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)
12/2006
12/07/2006	US20060277041 Sparse convolution of multiple vectors in a digital signal processor
12/07/2006	US20060277040 Apparatus and method for coding and decoding residual signal
12/07/2006	US20060277039 Systems, methods, and apparatus for gain factor smoothing
12/07/2006	US20060277038 Systems, methods, and apparatus for highband excitation generation
12/07/2006	US20060277036 Method and device for adaptive bandwidth pitch search in coding wideband signals
12/07/2006	US20060277034 Method and system for processing HRTF data for 3-D sound positioning
12/06/2006	EP1729285A1 Method and apparatus for watermarking an audio or video signal with watermark data using a spread spectrum
12/06/2006	EP1728243A1 Audio coding
12/06/2006	EP1728242A1 Method of inserting digital watermarks in one-bit audio files
12/06/2006	EP1497935A4 Feature-based audio content identification
12/06/2006	EP1342231B1 Encoding audio signals
12/06/2006	EP1105872B1 Speech encoder and method of searching a codebook
12/06/2006	CN2845368Y Mobile terminal with public and unpublic communications
12/06/2006	CN1875403A Signal processing method and apparatus
12/06/2006	CN1875402A Audio signal encoding or decoding
12/06/2006	CN1875401A Harmonic noise weighting in digital speech coders
12/06/2006	CN1874243A Data transmitting device and method
12/06/2006	CN1874238A Farend access communication system, and control method
12/06/2006	CN1874163A Method for compression and expansion of digital audio data
12/06/2006	CN1873808A MP3 decoding filter system based on reconfigurable arithmetic unit
12/06/2006	CN1873779A Speech coding/decoding apparatus and method
12/06/2006	CN1873778A Method for decodeing speech signal
12/06/2006	CN1873777A Mobile communication terminal with speech decode function and action method of the same
12/06/2006	CN1288849C 音频译码装置 Audio decoding means
12/06/2006	CN1288626C Method of transferring band audio signals in transferring passage with reduced narrow-band
12/06/2006	CN1288625C Audio coding and decoding equipment and method thereof
12/06/2006	CN1288624C Perceptual noise substitution method and device
12/06/2006	CN1288623C Audio coding method and apparatus
12/06/2006	CN1288622C Encoding and decoding device
12/06/2006	CN1288621C Error concealment in relation to decoding of encoded acoustic signals
12/06/2006	CN1288620C Signal processing apparatus
12/05/2006	US7146501 Method and apparatus for encrypting and decrypting data using encrypting key contained in electronic watermark
12/05/2006	US7146324 Audio coding based on frequency variations of sinusoidal components
12/05/2006	US7146322 Interleaving of information into compressed digital audio streams
12/05/2006	US7146316 Noise reduction in subbanded speech signals
12/05/2006	US7146312 Transmission of voice in packet switched networks
12/05/2006	US7146311 CELP encoding/decoding method and apparatus
12/05/2006	US7146310 Low bit-rate coding of unvoiced segments of speech
12/05/2006	US7146309 Deriving seed values to generate excitation values in a speech coder
12/05/2006	US7145484 Digital signal processing method, processor thereof, program thereof, and recording medium containing the program
11/2006
11/30/2006	WO2006127983A2 Digital television signal reception
11/30/2006	WO2006126859A2 Method of encoding and decoding an audio signal
11/30/2006	WO2006126858A2 Method of encoding and decoding an audio signal
11/30/2006	WO2006126857A2 Method of encoding and decoding an audio signal
11/30/2006	WO2006126856A2 Method of encoding and decoding an audio signal
11/30/2006	WO2006126855A2 Method and apparatus for decoding audio signal
11/30/2006	WO2006126844A2 Method and apparatus for decoding an audio signal
11/30/2006	WO2006126843A2 Method and apparatus for decoding audio signal
11/30/2006	WO2006126679A1 Data recording device and data file transmission method in the data recording device
11/30/2006	WO2006126115A2 Predictive encoding of a multi channel signal
11/30/2006	WO2006125342A1 An information compress method for digital audio file
11/30/2006	WO2006109251A3 Voice conversion
11/30/2006	US20060271794 Data providing system and apparatus and methods of same
11/30/2006	US20060271487 Information processing apparatus, information processing method, program recording medium, and data recording medium
