decoding method
06/19/2012US8204744 Optimization of MP3 audio encoding by scale factors and global quantization step size
06/19/2012US8204742 System for processing an audio signal to enhance speech intelligibility
06/19/2012US8204740 Variable frame offset coding
06/19/2012US8204239 Audio processing method and audio processing apparatus
06/19/2012US8204222 Steganographic encoding and decoding of auxiliary codes in media signals
06/14/2012WO2012078142A1 Audio fingerprint differences for end-to-end quality of experience measurement
06/14/2012WO2012078111A1 A method for optimizing reproduction of audio signals from an apparatus for audio reproduction
06/14/2012WO2012077555A1 Track order determination device, track order determination method, and track order determination program
06/14/2012WO2012076689A1 Psychoacoustic filter design for rational resamplers
06/14/2012WO2012053798A3 Apparatus and method for determining weighting function having low complexity for linear predictive coding (lpc) coefficients quantization
06/14/2012WO2012050382A3 Method and apparatus for downmixing multi-channel audio signals
06/14/2012US20120150535 Method for speech coding, method for speech decoding and their apparatuses
06/14/2012US20120148057 Method and System for Determining a Perceived Quality of an Audio System
06/13/2012EP2462698A1 Encoder and decoder using arithmetic stage to compress code space that is not fully utilized
06/13/2012EP2462697A1 Arithmetic encoding for factorial pulse coder
06/13/2012EP2062254B1 Steganography in digital signal encoders
06/13/2012EP1849158B1 Method for discontinuous transmission and accurate reproduction of background noise information
06/13/2012EP1506692B1 Method for preserving matrix surround information in encoded audio/video
06/13/2012EP1257938B1 Sensing device for coded electronic ink surface
06/13/2012CN102498515A A method and an apparatus for processing an audio signal
06/13/2012CN102497226A Audio code transmission method for optical fiber repeater, and audio code transmission optical fiber repeater
06/13/2012CN102496372A Low-code-rate audio quality objective evaluation method based on nonlinear parameter fitting
06/13/2012CN102496371A Digital watermark method for audio carrier
06/13/2012CN102496370A L-band satellite mobile communication system vocoder pool
06/13/2012CN102496369A Objective assessment method for audio quality of compressed domain based on distortion correction
06/13/2012CN102496368A Improved vector quantization method
06/13/2012CN102496367A Audio blind watermark algorithm based on combination of discrete wavelet transformation (DWT), discrete cosine transformation (DCT) and singular value decomposition (SVD)
06/13/2012CN102097098B Digital steganography and digital extraction methods with compressed audio as masking carrier
06/13/2012CN101996636B Sub-band voice codec with multi-stage codebooks and redundant coding
06/13/2012CN101751928B Method for simplifying acoustic model analysis through applying audio frame frequency spectrum flatness and device thereof
06/13/2012CN101668271B Telecommunication terminal able to modify the voice transmitted during a telephone call
06/13/2012CN101622665B Encoding device and encoding method
06/13/2012CN101248484B Method and apparatus for encoding and decoding an audio signal
06/12/2012US8200500 Cue-based audio coding/decoding
06/12/2012US8200498 Secure audio stream scramble system
06/12/2012US8200496 Audio signal decoder and method for producing a scaled reconstructed audio signal
06/12/2012US8200483 Adaptive sound source vector quantization device, adaptive sound source vector inverse quantization device, and method thereof
06/12/2012US8200482 Systems, methods and apparatus for transmitting data over a voice channel of a telephone network using linear predictive coding based modulation
06/12/2012US8200481 Method and device for performing frame erasure concealment to higher-band signal
06/12/2012US8200479 Method and system for asymmetric independent audio rendering
06/07/2012WO2012075476A2 Warped spectral and fine estimate audio encoding
06/07/2012WO2012074941A1 Performing enhanced sigma-delta modulation
06/07/2012WO2012072804A1 Apparatus and method for geometry-based spatial audio coding
06/07/2012WO2012072798A1 Sound acquisition via the extraction of geometrical information from direction of arrival estimates
06/07/2012US20120143613 Apparatus for providing one or more adjusted parameters for a provision of an upmix signal representation on the basis of a downmix signal representation, audio signal decoder, audio signal transcoder, audio signal encoder, audio bitstream, method and computer program using an object-related parametric information
06/07/2012US20120143612 Method and apparatus for audio communication of information
06/07/2012US20120143603 Speech processing apparatus and method
06/07/2012US20120143602 Speech decoder and method for decoding segmented speech frames
06/07/2012US20120143601 Method and System for Determining a Perceived Quality of an Audio System
06/07/2012US20120143600 Speech Synthesis information Editing Apparatus
06/07/2012US20120143599 Warped spectral and fine estimate audio encoding
06/07/2012CA2819502A1 Apparatus and method for geometry-based spatial audio coding
06/07/2012CA2819394A1 Sound acquisition via the extraction of geometrical information from direction of arrival estimates
06/06/2012EP2461322A1 Transcoding method device apparatus and system
06/06/2012EP2461321A1 Coding device and decoding device
06/06/2012EP2460158A2 A method and an apparatus for processing an audio signal
06/06/2012EP2212883B1 An encoder
06/06/2012CN1684522B Methods and decoder circuits for processing mpeg audio frames
06/06/2012CN102486923A Encoding apparatus, encoding method, decoding apparatus, decoding method, and program
06/06/2012CN102074236B Speaker clustering method for distributed microphone
06/06/2012CN102013253B Speech recognition method based on speed difference of voice unit and system thereof
06/06/2012CN101930744B Handshake protocol method for AAC audio coding
06/06/2012CN101925952B 音响再现装置 Sound reproduction apparatus
06/06/2012CN101894559B Audio processing method and device thereof
06/06/2012CN101635146B Method for embedding robust watermark in AVS audio stream
06/06/2012CN101635145B Method, device and system for coding and decoding
06/06/2012CN101609684B Post-processing filter for decoding voice signal
06/06/2012CN101593521B Internal circulation method in MP3 encoder quantization and MP3 encoder
06/06/2012CN101371447B Complex-transform channel coding with extended-band frequency coding
06/06/2012CN101031961B Processing of encoded signals
06/05/2012US8196139 Interpreting I/O operation requests from pageable guests without host intervention
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