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)
11/2005
11/23/2005CN1701353A A transcoding scheme between CELP-based speech codes
11/23/2005CN1228995C Ultra-high speed data coding and decoding device, and data sending system
11/23/2005CN1228972C Information processor
11/22/2005US6968564 Multi-band spectral audio encoding
11/22/2005US6968309 Method and system for speech frame error concealment in speech decoding
11/22/2005US6967905 Information playback apparatus
11/17/2005WO2005109923A1 Data transmission
11/17/2005WO2005109702A1 Watermark incorporation
11/17/2005WO2005109403A1 Audio bitstream format in which the bitstream syntax is described by an ordered transveral of a tree hierarchy data structure
11/17/2005WO2005109402A1 Sound packet transmitting method, sound packet transmitting apparatus, sound packet transmitting program, and recording medium in which that program has been recorded
11/17/2005WO2005109401A1 Acoustic signal packet communication method, transmission method, reception method, and device and program thereof
11/17/2005WO2005109240A1 Information signal processing by carrying out modification in the spectral/modulation spectral region representation
11/17/2005US20050256723 Efficient filter bank computation for audio coding
11/17/2005US20050256722 System and method for lossless audio encoding and decoding
11/17/2005US20050256709 Band extending apparatus and method
11/17/2005US20050256707 Digitized audio data reproduction apparatus, and integrated circuit device to output audio signals
11/17/2005US20050256704 Method for speech coding, method for speech decoding and their apparatuses
11/17/2005US20050256702 Algebraic codebook search implementation on processors with multiple data paths
11/17/2005US20050256701 Selection of coding models for encoding an audio signal
11/17/2005US20050254788 Information record apparatus and method, information reproduction apparatus and method, and computer program product
11/17/2005US20050254719 Embedded scalar quantizers with arbitrary dead-zone ratios
11/17/2005US20050254684 Methods for steganographic encoding media
11/17/2005US20050254588 Digital signal encoding method and apparatus using plural lookup tables
11/17/2005US20050254586 Method of and apparatus for encoding/decoding digital signal using linear quantization by sections
11/17/2005US20050254446 Signal synthesizing
11/17/2005US20050254374 Method for performing fast-forward function in audio stream
11/17/2005US20050252361 Sound encoding apparatus and sound encoding method
11/17/2005CA2566091A1 Data transmission
11/17/2005CA2561352A1 Audio bitstream format in which the bitstream syntax is described by an ordered transveral of a tree hierarchy data structure
11/17/2005CA2467466A1 System and method for compressing and reconstructing audio files
11/16/2005EP1596368A2 Method and apparatus for speech decoding
11/16/2005EP1596367A2 Method and apparatus for speech decoding
11/16/2005EP1596366A1 Digital signal encoding method and apparatus using plural lookup tables
11/16/2005EP1596365A1 Apparatus, method, and medium for speech signal compression and decompression
11/16/2005EP1596364A1 Error detection and error concealment for encoded speech data
11/16/2005EP1596363A1 Speech synthesis processing system
11/16/2005EP1595248A2 System and method for enhancing bit error tolerance over a bandwith limited channel
11/16/2005EP1595247A1 Audio coding
11/16/2005EP1595246A1 Signal processing
11/16/2005EP1595244A2 Pitch quantization for distributed speech recognition
11/16/2005EP1595243A2 Audio reproduction apparatus, method, computer program
11/16/2005EP1287521A4 Perceptual spectral weighting of frequency bands for adaptive noise cancellation
11/16/2005EP1222659B1 Lpc-harmonic vocoder with superframe structure
11/16/2005EP1181687B1 Multipulse interpolative coding of transition speech frames
11/16/2005CN1227812C Generating coefficients for prediction filter in encoder
11/16/2005CN1227646C Audio signal transmission system
11/15/2005US6965954 Data playing system, transmitting and receiving apparatus, and bus conversion unit
11/15/2005US6965859 Method and apparatus for audio compression
11/15/2005US6965805 Coding apparatus and method, decoding apparatus and method, and program storage medium
11/15/2005CA2179759C Distributed voice recognition system
