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)
11/2004
11/10/2004	CN1175414C Method and apparatus of ebedding and detecting watermarks in one-dimensional information signals
11/10/2004	CN1175366C Video player with code sensor
11/09/2004	US6816832 Transmission of comfort noise parameters during discontinuous transmission
11/09/2004	US6815601 Method and system for delivering music
11/04/2004	WO2004095760A2 Audio data processing systems and methods utilizing high oversampling rates
11/04/2004	WO2004095424A1 Code conversion method and device, program, and recording medium
11/04/2004	US20040221209 Method for overriding interference in digital audio signal transmission
11/04/2004	US20040221161 Methods and systems for steganographic processing
11/04/2004	US20040220879 System and method for controlling the use and duplication of digital content distributed on removable media
11/04/2004	US20040220806 Audio signal processing apparatus
11/04/2004	US20040220805 Method and device for processing time-discrete audio sampled values
11/04/2004	US20040220803 Method and apparatus for transferring data over a voice channel
11/04/2004	US20040220801 Pitch waveform signal generating apparatus, pitch waveform signal generation method and program
11/04/2004	US20040220798 Remote voice identification system
11/04/2004	US20040218700 Digital implementation of multi-channel demodulators
11/04/2004	US20040218035 Mixed-media telecommunication call set-up
11/04/2004	CA2522492A1 Code conversion method and device, program, and recording medium
11/03/2004	EP1473860A1 Digital circuit transmission device
11/03/2004	EP1473710A1 Audio encoding apparatus
11/03/2004	EP1472889A1 Audio coding
11/03/2004	EP1472693A1 Method and unit for substracting quantization noise from a pcm signal
11/03/2004	EP1074126B1 Variable bit rate transmission of av signal in packet network
11/03/2004	EP0880868B1 Method and apparatus for compressing and transmitting high speed data
11/03/2004	CN1543639A Method and apparatus for robust speech classification
11/03/2004	CN1543115A A method for preventing network address translation (NAT) device from being attacked by network user
11/03/2004	CN1174647C Mobile telephone having continuous recording capability
11/03/2004	CN1174631C partially buffering transmitted data to provide robust error recovery
11/03/2004	CN1174372C Optical disk
11/03/2004	CN1174371C Information distributing apparatus, information receiving apparatus and information distributing method
11/02/2004	US6813657 Apparatus for processing a bit stream
11/02/2004	US6813602 Methods and systems for searching a low complexity random codebook structure
11/02/2004	US6813601 Highly compressed voice and data transmission system and method for mobile communications
11/02/2004	US6813600 Preclassification of audio material in digital audio compression applications
11/02/2004	CA2356869C Method and devices for coding or decoding an audio signal or bit stream
11/02/2004	CA2271410C Speech coding apparatus and speech decoding apparatus
10/2004
10/28/2004	WO2004093494A1 Audio signal generation
10/28/2004	WO2004093073A1 Digital data storage/reproduction method and device
10/28/2004	WO2004093072A1 Compressed data editing device
10/28/2004	US20040215728 System, method and apparatus for communicating via sound messages and personal sound identifiers
10/28/2004	US20040215450 Receiver for encoding speech signal using a weighted synthesis filter
10/28/2004	US20040215448 Speech quality evaluation system and an apparatus used for the speech quality evaluation
10/28/2004	US20040215447 Apparatus and method for automatic classification/identification of similar compressed audio files
10/28/2004	US20040215358 Techniques for improving audio clarity and intelligibility at reduced bit rates over a digital network
10/28/2004	US20040213552 Data Transmission Apparatus and Data Transmission Method
10/28/2004	US20040213550 Data reproducer
10/28/2004	US20040213296 Data processing method and data processing apparatus
10/27/2004	EP1471532A1 Modulated output of digital audio signals
10/27/2004	EP1471503A2 Data processing method and data processing apparatus
10/27/2004	EP1471465A1 Transmission of a digital information signal having a specific first sampling frequency
10/27/2004	EP1470550A1 Audio encoding and decoding device and methods thereof
10/27/2004	EP1470497A1 Method and system for the information protection of digital content
10/27/2004	EP0843933B1 Transmission of a digital information signal having a specific first sampling frequency
10/27/2004	CN1541391A System, method, and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media
