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)
10/2010
10/21/2010US20100268542 Apparatus and method of audio encoding and decoding based on variable bit rate
10/21/2010US20100268541 Audio processing method, system, and control server
10/21/2010US20100268540 System and method for utilizing audio beaconing in audience measurement
10/21/2010US20100268531 Method and device for DTX decision
10/21/2010US20100266152 Method and acoustic signal processing device for estimating linear predictive coding coefficients
10/21/2010CA2757142A1 Speech synthesis and coding methods
10/20/2010EP2242049A1 Noise suppression device
10/20/2010EP2242048A2 Method and apparatus for identifying frame type
10/20/2010EP2242047A2 Method and apparatus for identifying frame type
10/20/2010EP2242046A1 System, apparatus, method and program for signal analysis control, signal analysis and signal control
10/20/2010EP2242045A1 Speech synthesis and coding methods
10/20/2010EP2240929A1 Device and method for synchronizing multi-channel expansion data with an audio signal and for processing said audio signal
10/20/2010EP2240928A1 Device and method for calculating a fingerprint of an audio signal, device and method for synchronizing and device and method for characterizing a test audio signal
10/20/2010EP1869670B1 Method and apparatus for vector quantizing of a spectral envelope representation
10/20/2010CN1574694B Removal of encoded frames from isochronous remote telecommunication stream to create non-isochronous remote telecommunications stream
10/20/2010CN101868822A Rounding noise shaping for integer transform based encoding and decoding
10/20/2010CN101868821A A method and an apparatus for processing a signal
10/20/2010CN101867757A Video frequency and audio frequency data recoding and reproducing apparatus
10/20/2010CN101866650A Fixed codebook searching method for use in voice coding
10/20/2010CN101866649A Coding processing method and device, decoding processing method and device, communication system
10/20/2010CN101325631B Method and apparatus for estimating tone cycle
10/19/2010US7818171 Speech recognition apparatus and speech recognition program
10/19/2010US7818168 Method of measuring degree of enhancement to voice signal
10/19/2010US7818167 Method, medium, and system for music retrieval using modulation spectrum
10/19/2010US7817621 Mobile wireless internet portable radio
10/14/2010WO2010117867A1 Obtaining a desired non-zero phase shift using forward-backward filtering
10/14/2010WO2010117327A1 Method and arrangement for providing a backwards compatible payload format
10/14/2010WO2010116068A1 Method and device for forming a mixed signal, method and device for separating signals, and corresponding signal
10/14/2010WO2010115850A1 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
10/14/2010WO2010115845A1 Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
10/14/2010WO2010079167A4 Speech coding
10/14/2010US20100262421 Encoding device, decoding device, and method thereof
10/14/2010US20100262420 Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoding audio signal
10/14/2010US20100260375 Method and Apparatus for Associating Identifiers with Content
10/14/2010CA2746524A1 Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing
10/13/2010EP2239931A1 Voice mixing device and method, and multipoint conference server
10/13/2010EP2239847A2 Method for reduction of aliasing introduced by spectral envelope adjustment in real-valued filterbanks
10/13/2010EP2239733A1 Noise suppression device
10/13/2010EP2239732A1 Apparatus and method for generating a synthesis audio signal and for encoding an audio signal
10/13/2010EP2239731A1 Encoding device, decoding device, and method thereof
10/13/2010EP2239730A2 Speech Coding Apparatus
10/13/2010EP2238589A1 A method and an apparatus for processing a signal
10/13/2010CN1985544B Method, device, encoder apparatus, decoder apparatus and system for processing mixed signal of stereo
10/13/2010CN1762099B Floating point type digital signal reversible encoding method, decoding method and devices
10/13/2010CN101860784A Representation method for multi-channel signal
10/13/2010CN101860552A Vehicle voice data real-time transmission method based on GPRS
10/13/2010CN101859578A Method for manufacturing and processing voice products
10/13/2010CN101859566A Signal processing apparatus and method, and program
