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)
03/2010
03/31/2010CN101685437A Computation apparatus and method, quantization apparatus and method, and program
03/31/2010CN101685436A Computation apparatus and method, quantization apparatus and method
03/30/2010US7689429 Methods and apparatuses for bit stream decoding in MP3 decoder
03/30/2010US7689428 Acoustic signal encoding device, and acoustic signal decoding device
03/30/2010US7688922 Transmitting apparatus and transmitting method, receiving apparatus and receiving method, transceiver apparatus, communication apparatus and method, recording medium, and program
03/30/2010US7688921 Transmitting apparatus and transmitting method, receiving apparatus and receiving method, transceiver apparatus, communication apparatus and method, recording medium, and program
03/30/2010US7688711 Method and apparatus for transforming a digital audio signal and for inversely transforming a transformed digital audio signal
03/30/2010CA2419796C Methods and apparatus for identifying asset location in communication networks
03/25/2010WO2010032992A2 Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and hetero coder
03/25/2010WO2010031951A1 Pre-echo attenuation in a digital audio signal
03/25/2010WO2010003618A3 Providing a time warp activation signal and encoding an audio signal therewith
03/25/2010WO2010002133A3 Apparatus and method for generating rhythm data for unspecified sound sources used in rhythm action game
03/25/2010US20100076793 Personalized Sound Management and Method
03/25/2010US20100076774 Audio decoder
03/25/2010US20100076773 Secure audio stream scramble system
03/25/2010US20100076755 Decoding apparatus and audio decoding method
03/25/2010US20100076754 Low-delay transform coding using weighting windows
03/25/2010US20100076753 Dialogue generation apparatus and dialogue generation method
03/25/2010US20100075653 Dialed Digits Based Vocoder Assignment
03/25/2010US20100075606 Selective transcoding of encoded media files
03/25/2010US20100074625 Apparatus for voice communication using an incoherent light source
03/24/2010EP2166506A2 Billing system for services provided via instant communications
03/24/2010EP2166505A2 Billing system for communications services invoicing telephony and instant communications
03/24/2010EP2165328A1 Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method; and encoded audio signal
03/24/2010CN101681627A Signal encoding using pitch-regularizing and non-pitch-regularizing coding
03/24/2010CN101681626A Decoder, decoding method, and program
03/24/2010CN101681625A Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
03/24/2010CN101681624A Voice coder and decoder
03/24/2010CN101681623A Method and apparatus for encoding and decoding high frequency band
03/24/2010CN101681619A Improved voice activity detector
03/24/2010CN101676992A Method for analyzing echo steganography
03/24/2010CN100596119C Communication device and method, and navigation device for vehicle mounting
03/23/2010US7685305 Media coding for loss recovery with remotely predicted data units
03/23/2010US7684981 Prediction of spectral coefficients in waveform coding and decoding
03/23/2010US7684980 Information flow transmission method whereby said flow is inserted into a speech data flow, and parametric codec used to implement same
03/23/2010US7684979 Band extending apparatus and method
03/23/2010US7684978 Apparatus and method for transcoding between CELP type codecs having different bandwidths
03/23/2010US7684977 User adaptive system and control method thereof
03/18/2010WO2010031003A1 Adding second enhancement layer to celp based core layer
03/18/2010WO2010028784A1 Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
03/18/2010WO2010008175A3 Apparatus for encoding and decoding of integrated speech and audio
03/18/2010WO2009151578A3 Method and apparatus for blind signal recovery in noisy, reverberant environments
03/18/2010US20100070287 Adapting masking thresholds for encoding a low frequency transient signal in audio data
03/18/2010US20100070286 Technique for controlling codec selection along a complex call path
03/18/2010US20100070285 method and an apparatus for processing an audio signal
03/18/2010US20100070284 Method and an apparatus for processing a signal
03/18/2010US20100070272 method and an apparatus for processing a signal
03/18/2010US20100070271 Transmission error concealment in audio signal
03/18/2010US20100070270 CELP Post-processing for Music Signals
03/18/2010US20100070269 Adding Second Enhancement Layer to CELP Based Core Layer
03/18/2010US20100070268 Multimodal unification of articulation for device interfacing
