Patents
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)
03/2004
03/04/2004WO2002033880A9 Data reproducing/recording apparatus / method and list updating method
03/04/2004US20040044894 Transforming data files into logical storage units for auxiliary data through reversible watermarks
03/04/2004US20040044893 Reversible watermarking using expansion, rate control and iterative embedding
03/04/2004US20040044824 Information processing method, information processing apparatus, and program therefor
03/04/2004US20040044534 Innovations in pure lossless audio compression
03/04/2004US20040044533 Bit rate reduction in audio encoders by exploiting inharmonicity effects and auditory temporal masking
03/04/2004US20040044527 Quantization and inverse quantization for audio
03/04/2004US20040044526 Method for compressing audio signal using wavelet packet transform and apparatus thereof
03/04/2004US20040044525 Controlling loudness of speech in signals that contain speech and other types of audio material
03/04/2004US20040044524 Multi-channel signal encoding and decoding
03/04/2004US20040044523 Information processing apparatus and method, and program
03/04/2004US20040044521 Unified lossy and lossless audio compression
03/04/2004US20040044520 Mixed lossless audio compression
03/04/2004US20040044428 Audio processor, audio processing method, computer program, and computer readable storage medium
03/04/2004US20040042622 Speech Processing apparatus and mobile communication terminal
03/03/2004EP1395078A2 Mobile communication system and method with fast and slow control traffic
03/03/2004EP1394952A1 NORMALIZING DEVICE AND METHOD, PROGRAM, RECORD MEDIUM ON WHICH THE PROGRAM IS RECORDED, AND COMMUNICATION TERMINAL
03/03/2004EP1394951A1 Compressing device and method, decompressing device and method, compressing/decompressing system, program, record medium
03/03/2004EP1394773A1 Method of coding a signal using vector quantization
03/03/2004EP1394772A1 Signaling of window switchings in a MPEG layer 3 audio data stream
03/03/2004EP1393480A2 Silence detection
03/03/2004EP1393454A1 Coding and decoding of partially a priori known information
03/03/2004EP1393315A1 Generation and detection of a watermark robust against resampling of an audio signal
03/03/2004EP1393303A1 Inter-channel signal redundancy removal in perceptual audio coding
03/03/2004EP1393301A1 Estimating signal power in compressed audio
03/03/2004EP1237727A4 Printer with code sensor
03/03/2004EP0736211B1 Distributed voice recognition system
03/03/2004CN1140894C Variable bitrate speed transmission system
03/02/2004US6701291 Automatic speech recognition with psychoacoustically-based feature extraction, using easily-tunable single-shape filters along logarithmic-frequency axis
03/02/2004US6700990 Digital watermark decoding method
03/02/2004US6700953 System, apparatus, method and article of manufacture for evaluating the quality of a transmission channel using voice recognition technology
02/2004
02/26/2004WO2004017553A1 Evaluation of received useful information by the detection of error concealment
02/26/2004WO2004017302A1 Speech recognition faciliation method and apparatus
02/26/2004WO2003096326A3 Audio compression
02/26/2004WO2003049108A3 Digital audio with parameters for real-time time scaling
02/26/2004US20040039985 Method and apparatus for puncturing with unequal error protection in a wireless communication system
02/26/2004US20040039913 Method and system for watermarking digital content and for introducing failure points into digital content
02/26/2004US20040039571 Efficient coding of side information in a lossless encoder
02/26/2004US20040039569 Method and apparatus for mitigating the effect of transmission errors in a distributed speech recognition process and system
02/26/2004US20040039568 Coding method, apparatus, decoding method and apparatus
02/26/2004US20040039567 Structured VSELP codebook for low complexity search
02/26/2004US20040039566 Condensed voice buffering, transmission and playback
02/26/2004US20040038187 Interactive learning system method for infants toddlers and young children
02/26/2004US20040037449 Integrating digital watermarks in multimedia content
02/26/2004DE10236694A1 Equipment for scalable coding and decoding of spectral values of signal containing audio and/or video information by splitting signal binary spectral values into two partial scaling layers
02/25/2004EP1391880A2 Coding device decoding device and methods thereof
