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
07/30/2003EP1242864A4 Printer with vacation mode
07/30/2003EP1125285B1 Periodicity enhancement in decoding wideband signals
07/30/2003EP1064616B1 Data carrier provided with at least two decoding stages
07/30/2003EP0981816B1 Audio coding systems and methods
07/30/2003CN1433562A Audible error detector and controller utilizing channel quality data and iterative synthesis
07/30/2003CN1116766C Automatic remote image/language-transfer monitoring system
07/29/2003US6601206 Error concealment or correction of speech, image and video signals
07/29/2003US6601032 Fast code length search method for MPEG audio encoding
07/29/2003US6600798 Reduced complexity signal transmission system
07/29/2003US6600740 Voice quality optimization on multi-codec calls
07/29/2003CA2356051C Excitation vector generator, speech coder and speech decoder
07/29/2003CA2356041C Excitation vector generator, speech coder and speech decoder
07/29/2003CA2262293C Apparatus for encoding and apparatus for decoding speech and musical signals
07/24/2003WO2003061299A1 Audio coding
07/24/2003WO2003061282A1 Information recording apparatus and method, information reproduction apparatus and method, information recording program, information reproduction programs, recording medium, and information recording medium
07/24/2003WO2003061143A2 Coding a masked data channel in a radio signal
07/24/2003WO2002099558A3 Digital data distribution system
07/24/2003WO2002045280A3 System and method for processing an audio signal prior to encoding
07/24/2003US20030140159 Method and system for transmitting and/or retrieving real-time video and audio information over performance-limited transmission systems
07/24/2003US20030139923 Method and apparatus for speech coding and decoding
07/24/2003US20030139830 Information extracting device
07/24/2003US20030138128 Personal document authentication system using watermarking
07/24/2003US20030138127 Digital watermarking systems and methods
07/24/2003US20030138057 Encoder and decoder
07/23/2003EP1330039A1 Frequency-domain audio decoder system with entropy code mode switching
07/23/2003EP1330038A1 Frequency-domain audio decoding with entropy code mode switching
07/23/2003EP1329829A2 Method for the acquisition and distribution of data provided by a web page
07/23/2003EP1328938A1 Audio signal compression
07/23/2003EP1328928A2 Apparatus for bandwidth expansion of a speech signal
07/23/2003EP1328927A1 Method and system for estimating artificial high band signal in speech codec
07/23/2003EP1328925A2 Method and apparatus for coding of unvoiced speech
07/23/2003EP1328924A1 Multimode speech coder
07/23/2003EP1328923A1 Perceptually improved encoding of acoustic signals
07/23/2003EP1328922A2 Quantization of spectral sequences for audio signal coding
07/23/2003CN1432176A Method and appts. for predictively quantizing voice speech
07/23/2003CN1432175A Frame erasure compensation method in variable rate speech coder
07/23/2003CN1115781C Coding appts.
