Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › 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)
11/2012
11/21/2012CN101183527B Method and apparatus for encoding and decoding high frequency signal
11/21/2012CN101136901B Virable-resolution processing of frame-based data
11/20/2012US8315881 Content filtering for a digital audio signal
11/20/2012US8315880 Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules
11/20/2012US8315877 Encoding and detecting apparatus
11/20/2012US8315862 Audio signal quality enhancement apparatus and method
11/20/2012US8315861 Wideband speech decoding apparatus for producing excitation signal, synthesis filter, lower-band speech signal, and higher-band speech signal, and for decoding coded narrowband speech
11/20/2012US8315860 Interoperable vocoder
11/20/2012US8315858 Method for digitally recording an analog audio signal with automatic indexing
11/20/2012US8315857 Systems and methods for audio signal analysis and modification
11/20/2012US8315856 Identify features of speech based on events in a signal representing spoken sounds
11/20/2012US8315854 Method and apparatus for detecting pitch by using spectral auto-correlation
11/20/2012US8315853 MDCT domain post-filtering apparatus and method for quality enhancement of speech
11/20/2012US8315723 Recording and/or reproducing apparatus and recording apparatus
11/20/2012US8315554 Connected audio content
11/20/2012US8315322 Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
11/20/2012US8314967 Handheld display device for interacting with printed hyperlinks
11/15/2012WO2012153165A1 A pitch estimator
11/15/2012WO2012152764A1 Method and encoder for processing a digital stereo audio signal
11/15/2012US20120290306 Hybrid coded audio data streaming apparatus and method
11/15/2012US20120290305 Scalable Audio in a Multi-Point Environment
11/15/2012US20120290295 Transform-Domain Codebook In A Celp Coder And Decoder
11/15/2012US20120288098 Method for optimizing the stereo reception for an analog radio set and associated analog radio receiver
11/15/2012US20120286471 Device and method for handling, shuffling, and moving cards
11/14/2012EP2523189A1 Encoding method, decoding method, encoder apparatus, decoder apparatus, program and recording medium
11/14/2012EP2522014A1 Watermark generator, watermark decoder, method for providing a watermark signal in dependence on binary message data, method for providing binary message data in dependence on a watermarked signal and computer program using a differential encoding
11/14/2012EP2522013A1 Watermark generator, watermark decoder, method for providing a watermark signal in dependence on binary message data, method for providing binary message data in dependence on a watermarked signal and computer program using a two-dimensional bit spreading
11/14/2012CN1443400B Inband signaling over digital wireless tele communications networks
11/14/2012CN102779523A Voice coding device and coding method, voice decoding device and decoding method
11/14/2012CN102779522A Voice decoding device and voice decoding method
11/14/2012CN102779520A Voice decoding device and voice decoding method
11/14/2012CN102779519A Device and method for synchronizing multi-channel expansion data with an audio signal and for processing said audio signal
11/14/2012CN102779518A Coding method and system for dual-core coding mode
11/14/2012CN102779517A Adaptive de-jitter buffer for VoIP
11/14/2012CN102779516A System, medium, and method of encoding/decoding multi-channel audio signals
11/14/2012CN102779515A System, medium, and method of encoding/decoding multi-channel audio signals
11/14/2012CN102779514A System, medium, and method of encoding/decoding multi-channel audio signals
11/14/2012CN102779513A System, medium, and method of encoding/decoding multi-channel audio signals
11/14/2012CN102779512A System, medium, and method of encoding/decoding multi-channel audio signals
11/14/2012CN102169691B Reversible audio watermarking method based on bidirectional prediction and generalized expansion
11/14/2012CN102016530B Method and device for pitch period detection
11/14/2012CN101849258B Technique for encoding/decoding of codebook indices for quantized MDCT spectrum in scalable speech and audio codecs
11/14/2012CN101754086B Decoder and decoding method for multichannel audio coder using sound source location cue
11/14/2012CN101518083B Method, medium, and system encoding and/or decoding audio signals by using bandwidth extension and stereo coding
11/14/2012CN101073109B Methods and arrangements for adaptive thresholds in codec selection
11/13/2012US8311841 Encoding device, decoding device, and system thereof utilizing band expansion information
11/13/2012US8311840 Frequency extension of harmonic signals