03/18/2010US20100070267 Method and apparatus for qos improvement with packet voice transmission over wireless lans
03/18/2010US20100070266 Performance metrics for telephone-intensive personnel
03/18/2010US20100067737 Steganographic Systems and Methods
03/18/2010US20100066742 Stylized prosody for speech synthesis-based applications
03/17/2010EP2164238A1 Multi-point connection device, signal analysis and device, method, and program
03/17/2010EP2162883A2 Limitation of distortion introduced by a post-processing step during digital signal decoding
03/17/2010EP2162882A1 Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components
03/17/2010EP2162881A1 Improved voice activity detector
03/17/2010EP2162880A1 Method and device for sound activity detection and sound signal classification
03/17/2010EP2162857A2 Providing sender-selected sound items to conversation participants
03/17/2010EP2162844A2 Generating music thumbnails and identifying related song structure
03/17/2010EP2162355A1 System and method for transmitting audio data
03/17/2010EP1854334B1 Device and method for generating an encoded stereo signal of an audio piece or audio data stream
03/17/2010CN101675473A Method and apparatus for processing encoded audio data
03/17/2010CN101675472A A method and an apparatus for processing an audio signal
03/17/2010CN101675471A A method and an apparatus for processing an audio signal
03/17/2010CN101674100A Method and device for processing half-rate speech
03/17/2010CN101673549A Spatial audio parameters prediction coding and decoding methods of movable sound source and system
03/17/2010CN101673548A Parametric stereo encoding method, parametric stereo encoding device, parametric stereo decoding method and parametric stereo decoding device
03/17/2010CN101673547A Coding and decoding methods and devices thereof
03/17/2010CN101673546A Arithmetic decoding method and apparatus, and method and device for truncating audio data bitstream
03/17/2010CN101673545A Method and device for coding and decoding
03/17/2010CN100594680C Method and equipment for coding and decoding of digital information signal
03/16/2010US7681223 Audio/video reproducing system, audio/video device therein, and audio/video reproducing method therewith
03/16/2010US7680671 Multi-precision technique for digital audio encoder
03/16/2010US7680670 Dimensional vector and variable resolution quantization
03/16/2010US7680669 Sound encoding apparatus and method, and sound decoding apparatus and method
03/16/2010US7680665 Device and method for interpolating frequency components of signal adaptively
03/16/2010US7680653 Background noise reduction in sinusoidal based speech coding systems
03/16/2010US7680651 Signal modification method for efficient coding of speech signals
03/16/2010US7680552 Spectral translation/folding in the subband domain
03/16/2010US7680141 Transmitter device and relay device for performing data transmission control
03/16/2010US7680042 Generic on-chip homing and resident, real-time bit exact tests
03/16/2010CA2506933C Encoding multiple messages in audio data and detecting same
03/11/2010WO2010028301A1 Spectrum harmonic/noise sharpness control
03/11/2010WO2010028299A1 Noise-feedback for spectral envelope quantization
03/11/2010WO2010028292A1 Adaptive frequency prediction
03/11/2010WO2010027847A1 Robust media fingerprints
03/11/2010WO2010027722A1 Method for determining updated filter coefficients of an adaptive filter adapted by an lms algorithm with pre-whitening
03/11/2010WO2009131392A3 A method and an apparatus for processing an audio signal
03/11/2010US20100064145 Semiconductor memory card, playback apparatus, recording apparatus, playback method, recording method, and computer-readable recording medium
03/11/2010US20100063828 Stream synthesizing device, decoding unit and method
03/11/2010US20100063827 Selective Bandwidth Extension
03/11/2010US20100063826 Computation apparatus and method, quantization apparatus and method, audio encoding apparatus and method, and program
03/11/2010US20100063824 Apparatus and method for widening audio signal band
03/11/2010US20100063812 Efficient Temporal Envelope Coding Approach by Prediction Between Low Band Signal and High Band Signal
03/11/2010US20100063811 Temporal Envelope Coding of Energy Attack Signal by Using Attack Point Location
03/11/2010US20100063810 Noise-Feedback for Spectral Envelope Quantization
03/11/2010US20100063804 Adaptive sound source vector quantization device and adaptive sound source vector quantization method
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