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

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)
11/2011
11/02/2011	EP2382622A1 Method and apparatus for generating an enhancement layer within a multiple-channel audio coding system
11/02/2011	EP2382621A1 Method and apprataus for generating an enhancement layer within a multiple-channel audio coding system
11/02/2011	EP2257945B1 Audio signal decoder, time warp contour data provider, method and computer program
11/02/2011	EP2257944B1 Time warp contour calculator, audio signal encoder, encoded audio signal representation, methods and computer program
11/02/2011	EP2201565B1 System and method for providing amr-wb dtx synchronization
11/02/2011	EP1709627B1 Improved coding techniques using estimated spectral magnitude and phase derived from mdct coefficients
11/02/2011	EP1697931B1 Device and method for determining an estimated value
11/02/2011	CN1969318B Audio encoding device, decoding device, and method
11/02/2011	CN102231279A Objective evaluation system and method of voice frequency quality based on hearing attention
11/02/2011	CN102231274A Fundamental tone period estimated value correction method, fundamental tone estimation method and related apparatus
11/02/2011	CN101853664B Signal denoising method and device and audio decoding system
11/02/2011	CN101763856B Signal classifying method, classifying device and coding system
11/02/2011	CN101727896B Method for objectively estimating voice quality on the basis of perceptual parameters
11/02/2011	CN101499280B Spacing parameter choosing method and apparatus based on spacing perception entropy judgement
11/02/2011	CN101499279B Bit distribution method and apparatus with progressively fine spacing parameter
11/02/2011	CN101188112B Decoding apparatus and decoding method
11/02/2011	CN101178898B Frequency band extending apparatus, player apparatus, and playing method
11/02/2011	CN101057246B Data reproducing method and data processing device
11/02/2011	CN101055720B Method and apparatus for encoding and decoding an audio signal
11/01/2011	US8051294 Methods for audio watermarking and decoding
11/01/2011	US8050933 Audio coding system using temporal shape of a decoded signal to adapt synthesized spectral components
11/01/2011	US8050918 Quality evaluation tool for dynamic voice portals
11/01/2011	US8050915 Apparatus and method of encoding and decoding audio signals using hierarchical block switching and linear prediction coding
11/01/2011	US8050913 Method and apparatus for implementing fixed codebooks of speech codecs as common module
11/01/2011	US8050912 Mitigating errors in a distributed speech recognition process
10/2011
10/27/2011	WO2011132368A1 Encoding device, decoding device, encoding method and decoding method
10/27/2011	WO2011131732A1 Apparatus and method for modifying an input audio signal
10/27/2011	WO2011059255A3 An apparatus for processing an audio signal and method thereof
10/27/2011	WO2011059254A3 An apparatus for processing a signal and method thereof
10/27/2011	US20110264457 Encoder, decoder, encoding method, and decoding method
10/27/2011	US20110264456 Binaural rendering of a multi-channel audio signal
10/27/2011	US20110264455 Methods, apparatus and articles of manufacture to perform audio watermark decoding
10/27/2011	US20110264454 Adaptive Transition Frequency Between Noise Fill and Bandwidth Extension
10/27/2011	US20110264448 Method for high quality audio transcoding
10/27/2011	US20110261966 Method and Apparatus for Applying Reverb to a Multi-Channel Audio Signal Using Spatial Cue Parameters
10/27/2011	US20110260893 Adaptive differential pulse code modulation encoding apparatus and decoding apparatus
10/27/2011	CA2796948A1 Apparatus and method for modifying an input audio signal
10/26/2011	EP2381580A1 Adaptive, scalable packet loss recovery
10/26/2011	EP2381574A1 Apparatus and method for modifying an input audio signal
10/26/2011	EP2381440A2 Subband coding apparatus and method of coding subband
10/26/2011	EP2381439A1 Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same
10/26/2011	EP2381438A1 Signal classification processing method, classification processing device and encoding system
10/26/2011	EP2380169A1 Method and means for the scalable improvement of the quality of a signal encoding method
10/26/2011	EP2380168A1 An apparatus, a method and a computer program for coding
10/26/2011	EP2380167A1 Apparatus, method and computer program for upmixing a downmix audio signal
10/26/2011	EP2380095A1 Methods, devices, and computer program products for providing real-time language translation capabilities between communication terminals
10/26/2011	EP2153438B1 Post-processing for reducing quantification noise of an encoder during decoding
10/26/2011	EP2054877B1 Updating of decoder states after packet loss concealment
10/26/2011	EP2054876B1 Packet loss concealment for sub-band predictive coding based on extrapolation of full-band audio waveform
