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)
07/2003
07/03/2003WO2003054860A1 Method and system for information signal coding using combinatorial and huffman codes
07/03/2003US20030125939 MELP-to-LPC transcoder
07/03/2003US20030125937 Vector estimation system, method and associated encoder
07/03/2003US20030125935 Pitch and gain encoder
07/03/2003US20030125932 Rate control strategies for speech and music coding
07/03/2003US20030125910 Method and system for implementing a gaussian white noise generator for real time speech synthesis applications
07/03/2003US20030125889 Frequency interpolating device and frequency interpolating method
07/03/2003US20030125823 Signal processing method and apparatus, signal processing program, and recording medium
07/03/2003US20030123535 Method and system for determining filter gain and automatic gain control
07/03/2003US20030123411 Vocoding apparatus and method
07/03/2003US20030123356 Apparatus and method of reproducing a recording medium, and program for reproducing a recording medium
07/02/2003EP1324561A1 Low speed speech encoding method based on the network protocol
07/02/2003EP1324116A2 Selectively attachable sound storage device
07/02/2003CN1427989A Method and arrangement for changing source signal bandwidth in telecommunication connection with multiple bandwidth capability
07/02/2003CN1427987A Method and apparatus for adapting primary content of audio and remaining portion of audio content in digital audio production process
07/02/2003CN1113492C Transmitter-receiver
07/02/2003CN1113471C 无损编码和解码系统 Lossless encoding and decoding system
07/02/2003CN1113333C Estimation method of excitation parameters and voice coding system thereof
07/02/2003CN1113332C Transmission system comprising at least a coder
07/01/2003US6587826 Channel code configurations for digital audio broadcasting systems and other types of communication systems
07/01/2003US6587823 Data CODEC system for computer
07/01/2003US6587821 Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith
07/01/2003US6587817 Method and apparatus for determining speech coding parameters
06/2003
06/26/2003WO2003053014A1 Sending audio signals with high fidelity between wireless stations
06/26/2003WO2003052744A2 Signal modification method for efficient coding of speech signals
06/26/2003WO2003052743A1 Information transmitting system, information encoder and information decoder
06/26/2003US20030120943 System and method for controlling the use and duplication of digital content distributed on removable media
06/26/2003US20030120926 Data encryption method, recording medium, data transfer apparatus, and encrypted data decryption method
06/26/2003US20030120604 Reproducing apparatus and reproducing method
06/26/2003US20030120489 Speech transfer over packet networks using very low digital data bandwidths
06/26/2003US20030120484 Method and system for generating colored comfort noise in the absence of silence insertion description packets
06/26/2003US20030118166 Method and system for telephone control using processing sensor
06/26/2003US20030118059 Method and apparatus for generating information signal to be recorded
06/26/2003US20030117896 Acoustic communication device and acoustic signal communication method
06/26/2003US20030116620 Method and system for illustrating sound and text
06/25/2003EP1320849A1 Multi-channel signal encoding and decoding
06/25/2003EP1175675B1 Method and apparatus for processing digitally encoded audio data
06/25/2003CN1426049A Voice transmission system
06/25/2003CN1112769C Digital data encoding apparatus and method thereof
06/25/2003CN1112674C Predictive split-matrix quantization of spectral parameters for effecient coding of speech
06/25/2003CN1112673C Rate changeable vocoder
06/25/2003CN1112672C Multi-pulse analysis speech processing system and method
06/25/2003CN1112671C Method of adapting noise masking level in comprehesive analysis speech coder
06/24/2003US6584443 Apparatus and method for audio data/audio-related information transfer
06/24/2003US6584441 Adaptive postfilter
06/24/2003US6584438 Frame erasure compensation method in a variable rate speech coder
06/24/2003US6584437 Method and apparatus for coding successive pitch periods in speech signal
06/24/2003US6584308 Mobile telephone with voice data compression and recording features
06/19/2003WO2003051056A1 Access to encrypted broadcast content