11/10/2005WO2005106851A1 Reduced computational complexity of bit allocation for perceptual coding
11/10/2005WO2005106850A1 Hierarchy encoding apparatus and hierarchy encoding method
11/10/2005WO2005106849A1 Digital audio compression/decompression with reduced complexity linear predictor coefficients coding/de-coding
11/10/2005WO2005106848A1 Scalable decoder and expanded layer disappearance hiding method
11/10/2005WO2005106661A1 Data processing program and data processing device
11/10/2005US20050251388 Spectrogram reconstruction by means of a codebook
11/10/2005US20050251387 Method and device for gain quantization in variable bit rate wideband speech coding
11/10/2005US20050249374 Digital watermarking for workflow
11/10/2005US20050249240 Multimedia server with simple adaptation to dynamic network loss conditions
11/10/2005US20050249135 Half duplex device and signal processing method thereof
11/09/2005EP1594122A1 Spread spectrum watermarking
11/09/2005EP1594121A1 Method and apparatus for speech analysing and synthesis using lattice-ladder filters
11/09/2005EP1593116A1 Method for differentiated digital voice and music processing, noise filtering, creation of special effects and device for carrying out said method
11/09/2005EP1325601A4 Digital signal processing techniques for improving audio clarity and intelligibility
11/09/2005EP1257938A4 Sensing device for coded electronic ink surface
11/09/2005EP1245132B1 Garments incorporating audio devices
11/09/2005EP1161805B1 Synchronization of voice packet generation to unsolicited grants in a docsis cable modem voice over packet telephone
11/09/2005EP1159739B1 Method and apparatus for eighth-rate random number generation for speech coders
11/09/2005EP1145228B1 Periodic speech coding
11/08/2005US6963975 System and method for audio fingerprinting
11/08/2005US6963877 Selective processing of data embedded in a multimedia file
11/08/2005US6963860 Information recording and reproducing system and method and distribution medium
11/08/2005US6963842 Efficient system and method for converting between different transform-domain signal representations
11/08/2005US6963646 Sound signal encoding apparatus and method
11/08/2005CA2317969C Method and apparatus for decoding speech signal
11/03/2005WO2005104383A1 Telephone apparatus for making telephone calls in conjunction with a computing device
11/03/2005WO2005104095A1 Signal encoding
11/03/2005WO2005104094A1 Coding equipment
11/03/2005WO2005104092A2 Voice over short message service
11/03/2005US20050246180 Audio signal process circuit
11/03/2005US20050246178 Scalable lossless audio codec and authoring tool
11/03/2005US20050246164 Coding of audio signals
11/03/2005US20050244004 Information processing apparatus and method
11/03/2005US20050242860 FFT-based multichannel video receiver
11/03/2005DE10197182B4 Verfahren zum Codieren und Decodieren von Digital-Audiodaten A method for encoding and decoding digital audio data
11/03/2005CA2562877A1 Selective signal encoding modes
11/02/2005EP1592160A1 Superframe error coding in digital audio broadcasting systems
11/02/2005EP1592008A2 Multi-channel compatible stereo recording
11/02/2005EP1590801A2 Conversion of spectral components for encoding and low-complexity transcoding
11/02/2005EP1590800A2 Continuous backup audio
11/02/2005EP1377966B1 Audio compression
11/02/2005EP1310099B1 Modulating one or more parameters of an audio or video perceptual coding system in response to supplemental information
11/02/2005EP0763300B1 Pcs pocket phone/microcell communication over-air protocol
11/02/2005EP0725499B1 Transmitter-receiver
11/02/2005CN1692409A Spectrogram reconstruction by means of a codebook
11/02/2005CN1692408A Method and device for efficient in-band dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for CDMA wireless systems
11/02/2005CN1692363A Information processing system, information processing apparatus and information processing method, as well as program and recording medium
11/02/2005CN1691135A Sound effect equalization method
11/02/2005CN1225841C Method for real-time lossless coding input sound frequency data and decoding method
11/01/2005US6961850 Method and system for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs
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