07/22/2003US6597961 System and method for concealing errors in an audio transmission
07/22/2003US6597241 High performance audio transmission channel
07/22/2003CA2355973C Excitation vector generator, speech coder and speech decoder
07/17/2003WO2003058605A1 Scalable coder and decoder for a scaled data stream
07/17/2003WO2003058485A1 Method and system for the information protection of digital content
07/17/2003WO2003058407A2 A transcoding scheme between celp-based speech codes
07/17/2003US20030135376 Control of speech code in mobile communications system
07/17/2003US20030135375 Encoding speech segments for economical transmission and automatic playing at remote computers
07/17/2003US20030135372 Hybrid dual/single talker speech synthesizer
07/17/2003US20030135370 Compressed domain voice activity detector
07/17/2003US20030135368 Compressed domain conference bridge
07/17/2003US20030135367 Efficient excitation quantization in noise feedback coding with general noise shaping
07/17/2003US20030135366 Compressed domain voice activity detector
07/17/2003US20030135365 Efficient excitation quantization in noise feedback coding with general noise shaping
07/17/2003US20030135363 Speech coder and method
07/17/2003US20030133701 Method and apparatus of processing audio information having system header
07/17/2003US20030133592 Content objects with computer instructions steganographically encoded therein, and associated methods
07/17/2003US20030133546 Method for acquisition of data provided on an internet site and for data communication to an internet site
07/17/2003US20030133472 Software encoder for encoding digital audio streams
07/16/2003EP1327243A1 Method and device for the generation of a scalable data stream and method and device for decoding a scalable data stream
07/16/2003EP1327242A1 Error concealment in relation to decoding of encoded acoustic signals
07/16/2003EP1327241A1 Perceptually improved enhancement of encoded acoustic signals
07/16/2003EP1327240A1 Multi-channel signal encoding and decoding
07/16/2003CN1430778A Noise suppressor
07/16/2003CN1430777A Improved spectral translation/folding in subband domain
07/16/2003CN1430439A Speech encoding equipment and method
07/16/2003CN1430222A Method and equipment for processing audio information having system header
07/16/2003CN1114900C Depth-first algebraic-codebook search method for fast coding of speech
07/15/2003US6594631 Method for forming phoneme data and voice synthesizing apparatus utilizing a linear predictive coding distortion
07/15/2003US6594628 Distributed voice recognition system
07/15/2003US6594627 Methods and apparatus for lattice-structured multiple description vector quantization coding
07/15/2003US6594626 Voice encoding and voice decoding using an adaptive codebook and an algebraic codebook
07/15/2003US6593872 Signal processing apparatus and method, signal coding apparatus and method, and signal decoding apparatus and method
07/15/2003US6593866 Signal processors
07/15/2003CA2356049C Excitation vector generator, speech coder and speech decoder
07/10/2003WO2003056546A1 Signal coding apparatus, signal coding method, and program
07/10/2003WO2003023785A3 Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files
07/10/2003US20030130838 Method and apparatus employing a vocoder for speech processing
07/10/2003US20030128861 Watermark embedder and reader
07/10/2003US20030128848 Method and apparatus for removing noise from electronic signals
07/10/2003US20030128845 Method of scrambling a signal
07/10/2003US20030128670 Adaptive bit rate vocoder for IP telecommunications
07/09/2003EP1326444A1 Signal transmitter and signal receiver
07/09/2003EP1326441A2 Method and apparatus for generating information signal to be recorded
07/09/2003EP1326359A1 Adaptive bit rate vocoder for IP telecommunications
07/09/2003EP1326244A2 Apparatus and method of reproducing a recording medium, and program for reproducing a recording medium
07/09/2003EP1326237A2 Excitation quantisation in noise feedback coding
07/09/2003EP1326236A2 Efficient implementation of joint optimization of excitation and model parameters in multipulse speech coders
07/09/2003EP1326235A2 Efficient excitation quantization in noise feedback coding with general noise shaping
07/09/2003EP1325601A1 Digital signal processing techniques for improving audio clarity and intelligibility
07/09/2003EP1325495A1 Multi-channel signal encoding and decoding
07/09/2003EP0853842B1 Encoding of a plurality of information signals
07/09/2003CN1429385A Parametric encoder and method for encoding audio or speech signal
07/09/2003CN1429384A Parametric coding of audio or speech signal
07/09/2003CN1428781A Method and equipment for producing recording information signal
07/09/2003CN1114279C Complexity-reduced signal transmission system
07/09/2003CN1114274C Digital data coding/decoding method and equipment thereof
07/09/2003CN1114272C Method for allocating optimum amount of bits to MPEG audio data at high speed
07/08/2003US6590998 Network linking method using information embedded in data objects that have inherent noise
07/08/2003US6590997 Files and methods employing common information in both header and steganographic embedding
07/08/2003US6588751 Device and method for continuously shuffling and monitoring cards
07/03/2003WO2003055130A1 Reversible watermarking
07/03/2003WO2003055112A1 Microphone apparatus built in computer network
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