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)
10/2006
10/18/2006	CN1848691A Apparatus and method for processing acoustical-signal
10/18/2006	CN1848242A Multi-channel audio frequency coder
10/18/2006	CN1848241A Multi-channel audio frequency coder
10/18/2006	CN1281007C Sound signal encoding device and method
10/18/2006	CN1281006C Information coding/decoding method and apparatus, information transmission method
10/18/2006	CN1280784C Voice coding stimulation method based on multi-peak extraction
10/18/2006	CN1280740C Information distributing system, information distributing device, voice regerator, voice information service providing method
10/17/2006	US7124086 Data reproducing apparatus and data reproducing system for reproducing contents stored on a removable recording medium
10/17/2006	US7124079 Speech coding with comfort noise variability feature for increased fidelity
10/17/2006	US7124078 System and method of coding sound signals using sound enhancement
10/17/2006	US7124077 Frequency domain postfiltering for quality enhancement of coded speech
10/17/2006	US7124076 Encoding apparatus and decoding apparatus
10/17/2006	US7123936 Cellular phone with expansion memory for audio and video storage
10/17/2006	US7123774 System and method for coding data
10/17/2006	US7123607 Quality control device for voice packet communications
10/17/2006	CA2338266C Coded voice signal format converting apparatus
10/12/2006	WO2006107840A1 Systems, methods, and apparatus for wideband speech coding
10/12/2006	WO2006107837A1 Methods and apparatus for encoding and decoding an highband portion of a speech signal
10/12/2006	WO2006107836A1 Method and apparatus for split-band encoding of speech signals
10/12/2006	WO2006107834A1 Systems, methods, and apparatus for highband burst suppression
10/12/2006	WO2006107833A1 Method and apparatus for vector quantizing of a spectral envelope representation
10/12/2006	WO2006106596A1 Contents reproducing device, and contents reproducing method
10/12/2006	WO2006106466A1 Method and signal processor for modification of audio signals
10/12/2006	WO2006105647A1 System and method for coding and decoding information signals
10/12/2006	WO2006075975A8 Encoder, decoder, method for encoding/deconding, computer readable media and computer program elements
10/12/2006	US20060227673 Player device
10/12/2006	DE102005014477A1 Vorrichtung und Verfahren zum Erzeugen eines Datenstroms und zum Erzeugen einer Multikanal-Darstellung Apparatus and method for generating a data stream and for generating a multi-channel representation
10/11/2006	EP1710787A1 Communication network for transmitting speech signals
10/11/2006	EP1709826A1 Method and arrangement for implementing minimum activity during discontinuous transmission
10/11/2006	EP1709816A2 Optimised requantisation for digital data distribution
10/11/2006	EP1709743A1 Dimensional vector and variable resolution quantisation
10/11/2006	EP1709641A1 Playback device for information data sets
10/11/2006	EP1709627A1 Improved coding techniques using estimated spectral magnitude and phase derived from mdct coefficients
10/11/2006	CN2826831Y Parallel superposed frequency domain digital array filter
10/11/2006	CN1846253A Low bit-rate audio encoding
10/11/2006	CN1846252A Data reproduction device and method, and program
10/11/2006	CN1845463A Method for improving audio decoder decode precision
10/11/2006	CN1845239A Excitation vector generator, speech coder and speech decoder
10/11/2006	CN1845238A Audio data processing device and method
10/11/2006	CN1279790C Efficient and scalable parametric stereo coding for low bitrate applications
10/11/2006	CN1279537C Method of storing or decoding stream of bits
10/11/2006	CN1279532C Apparatus and method for recording/reproducing audio data embedded with additive information
10/11/2006	CN1279512C Methods for improving high frequency reconstruction
10/11/2006	CN1279510C Method and apparatus for subsampling phase spectrum information
10/11/2006	CN1279432C Storage and reproduction apparatus
10/10/2006	US7120734 Signal processing circuit for optical disk player having a shared memory for both an anti-shock mechanism and a CD-ROM decoder
10/10/2006	US7120587 Sinusoidal model based coding of audio signals
10/10/2006	US7120579 Filter banked gain control of audio in a noisy environment