11/13/2012US8311821 Parameterized temporal feature analysis
11/13/2012US8311818 Transform coder and transform coding method
11/13/2012US8311817 Systems and methods for enhancing voice quality in mobile device
11/13/2012US8311816 Noise shaping for predictive audio coding apparatus
11/13/2012US8311815 Method, apparatus, and program for encoding digital signal, and method, apparatus, and program for decoding digital signal
11/13/2012US8311812 Fast and accurate extraction of formants for speech recognition using a plurality of complex filters in parallel
11/13/2012US8311810 Reduced delay spatial coding and decoding apparatus and teleconferencing system
11/13/2012US8311809 Converting decoded sub-band signal into a stereo signal
11/13/2012US8311657 Method and apparatus for efficiently accounting for the temporal nature of audio processing
11/08/2012WO2012151059A1 Apparatus and method for low complexity combinatorial coding and decoding of signals
11/08/2012WO2012150595A2 Apparatus, systems and methods for production, delivery and use of embedded content delivery
11/08/2012WO2012150482A1 Encoding of stereophonic signals
11/08/2012WO2012149843A1 Method and device for coding/decoding audio signals
11/08/2012US20120284034 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
11/08/2012US20120284033 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
11/08/2012US20120284032 Apparatus and method for low complexity combinatorial coding and decoding of signals
11/08/2012US20120284021 Concealing audio interruptions
11/08/2012US20120284020 System and method of speech compression using an inter frame parameter correlation
11/08/2012US20120281859 Apparatus and method for generating a high frequency audio signal using adaptive oversampling
11/08/2012US20120281842 Method, medium, and apparatus encoding and/or decoding extension data for surround
11/08/2012US20120281841 Apparatus and method for encoding/decoding a multi-channel audio signal
11/08/2012DE112010005072T5 Wasserzeicheneinbettungsverfahren Watermark embedding process
11/08/2012DE112010002794T5 Verfahren und Vorrichtung für das dynamische Bestimmen von Mischungssätzen in einem Audioprozessor Method and apparatus for dynamically determining mixture sets in an audio processor
11/08/2012CA2833737A1 Apparatus and method for low complexity combinatorial coding and decoding of signals
11/07/2012EP2519945A1 Embedded speech and audio coding using a switchable model core
11/07/2012CN1868151B Receiving apparatus and method
11/07/2012CN102770913A Sparse audio
11/07/2012CN102770912A Forward time-domain aliasing cancellation using linear-predictive filtering
11/07/2012CN102770911A Method for encoding information object and encoder using the same
11/07/2012CN102768836A Apparatus and method for coding and decoding multi-object audio signal with various channel
11/07/2012CN102768834A Method for decoding audio frequency frames
11/07/2012CN102099856B Audio encoding/decoding method and device having a switchable bypass
11/07/2012CN102027533B Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal
11/07/2012CN102016981B A method and an apparatus for processing an audio signal
11/07/2012CN101958895B Network control method for multi-channel speech coding and decoding equipment
11/07/2012CN101842832B Encoder and decoder
11/07/2012CN101828221B Apparatus and method for encoding and decoding enhancement layer
11/07/2012CN101821799B Audio coding using upmix
11/07/2012CN101681625B Method and device for obtaining two surround sound audio channels by two inputted sound singals
11/07/2012CN101578657B Method and apparatus for getting attenuation factor
11/07/2012CN101496096B Voice and text communication system, method and apparatus
11/07/2012CN101395659B Method for limiting adaptive excitation gain in an audio decoder
11/07/2012CN101297596B Removing time delays in signal paths
11/06/2012US8306827 Coding device and coding method with high layer coding based on lower layer coding results
11/06/2012US8306813 Encoding device and encoding method
11/06/2012US8306811 Embedding data in audio and detecting embedded data in audio
11/06/2012US8306249 Method and acoustic signal processing device for estimating linear predictive coding coefficients
11/06/2012US8306134 Variable gain control for high speed receivers
11/06/2012US8306007 Vector quantizer, vector inverse quantizer, and methods therefor
11/06/2012US8305919 Dynamic management of end-to-end network loss during a phone call
11/01/2012WO2012146757A1 Efficient content classification and loudness estimation
11/01/2012WO2012146658A1 Processing stereophonic audio signals
11/01/2012WO2012108975A3 Extraction and matching of characteristic fingerprints from audio signals
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