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)
09/2003
09/11/2003US20030171916 Audio signal reproducing method and an apparatus for reproducing the same
09/11/2003US20030171830 Vector estimation system, method and associated encoder
09/11/2003US20030169940 Method and apparatus for the compression and decompression of image files using a chaotic system
09/11/2003US20030169864 Method and system for telephone control using coded marks
09/11/2003US20030169821 Content supply system and information processing method
09/11/2003US20030169804 Method of labelling a multi-frequency signal
09/11/2003US20030169647 Recording medium, editing method and editing apparatus
09/11/2003US20030169646 Recording medium, editing method and editing apparatus
09/11/2003US20030169189 Robust system for transmitting and receiving map data
09/11/2003DE10201623C1 Verfahren zur Datenerfassung von auf einer Internet-Seite bereitgestellten Daten und Verfahren zur Datenübermittlung an eine Internet-Seite Methods for collecting data from provided on an Internet site data and method for data transmission to a website
09/10/2003EP1343295A2 Data stream-distribution system and method therefor
09/10/2003EP1343146A2 Audio signal processing based on a perceptual model
09/10/2003EP1343143A1 Information extracting device
09/10/2003EP1342363A1 Transmission and reception of audio and/or video material
09/10/2003EP1342238A2 Auxiliary channel masking in an audio signal
09/10/2003EP1342231A1 Encoding audio signals
09/10/2003EP1342230A1 Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
09/10/2003EP1342147A2 Device for storing and reproducing audio and/or video
09/10/2003EP1051703B1 Method for decoding an audio signal with transmission error correction
09/10/2003EP0950238B1 Speech coding and decoding system
09/10/2003CN1442003A Method and means for receiving digital transmission comprising plurality of digital audio signals and for simultaneous reproduction of these signals as analog audio programmes
09/10/2003CN1441950A Speech communication system and method for handling lost frames
09/10/2003CN1441949A Forward error correction in speech coding
09/10/2003CN1441571A Method for optimizing network resource use on IP group support network for transmitting data eg. voice signal
09/10/2003CN1441433A 记录装置 Recording device
09/10/2003CN1121124C Method and system for manipulation of audio or video signals
09/10/2003CN1121037C Recording and reproducing device
09/09/2003CA2355975C Excitation vector generator, speech coder and speech decoder
09/09/2003CA2182386C Speech coding method using linear prediction and algebraic code excitation
09/04/2003WO2003073741A2 Scalable compression of audio and other signals
09/04/2003US20030167174 Automatic audio recorder-player and operating method therefor
09/04/2003US20030167173 Connected audio and other media objects
09/04/2003US20030167165 Method and apparatus for encoding and for decoding a digital information signal
09/04/2003US20030167164 Frequency thinning device and method for compressing information by thinning out frequency components of signal
09/04/2003US20030165084 Audio frequency scaling during video trick modes utilizing digital signal processing
09/04/2003CA2419765A1 Audio signal processing using improved perceptual model
09/03/2003EP1341161A2 Method and apparatus for encoding and for decoding a digital information signal
09/03/2003EP1341160A1 Method and apparatus for encoding and for decoding a digital information signal
09/03/2003EP1340320A2 Communication system
09/03/2003EP1340223A2 Method and apparatus for robust speech classification
09/03/2003CN1440144A Digital signal coder, decoder and coding method decoding method
09/03/2003CN1440133A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440132A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440131A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440130A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440129A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440128A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440127A Audio signal coding, decoding method and audio transmission method
09/03/2003CN1440126A Audio sigal coding decoding method and audio transmission method
09/03/2003CN1120496C Apparatus and method for simplified analog signal record and playback
09/03/2003CN1120472C Vector search method
09/03/2003CN1120471C 语音编码 Speech coding
09/03/2003CN1120469C Method for voice data transmission
09/03/2003CN1120468C Method for derivation of characteristic value from phonetic signal
09/02/2003US6615294 Recording/reproducing apparatus using an IC memory
09/02/2003US6615173 Real time audio transmission system supporting asynchronous input from a text-to-speech (TTS) engine
09/02/2003US6615169 High frequency enhancement layer coding in wideband speech codec
09/02/2003US6615025 Dual-mode communication system and voice signal processing method of the same
09/02/2003US6614914 Watermark embedder and reader
09/02/2003US6614370 Redundant compression techniques for transmitting data over degraded communication links and/or storing data on media subject to degradation
08/2003
08/28/2003WO2003071522A1 Fixed sound source vector generation method and fixed sound source codebook
08/28/2003WO2003071521A1 Data transmission over a compressed speech channel
08/28/2003US20030163524 Information processing system, information processing apparatus, information processing method, and program
08/28/2003US20030163377 Store system
08/28/2003US20030163318 Compression/decompression technique for speech synthesis
08/28/2003US20030163317 Data processing device
08/28/2003US20030163313 Model generation apparatus and methods
08/28/2003US20030163312 Speech processing apparatus and method
08/28/2003US20030163307 Data processing apparatus
08/28/2003US20030163305 Method and apparatus for audio error concealment using data hiding
08/28/2003US20030163304 Error concealment for voice transmission system
08/28/2003US20030161609 Information processor
08/28/2003US20030161550 Enhanced Method for digital data hiding
08/28/2003US20030161470 Apparatus and method for controlling the copy and play of a digital audio contents
08/28/2003US20030161469 Method and apparatus for embedding data in compressed audio data stream
08/28/2003US20030161468 Storage device and system
08/28/2003US20030161236 Recording apparatus
08/27/2003EP1339055A2 Recording apparatus
08/27/2003EP1339045A1 Method for pre-processing speech
08/27/2003EP1339044A2 Method and apparatus for performing reduced rate variable rate vocoding
08/27/2003EP1339043A1 Pitch cycle search range setting device and pitch cycle search device
08/27/2003EP1339042A1 Voice encoding method and apparatus
08/27/2003EP1339041A1 Audio decoder and audio decoding method
08/27/2003EP1339040A1 Vector quantizing device for lpc parameters
08/27/2003EP1338004A1 Method and device for the generation or decoding of a scalable data stream with provision for a bit-store, encoder and scalable encoder
08/27/2003EP1338003A1 Gains quantization for a celp speech coder
08/27/2003EP1338002A2 Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
08/27/2003EP1338001A1 Sinusoidal model based coding of audio signals
08/27/2003EP1338000A1 Enhancing source coding systems by adaptive transposition
08/27/2003EP1337999A2 Method and system for comfort noise generation in speech communication
08/27/2003EP1225568B1 Algebraic codebook with signal-selected pulse amplitudes for fast coding of speech
08/27/2003EP1177639B1 Quantization in perceptual audio coders with compensation for synthesis filter noise spreading
08/27/2003EP1142346B1 Encoding auxiliary information with frame-based encoded audio information
08/27/2003CN1439155A Method and apparatus for voice latency reduction in a voice-over-data wireless communication system
08/27/2003CN1438767A Method and apparatus for changing compressed audio frequency signal using small wave packet
08/27/2003CN1119910C Method for transmitting digita use ful data
08/27/2003CN1119902C Method and apparatus for coding and decoding audio frequency or video frequency frame data
08/27/2003CN1119868C Method and apparatus for representing multi-symbol information using compact source coding tables for encoding/decoding
08/27/2003CN1119864C Decoding device
08/27/2003CN1119798C Digital voice signal processor and its gain correction method
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