10/27/2004	CN1540656A Modulation output of digital audio signal
10/27/2004	CN1540628A Data processing method and data processor
10/27/2004	CN1540627A Quick algorithm for searching weighted quantized vector of line spectrum in use for encoding voice
10/27/2004	CN1173478C Digital data coding device and method
10/27/2004	CN1173312C Electronic watermark imbedding method and device thereof
10/26/2004	US6810388 Digital contents copying inhibition apparatus, digital contents copying inhibition method, and computer products
10/26/2004	US6810381 Audio coding and decoding methods and apparatuses and recording medium having recorded thereon programs for implementing them
10/26/2004	US6810379 Client/server architecture for text-to-speech synthesis
10/26/2004	US6810377 Lost frame recovery techniques for parametric, LPC-based speech coding systems
10/21/2004	WO2004091210A1 Moving picture processing device, information processing device, and program thereof
10/21/2004	WO2004091202A1 Moving picture processing device, information processing device, and program thereof
10/21/2004	WO2004091201A1 Moving picture processing device, information processing device, and program thereof
10/21/2004	WO2004090886A1 Fragile audio watermark related to a buried data channel
10/21/2004	WO2004090870A1 Method and apparatus for encoding or decoding wide-band audio
10/21/2004	WO2004090869A1 Code conversion method and device
10/21/2004	WO2004090868A1 Updating of a buried data channel
10/21/2004	WO2004090864A2 Method and apparatus for the encoding and decoding of speech
10/21/2004	WO2001077888A3 Data stream adaptation server
10/21/2004	US20040210440 Efficient implementation for joint optimization of excitation and model parameters with a general excitation function
10/21/2004	US20040210329 Digital audio decoder having error concealment using a dynamic recovery delay and frame repeating and also having fast audio muting capabilities
10/21/2004	US20040208169 Digital audio signal compression method and apparatus
10/21/2004	US20040208113 Method and device for interfacing variable-rate sampled digital audio information to a string of uniform-sized blocks, and a unitary medium so produced by a write-interfacing
10/20/2004	EP1095488B1 Transcoders for fixed and variable rate data streams
10/20/2004	EP1038358B1 Audio codec with agc controlled by a vocoder
10/20/2004	EP0702863B1 Method and apparatus for controlling encoding rate in a communication system
10/20/2004	CN1539244A Protection of streaming A/V data
10/20/2004	CN1539139A Reducing memory requirements of codebook vector search
10/20/2004	CN1539138A Method and system for implementing low complexity spectrum estimation technique for comport noise generation
10/20/2004	CN1539137A Method and system for generating colored confort noise
10/20/2004	CN1538382A Method for training of subspace coded gaussian models
10/20/2004	CN1172555C Equalizing treating method and device and mobile station
10/20/2004	CN1172536C Method and device for using time alignment coding audio block for audio switching in video/audio
10/20/2004	CN1172294C Audio-frequency coding apapratus, method, decoding apparatus and audio-frequency decoding method
10/20/2004	CN1172293C Efficient spectral envelope coding method and its coding-decoding equipment
10/20/2004	CN1172292C Method and device for adaptive bandwidth pitch search in coding wideband signals
10/19/2004	US6807528 Adding data to a compressed data frame
10/19/2004	US6807527 Method and apparatus for determination of an optimum fixed codebook vector
10/19/2004	US6807526 Method of and apparatus for processing at least one coded binary audio flux organized into frames
10/19/2004	US6807525 SID frame detection with human auditory perception compensation
10/19/2004	US6807524 Perceptual weighting device and method for efficient coding of wideband signals
10/19/2004	US6807230 Broadcast encoding system and method
10/19/2004	US6807024 Reproducing apparatus and reproducing method
10/14/2004	WO2004088904A2 Method and apparatus for wirelessly delivering mp3 content
10/14/2004	WO2004088888A2 Method and system for increasing audio perceptual tone alerts
10/14/2004	WO2004088864A1 Method and system for extracting audio data through microphone and mixing audio data with video data and transmitting mixing data to cdma cellular phone
10/14/2004	WO2004088634A1 Speech signal compression device, speech signal compression method, and program
10/14/2004	WO2004072767A3 Audio reproduction apparatus, method, computer program

1 ... 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 ... 320