06/19/2003WO2002093562A3 Method for signal reception
06/19/2003WO2002035856A9 Methods and apparatus for efficient vocoder implementations
06/19/2003US20030115052 Adaptive window-size selection in transform coding
06/19/2003US20030115051 Quantization matrices for digital audio
06/19/2003US20030115050 Quality and rate control strategy for digital audio
06/19/2003US20030115048 Efficient implementation of joint optimization of excitation and model parameters in multipulse speech coders
06/19/2003US20030115047 Method and system for voice recognition in mobile communication systems
06/19/2003US20030115046 TDVC-to-LPC transcoder
06/19/2003US20030115044 Method and apparatus for transmitting wideband speech signals
06/19/2003US20030115043 Error concealment in digital transmissions
06/19/2003US20030115041 Quality improvement techniques in an audio encoder
06/19/2003US20030114109 System and method for sending high fidelity sound between wireless units
06/19/2003US20030112998 Image capture methods and devices employing steganographic processing
06/19/2003US20030112979 Encoder and decoder
06/19/2003US20030112973 Signal processing method and apparatus, and code string generating method and apparatus
06/19/2003US20030112828 Signal transmitter and signal receiver
06/18/2003EP1320087A2 Synthesis of an excitment signal for use in a comfort noise generator
06/18/2003CN1425248A Device for receiving digital radio signals
06/18/2003CN1424713A High frequency coupled pseudo small wave 5-tracks audio encoding/decoding method
06/18/2003CN1424712A Method for encoding 2.3kb/s harmonic wave excidted linear prediction speech
06/18/2003CN1112007C Delayed packet concealment method and apparatus
06/18/2003CN1111960C Digital data encoding apparatus and method thereof
06/17/2003US6581032 Bitstream protocol for transmission of encoded voice signals
06/17/2003US6581031 Speech encoding method and speech encoding system
06/17/2003US6581030 Target signal reference shifting employed in code-excited linear prediction speech coding
06/17/2003US6580838 Virtual zero task time speech and voice recognition multifunctioning device
06/17/2003US6580808 Method and apparatus for discerning image distortion by reference to encoded marker signals
06/17/2003US6579100 Interactive learning system method for infants, toddlers and young children
06/17/2003CA2267219C Differential coding for scalable audio coders
06/12/2003WO2003049306A1 Method for detecting the quantization of spectra
06/12/2003WO2003049108A2 Digital audio with parameters for real-time time scaling
06/12/2003WO2003049081A1 Low bit rate codec
06/12/2003WO2003049014A1 Neural network model for compressing/decompressing image/acoustic data files
06/12/2003WO2003049003A2 Systems and methods for tv navigation with compressed voice-activated commands
06/12/2003WO2003048900A2 System and method for compensating packet delay variations
06/12/2003US20030110042 Method and apparatus to perform speech recognition over a data channel
06/12/2003US20030110027 Method and system for information signal coding using combinatorial and huffman codes
06/12/2003US20030110025 Error concealment in digital transmissions
06/12/2003US20030107503 Device and method for determining a coding block raster of a decoded signal
06/11/2003EP1318611A1 Method for retrieving a sensitive criterion for quantized spectra detection
06/11/2003EP1318519A2 Information playback apparatus
06/11/2003EP1317754A1 Audio signal processing with adaptive noise-shaping modulation
06/11/2003EP1317753A2 Codebook structure and search for speech coding
06/11/2003EP1317752A1 A method and a device for objective speech quality assessment without reference signal
06/11/2003EP1317744A2 A method and system for illustrating sound and text
06/11/2003EP1218875B1 Method for decreasing the processing capacity required by speech encoding and a network element
06/11/2003CN1423425A High-speed data encoding-decoding method
06/10/2003US6578162 Error recovery method and apparatus for ADPCM encoded speech
06/10/2003US6577996 Method and apparatus for objective sound quality measurement using statistical and temporal distribution parameters
06/10/2003US6577995 Apparatus for quantizing phase of speech signal using perceptual weighting function and method therefor
06/10/2003US6577862 System and method for providing comfort noise in a mobile communication network
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