10/26/2011	EP2005420B1 Device and method for encoding by principal component analysis a multichannel audio signal
10/26/2011	EP1989706B1 Device for perceptual weighting in audio encoding/decoding
10/26/2011	EP1844465B1 Parametric joint-coding of audio sources
10/26/2011	CN102227769A Decoding apparatus, decoding method, encoding apparatus, encoding method, and editing apparatus
10/26/2011	CN102226945A Multi-rate speech audio encoding method
10/26/2011	CN102226944A Audio mixing method and equipment thereof
10/26/2011	CN101872617B Method for sharing and recovering digital audio secrete
10/26/2011	CN101702315B Method for transmitting high fidelity voice data in real time by unmanned controller
10/26/2011	CN101567188B Multi-pitch estimation method for mixed audio signals with combined long frame and short frame
10/26/2011	CN101308657B Code stream synthesizing method based on advanced audio coder
10/26/2011	CN101189661B Device and method for generating a data stream and for generating a multi-channel representation
10/25/2011	US8046235 Apparatus and method of encoding audio data and apparatus and method of decoding encoded audio data
10/25/2011	US8046234 Method and apparatus for encoding/decoding audio data with scalability
10/25/2011	US8046223 Apparatus and method of voice recognition system for AV system
10/25/2011	US8046218 Speech and method for identifying perceptual features
10/25/2011	US8046217 Geometric calculation of absolute phases for parametric stereo decoding
10/25/2011	US8046216 Method and device for updating status of synthesis filters
10/25/2011	US8046214 Low complexity decoder for complex transform coding of multi-channel sound
10/25/2011	US8045208 Method of translating printed text using handheld display device
10/20/2011	WO2011129655A2 Method, apparatus, and program-containing medium for assessment of audio quality
10/20/2011	WO2011129305A1 Signal processing device and method, encoding device and method, decoding device and method, and program
10/20/2011	WO2011129304A1 Signal processing device and method, encoding device and method, decoding device and method, and program
10/20/2011	WO2011129303A1 Signal processing device and method, encoding device and method, decoding device and method, and program
10/20/2011	WO2011128723A1 Audio communication device, method for outputting an audio signal, and communication system
10/20/2011	WO2011128582A2 Method and system for analysing and encoding audio signals
10/20/2011	WO2011128342A1 Method and encoder and decoder for gap - less playback of an audio signal
10/20/2011	WO2011128138A1 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction
10/20/2011	WO2011127832A1 Time/frequency two dimension post-processing
10/20/2011	WO2011127816A1 Mixing processing method, device and system of audio signals
10/20/2011	WO2011127757A1 Hierarchical audio frequency encoding and decoding method and system, hierarchical frequency encoding and decoding method for transient signal
10/20/2011	WO2011127569A1 Flexible and scalable combined innovation codebook for use in celp coder and decoder
10/20/2011	WO2011065741A3 Audio signal processing method and device
10/20/2011	WO2011059257A3 Display apparatus and method for remotely outputting audio
10/20/2011	US20110257982 Audio signal loudness determination and modification in the frequency domain
10/20/2011	US20110257980 Bandwidth Extension System and Approach
10/20/2011	US20110257979 Time/Frequency Two Dimension Post-processing
10/20/2011	US20110257978 Time Series Filtering, Data Reduction and Voice Recognition in Communication Device
10/20/2011	US20110257965 Interoperable vocoder
10/20/2011	CA2796292A1 Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction
10/20/2011	CA2796147A1 Method and encoder and decoder for gap - less playback of an audio signal
10/20/2011	CA2794894A1 Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program
10/20/2011	CA2794890A1 Signal processing apparatus and signal processing method, encoder and encoding method, decoder and decoding method, and program
10/20/2011	CA2789107A1 Flexible and scalable combined innovation codebook for use in celp coder and decoder
10/19/2011	EP2378774A2 A method and system for manipulation of audio or video signals
10/19/2011	EP2378518A2 Mixing of input data streams and generation of an output data stream therefrom
10/19/2011	EP2378517A1 Speech coding apparatus and speech decoding apparatus
10/19/2011	EP2378516A1 Analysis filterbank, synthesis filterbank, encoder, decoder, mixer and conferencing system
10/19/2011	EP2378515A1 Audio signal decoding device and method of balance adjustment
10/19/2011	EP2377123A1 Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters
10/19/2011	EP1959433B1 Subband coding apparatus and method of coding subband
10/19/2011	EP1921606B1 Energy shaping device and energy shaping method

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