11/30/2006	US20060271357 Sub-band voice codec with multi-stage codebooks and redundant coding
11/30/2006	US20060271356 Systems, methods, and apparatus for quantization of spectral envelope representation
11/30/2006	US20060271355 Sub-band voice codec with multi-stage codebooks and redundant coding
11/30/2006	US20060271354 Audio codec post-filter
11/30/2006	US20060269012 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data
11/29/2006	EP1727130A2 Speech signal decoding method and apparatus
11/29/2006	EP1727129A2 Gradient descent optimization of linear prediction coefficients for speech coders
11/29/2006	EP1726117A2 Watermark payload encryption methods and systems
11/29/2006	EP1726006A2 Method of comfort noise generation for speech communication
11/29/2006	EP0858069B1 Voice encoder, voice decoder and recording medium thereof
11/29/2006	CN1871639A Topological voiceprints for speaker identification
11/29/2006	CN1871501A Spectrum coding apparatus, spectrum decoding apparatus, acoustic signal transmission apparatus, acoustic signal reception apparatus and methods thereof
11/29/2006	CN1870684A Communication system for implementing real-time monitoring warning and its method
11/29/2006	CN1870598A Loading balance method based on data flow in large scale paralle processing of mass data
11/29/2006	CN1870135A Digital deaf-aid frequency response compensation method based on mask curve
11/29/2006	CN1870134A Voice time length prolonging method of digital deaf-aid for presbycusis
11/29/2006	CN1870133A Voice frequency compression method of digital deaf-aid
11/29/2006	CN1870132A Didigal audio waterprint method based on low density parity check code
11/29/2006	CN1870131A Character string retrieving circuit and character string retrieving method
11/29/2006	CN1287601C Protection of streaming A/V data
11/29/2006	CN1287530C Sub-band adaptive differential pulse code modulation/encoding apparatus and method, wireless transmission system,sub-band adaptive differential pulse code modulation/encoding apparatus and method, wir
11/29/2006	CN1287354C Code conversion method and apparatus
11/29/2006	CN1287352C 语音控制电器系统 Voice control electrical system
11/28/2006	US7143032 Method and system for an overlap-add technique for predictive decoding based on extrapolation of speech and ringinig waveform
11/28/2006	US7143030 Parametric compression/decompression modes for quantization matrices for digital audio
11/28/2006	US7142778 Optical encoding of audio data
11/28/2006	US7142579 Apparatus for providing high quality audio output by median filter in audio systems
11/28/2006	US7142559 Packet converting apparatus and method therefor
11/23/2006	WO2006122487A1 A method for changing qos in i-wlan and the system thereof
11/23/2006	WO2005098822A3 Scalable lossless audio codec and authoring tool
11/23/2006	US20060265214 System and method for linear prediction
11/23/2006	US20060265213 RF autocorrelation signal trigger generator
11/23/2006	US20060265212 Method for cell scheduling in a communication network
11/23/2006	US20060265210 Constructing broad-band acoustic signals from lower-band acoustic signals
11/23/2006	US20060265093 Process for adjusting the sound volume of a digital sound recording
11/23/2006	US20060265092 Digital audio player and playing method thereof
11/23/2006	US20060265087 Method and device for spectral reconstruction of an audio signal
11/23/2006	US20060262887 Method and system for comparing audio signals and identifying an audio source
11/23/2006	DE102005021218A1 Equipment parameterizing signal processing systems for quality optimization, differentiates adaptive parameterization control in terms of prior results
11/22/2006	EP1724774A2 Digital audio player and playing method thereof
11/22/2006	EP1724759A1 Method and system for efficient transmission of communication traffic
11/22/2006	EP1724758A2 Delay reduction for a combination of a speech preprocessor and speech encoder
11/22/2006	EP1724757A2 Method of and apparatus for encoding/decoding digital signal using linear quantization by sections
11/22/2006	EP1724756A2 Packet loss concealment for block-independent speech codecs
11/22/2006	EP1724755A2 Method and system for comparing audio signals and identifying an audio source
11/22/2006	EP1723639A1 Synthesizing a mono audio signal based on an encoded multichannel audio signal

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