10/13/2010CN101110248B Data recording apparatus, data recording method
10/13/2010CN101076853B Wide-band encoding device, wide-band lsp prediction device, band scalable encoding device, wide-band encoding method
10/13/2010CN101072393B Tandem-free intersystem voice communication
10/12/2010US7813933 Method and apparatus for multichannel upmixing and downmixing
10/12/2010US7813932 Apparatus and method of encoding and decoding bitrate adjusted audio data
10/12/2010US7813922 Audio quantization
10/12/2010US7813513 Multi-channel encoder
10/12/2010US7813378 Wideband-narrowband telecommunication
10/12/2010CA2392872C Method and system for telephone control
10/07/2010WO2010114949A1 Apparatus and method for generating an output audio data signal
10/07/2010WO2010114123A1 Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
10/07/2010WO2010113220A1 Noise suppression device
10/07/2010WO2010112348A1 Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal
10/07/2010WO2010111876A1 Method and device for signal denoising and system for audio frequency decoding
10/07/2010WO2010111841A1 Predicting method and apparatus for frequency domain pulse decoding and decoder
10/07/2010WO2010086373A3 Audio coding
10/07/2010US20100257069 Connected Audio Content
10/07/2010US20100256975 Speech coder and speech decoder
10/07/2010US20100254566 Watermarking of Data Invariant to Distortion
10/07/2010US20100254548 Audio mixing/reproducing device
10/07/2010CA2844635A1 Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
10/07/2010CA2844441A1 Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
10/07/2010CA2844438A1 Speech encoding device, speech decoding device, speech encoding method, speech decoding method, speech encoding program, and speech decoding program
10/06/2010EP2237269A1 Apparatus and method for processing an encoded audio data signal
10/06/2010EP2237268A2 Speech coding/decoding apparatus
10/06/2010EP2237267A1 Stereo signal converter, stereo signal inverter, and method therefor
10/06/2010EP2237266A1 Apparatus and method for determining a plurality of local center of gravity frequencies of a spectrum of an audio signal
10/06/2010EP2235719A1 Audio encoder and decoder
10/06/2010CN201600893U 一种调整输入信号动态范围的装置 A method for adjusting the input signal dynamic range of devices
10/06/2010CN1926610B Method for synthesizing a mono audio signal, audio decodeer and encoding system
10/06/2010CN1855226B Lossless decoding system and method
10/06/2010CN1819049B Realizing high quality lpcm audio data as two separate elementary streams
10/06/2010CN1758335B Efficient and scalable parametric stereo coding for low bit rate audio coding applications
10/06/2010CN101853664A Signal denoising method and device and audio decoding system
10/06/2010CN101853663A Bit allocation method, encoding device and decoding device
10/06/2010CN101853662A Average bit rate (ABR) code rate control method and system for digital rise audio (DRA)
10/06/2010CN101853661A Noise spectrum estimation and voice mobility detection method based on unsupervised learning
10/06/2010CN101853660A Diffuse sound envelope shaping for binaural cue coding schemes and the like
10/06/2010CN101853659A Bandwidth extension apparatus and a method therefor
10/06/2010CN101853240A Signal period estimation method and device
10/05/2010US7809580 Encoding and decoding of multi-channel audio signals
10/05/2010US7809579 Fidelity-optimized variable frame length encoding
10/05/2010US7809572 Voice quality change portion locating apparatus
10/05/2010US7809559 Method and apparatus for removing from an audio signal periodic noise pulses representable as signals combined by convolution
10/05/2010US7809558 Vector transformation apparatus and vector transformation method
10/05/2010US7809557 Vector quantization apparatus and method for updating decoded vector storage
10/05/2010US7809556 Error conceal device and error conceal method
10/05/2010US7809241 Audio frequency scaling during video trick modes utilizing digital signal processing
10/05/2010US7809146 Audio signal separation device and method thereof
10/05/2010US7808920 Tandem-free vocoder operations between non-compatible communication systems
09/2010
09/30/2010WO2010108895A1 Device and method for manipulating an audio signal
09/30/2010WO2010108445A1 Method for estimating inter-channel delay and apparatus and encoder thereof
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