10/10/2006	US7120578 Silence description coding for multi-rate speech codecs
10/05/2006	WO2006104576A2 Adaptive voice mode extension for a voice activity detector
10/05/2006	WO2006104555A2 Adaptive noise state update for a voice activity detector
10/05/2006	WO2006104017A1 Sound encoding device and sound encoding method
10/05/2006	WO2006103586A1 Audio encoding and decoding
10/05/2006	WO2006103584A1 Multi-channel audio coding
10/05/2006	WO2006103581A1 Scalable multi-channel audio coding
10/05/2006	WO2006103488A1 Source coding and/or decoding
10/05/2006	WO2006102991A1 Device and method for producing a data flow and for producing a multi-channel representation
10/05/2006	US20060224389 Code conversion method and device, program, and recording medium
10/05/2006	US20060224388 Apparatus and method for concealing erased periodic signal data
10/05/2006	US20060224387 Non-intrusive speech-quality assessment
10/05/2006	US20060224381 Detecting speech frames belonging to a low energy sequence
10/05/2006	US20060222179 Apparatus and methods for including codes in audio signals
10/05/2006	US20060221924 Mobile communications terminal for transmitting data frames in wireless lan and method thereof
10/04/2006	EP1708174A2 Apparatus and method of code conversion and recording medium that records program for computer to execute the method
10/04/2006	EP1708173A1 Method and apparatus for coding audio signal
10/04/2006	EP1706866A1 Audio coding based on block grouping
10/04/2006	EP1706865A1 Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
10/04/2006	EP1340223B1 Method and apparatus for robust speech classification
10/04/2006	EP1002312B1 Transmitter with an improved harmonic speech encoder
10/04/2006	EP0916192B1 Methods and apparatus for generating noise signals from speech signals
10/04/2006	CN2824440Y HF coding IC
10/04/2006	CN1842043A Mobile communications terminal for transmitting data frames in wireless lan and method thereof
10/04/2006	CN1841938A Method and apparatus for coding audio signal
10/04/2006	CN1841499A Apparatus and method of code conversion
10/04/2006	CN1841399A Data processing circuit, data processing method, reproduction device, reproduction method and storage medium
10/04/2006	CN1841187A Image sensing device and control method thereof
10/04/2006	CN1278535C Environment noise level evaluation apparatus and method, communication device and data terminal apparatus
10/03/2006	US7117155 Coarticulation method for audio-visual text-to-speech synthesis
10/03/2006	US7117154 Converting apparatus of voice signal by modulation of frequencies and amplitudes of sinusoidal wave components
10/03/2006	US7117146 System for improved use of pitch enhancement with subcodebooks
10/03/2006	US7117145 Adaptive filter for speech enhancement in a noisy environment
10/03/2006	US7117053 Multi-precision technique for digital audio encoder
10/03/2006	CA2304749C Signal processing
09/2006
09/29/2006	CA2539675A1 Code conversion method and apparatus
09/28/2006	US20060217988 Method and apparatus for adaptive level control
09/28/2006	US20060217980 Code conversion method and device
09/28/2006	US20060217974 Method and apparatus for adaptive gain control
09/28/2006	US20060217973 Adaptive voice mode extension for a voice activity detector
09/28/2006	US20060217972 Method and apparatus for modifying an encoded signal
09/28/2006	US20060217971 Method and apparatus for modifying an encoded signal
09/28/2006	US20060217970 Method and apparatus for noise reduction
09/28/2006	US20060217969 Method and apparatus for echo suppression
09/28/2006	US20060217968 Noise-robust feature extraction using multi-layer principal component analysis
09/28/2006	US20060217967 System and methods for storing and presenting personal information
09/28/2006	US20060215664 Multiplexing apparatus, multiplexing method, program, and recording medium
09/28/2006	US20060214824 Method, apparatus, system, and program for code conversion transmission and code conversion reception of audio data
09/27/2006	EP1525557B1 Watermark detection
09/27/2006	EP1493145B1 Watermark time scale searching
09/27/2006	EP1259957B1 Closed-loop multimode mixed-domain speech coder
09/27/2006	EP1222658B1 Frequency spectrum partitioning of a prototype waveform

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