02/25/2004EP1391879A2 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
02/25/2004EP1391878A2 Speech coding apparatus, linear prediction coefficient analyzing apparatus and noise reducing apparatus
02/25/2004EP1391127A2 Location-based services
02/25/2004EP1390947A2 Method for signal reception
02/25/2004EP1390946A1 Method for estimating a codec parameter
02/25/2004EP1390945A1 Method and apparatus for improved voicing determination in speech signals containing high levels of jitter
02/25/2004EP1390942A1 Method for time aligning audio signals using characterizations based on auditory events
02/25/2004CN1478233A Signal processing method and device
02/25/2004CN1139912C CELP voice encoder
02/24/2004US6697776 Dynamic signal detector system and method
02/24/2004US6697492 Digital signal processing acoustic speaker system
02/19/2004WO2004015872A1 Digital signal processing device and digital signal processing method
02/19/2004WO2004015712A1 Mp3 walkman with a replaceable hard disk
02/19/2004WO2004015690A1 Speech communication unit and method for error mitigation of speech frames
02/19/2004WO2004015689A1 Bandwidth-adaptive quantization
02/19/2004WO2004015687A1 Voice recorder
02/19/2004WO2004015685A2 Distributed speech recognition with back-end voice activity detection apparatus and method
02/19/2004WO2004015629A2 Identification of digital data sequences
02/19/2004WO2003104935A3 Multimedia server with simple adaptation to dynamic network loss conditions
02/19/2004WO2003090395A3 Method and system for watermarking digital content and for introducing failure points into digital content
02/19/2004WO2003042979A3 Encoding device and decoding device
02/19/2004US20040034863 Fast digital channel changing
02/19/2004US20040034655 Multimedia system and method
02/19/2004US20040034526 Speech recognition faciliation method and apparatus
02/19/2004US20040033057 Signal reproducing apparatus and signal reproducing method
02/19/2004US20040032960 Multichannel downmixing device
02/19/2004US20040032509 Camera having audio noise attenuation capability
02/19/2004CA2494956A1 Bandwidth-adaptive quantization
02/18/2004EP1389874A2 Fast digital channel changing
02/18/2004CN1476673A Coding method, apparatus, decoding method and apparatus
02/18/2004CN1476613A Information processing apparatus and method
02/18/2004CN1476599A Encodding apparatus and method, decoding apparatus and method, and recoding medium recoding apparatus and method
02/18/2004CN1475988A Sound coder and sound decoder
02/18/2004CN1139067C Method for obtaining controlled content or information of DVD and method for operating DVD apparatus
02/18/2004CN1139057C Voice communication process for transmitting very low bit rate voice and corresponding communication apparatus
02/17/2004US6694293 Speech coding system with a music classifier
02/17/2004US6694292 Apparatus for encoding and apparatus for decoding speech and musical signals
02/17/2004US6693963 Subband encoding and decoding system for data compression and decompression
02/17/2004US6693900 Variable bit rate transmission of AV signal in packet network
02/12/2004WO2004013841A1 Audio decoding apparatus and audio decoding method based on spectral band repliction
02/12/2004WO2004013840A1 Digital signal processing techniques for improving audio clarity and intelligibility
02/12/2004US20040030900 Undetectable watermarking technique for audio media
02/12/2004US20040030549 Method of coding a signal using vector quantization
02/12/2004US20040030548 Bandwidth-adaptive quantization
02/12/2004US20040030547 Encoding audio signals
02/12/2004US20040030546 Apparatus and method for generating pitch waveform signal and apparatus and mehtod for compressing/decomprising and synthesizing speech signal using the same
02/12/2004US20040030545 Pitch cycle search range setting apparatus and pitch cycle search apparatus
02/12/2004US20040030544 Distributed speech recognition with back-end voice activity detection apparatus and method
02/12/2004US20040028384 Digital recording/reproducing apparatus
02/12/2004US20040028237 Noise shaper for processing stereo signals
02/12/2004US20040028222 Stegotext encoder and decoder
02/12/2004US20040028126 Encoding apparatus and method, decoding apparatus and method, and recording medium recording apparatus and method
02/12/2004US20040028125 Frequency interpolating device for interpolating frequency component of signal and frequency interpolating method
02/12/2004US20040027931 Information processing apparatus and method