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)
10/2011
10/19/2011	CN102223406A System and method for network-based digitalized real-time transmission of video information
10/19/2011	CN102223152A Pilot based adaptation for FM radio receiver
10/19/2011	CN102222505A Hierarchical audio coding and decoding methods and systems and transient signal hierarchical coding and decoding methods
10/19/2011	CN102222504A Digital audio multilayer watermark implanting and extracting method
10/19/2011	CN102222503A Mixed sound processing method, device and system of audio signal
10/19/2011	CN101366080B Method and system for updating state of demoder
10/19/2011	CN101336449B Method and apparatus for audio signal encoding
10/19/2011	CN101213592B Device and method of parametric multi-channel decoding
10/19/2011	CN101165778B Dual-transform coding of audio signals method and device
10/19/2011	CN101151660B Multi-channel audio coder, demoder and method thereof
10/18/2011	US8041843 Recording/reproducing apparatus
10/18/2011	US8041578 Encoding an information signal
10/18/2011	US8041577 Method for expanding audio signal bandwidth
10/18/2011	US8041563 Apparatus for coding a wideband audio signal and a method for coding a wideband audio signal
10/18/2011	US8041561 Multi-channel codebook dependent compensation
10/18/2011	US8041058 Audio processing with time advanced inserted payload signal
10/18/2011	US8041042 Method, system, apparatus and computer program product for stereo coding
10/18/2011	US8040554 Method of revealing hidden content on a printed substrate using handheld display device
10/18/2011	CA2491570C Controlling loudness of speech in signals that contain speech and other types of audio material
10/13/2011	WO2011126340A2 Method and apparatus for processing an audio signal
10/13/2011	WO2011125430A1 Decoding apparatus, decoding method, encoding apparatus, encoding method, and program
10/13/2011	WO2011124621A1 Mdct-based complex prediction stereo coding
10/13/2011	WO2011124616A1 Mdct-based complex prediction stereo coding
10/13/2011	WO2011124608A1 Mdct-based complex prediction stereo coding
10/13/2011	WO2011124473A1 Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
10/13/2011	WO2011124161A1 Audio signal coding and decoding method, device, and codec system
10/13/2011	US20110251846 Transient Signal Encoding Method and Device, Decoding Method and Device, and Processing System
10/13/2011	US20110249822 Advanced encoding of multi-channel digital audio signals
10/13/2011	US20110249821 encoding of multichannel digital audio signals
10/13/2011	CA2804907A1 Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
10/13/2011	CA2793320A1 Mdct-based complex prediction stereo coding
10/13/2011	CA2793317A1 Mdct-based complex prediction stereo coding
10/13/2011	CA2793140A1 Mdct-based complex prediction stereo coding
10/12/2011	EP2375648A1 Method, system and node device for realizing audio mixing of multi-path voice
10/12/2011	EP2375411A1 Methods and apparatus for audio watermarking a substantially silent media content presentation
10/12/2011	EP2375410A1 A spatial audio processor and a method for providing spatial parameters based on an acoustic input signal
10/12/2011	EP2375409A1 Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
10/12/2011	EP2374125A1 Multi-staging recursive audio frame-based resampling and time mapping
10/12/2011	EP2374124A1 Advanced encoding of multi-channel digital audio signals
10/12/2011	EP2374123A1 Improved encoding of multichannel digital audio signals
10/12/2011	EP2250641B1 Apparatus for mixing a plurality of input data streams
10/12/2011	CN1954363B Encoding device and method thereof
10/12/2011	CN102217367A An adjusting method of coding and decoding rate, a device and a media gateway thereof
10/12/2011	CN102216983A Apparatus and method for encoding at least one parameter associated with a signal source
10/12/2011	CN102216982A Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder
10/12/2011	CN102215287A Method and device for switching audio channels of communication module
10/12/2011	CN102214464A Transient state detecting method of audio signals and duration adjusting method based on same
10/12/2011	CN101313355B Method and apparatus for encoding/decoding multi-channel audio signal
10/12/2011	CN101046961B Speech compression, decompression method and circuit based on wave shape
10/12/2011	CN101030379B Method and apparatus for allocating digital voice-frequency signal bit
10/11/2011	US8037114 Method for creating a representation of a calculation result linearly dependent upon a square of a value
10/11/2011	US8036904 Audio encoder and method for scalable multi-channel audio coding, and an audio decoder and method for decoding said scalable multi-channel audio coding
10/11/2011	US8036903 Analysis filterbank, synthesis filterbank, encoder, de-coder, mixer and conferencing system
10/11/2011	US8036887 CELP speech decoder modifying an input vector with a fixed waveform to transform a waveform of the input vector
10/11/2011	US8036886 Estimation of pulsed speech model parameters
10/11/2011	US8036885 Method and device for adaptive bandwidth pitch search in coding wideband signals
10/11/2011	US8036882 Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting
10/11/2011	US8036881 Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting
10/11/2011	US8036880 Enhancing perceptual performance of SBR and related HFR coding methods by adaptive noise-floor addition and noise substitution limiting
10/11/2011	US8035850 Method and system for retrieving display data
10/11/2011	US8035849 Handheld display device for filling in forms
10/11/2011	US8035848 Method of filling in form using handheld display device
10/11/2011	US8035847 Handheld display device for revealing hidden content on a printed substrate
10/11/2011	CA2603219C Method and apparatus for vector quantizing of a spectral envelope representation
10/11/2011	CA2482994C Method and system for multi-rate lattice vector quantization of a signal
10/06/2011	WO2011123234A1 Transcoder bypass in mobile handset for voip call with bluetooth headsets
10/06/2011	WO2011122875A2 Encoding method and device, and decoding method and device
10/06/2011	WO2011122731A1 Method and apparatus for down-mixing multi-channel audio
10/06/2011	WO2011121955A1 Audio device
10/06/2011	WO2011120800A1 A spatial audio processor and a method for providing spatial parameters based on an acoustic input signal
10/06/2011	WO2011120367A1 Method and device for analyzing voice quality
10/06/2011	WO2011073201A3 Sbr bitstream parameter downmix
10/06/2011	US20110246207 Apparatus for playing and producing realistic object audio
10/06/2011	US20110246206 Audio decoding system and an audio decoding method thereof
10/06/2011	US20110246205 Method for detecting audio signal transient and time-scale modification based on same
10/06/2011	US20110246191 Method, system and peer apparatus for implementing multi-channel voice mixing
10/06/2011	US20110246187 Speech signal processing
10/06/2011	US20110246186 Information processing device, information processing method, and program
10/06/2011	US20110243375 Inserting watermarks into portions of digital signals
10/06/2011	CA2794946A1 A spatial audio processor and a method for providing spatial parameters based on an acoustic input signal
10/05/2011	EP2373014A2 Unified speech/audio codec (usac) processing windows sequence based mode switching
10/05/2011	EP2372706A1 Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined
10/05/2011	EP2372705A1 Method and apparatus for encoding and decoding excitation patterns from which the masking levels for an audio signal encoding and decoding are determined
10/05/2011	EP2372704A1 Signal processor and method for processing a signal
10/05/2011	EP2372703A1 Signal processor, window provider, encoded media signal, method for processing a signal and method for providing a window
10/05/2011	EP2372702A1 Embedder for embedding a watermark in an information presentation, detector for detecting a watermark in an information presentation, method, computer program and information signal
10/05/2011	EP2372701A1 Enhanced coding and parameter representation of multichannel downmixed object coding
10/05/2011	EP2372700A1 A speech intelligibility predictor and applications thereof
10/05/2011	EP2372699A1 Distribution-constrained quantization
10/05/2011	EP2054884B1 Device for encoding and decoding
10/05/2011	EP1914721B1 Data embedding device, data embedding method, data extraction device, and data extraction method
10/05/2011	EP1423854B1 Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files
10/05/2011	EP1343143B1 Analysis-synthesis of audio signal
10/05/2011	CN102209988A Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
10/05/2011	CN102208990A 语音质量分析方法及装置 Method and apparatus for voice quality analysis
10/05/2011	CN102208188A Audio signal encoding-decoding method and device
10/05/2011	CN102208187A Methods and apparatus for audio watermarking a substantially silent media content presentation
10/05/2011	CN101521010B Coding and decoding method for voice frequency signals and coding and decoding device
10/04/2011	US8032645 Coding method and coding apparatus
10/04/2011	US8032388 Dynamic selection of supported audio sampling rates for playback

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