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)
11/2007
11/21/2007CN101076853A Wide-band encoding device, wide-band lsp prediction device, band scalable encoding device, wide-band encoding method
11/21/2007CN101076852A Data structure, information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method, and program
11/21/2007CN101075436A Method and device for coding and decoding audio frequency with compensator
11/21/2007CN100350807C Improved methods for generating comport noise during discontinuous transmission
11/21/2007CN100350749C Lossless encoding/decoding in transmission system
11/21/2007CN100350488C Method and apparatus for elapsed playback timekeeping of variable bit-rate digitally encoded audio data files
11/21/2007CN100350453C Method and apparatus for robust speech classification
11/21/2007CN100350419C Audio player with code sensor
11/20/2007US7299499 Data transfer system, data transfer apparatus, data recording apparatus, data transfer method, and recording medium
11/20/2007US7299190 Quantization and inverse quantization for audio
11/20/2007US7299189 Additional information embedding method and it's device, and additional information decoding method and its decoding device
11/20/2007US7299184 Method and apparatus to prepare listener-interest-filtered works
11/20/2007US7299175 Normalizing to compensate for block size variation when computing control parameter values for quality and rate control for digital audio
11/20/2007US7299174 Speech coding apparatus including enhancement layer performing long term prediction
11/20/2007US7299172 Systems and methods for sound compression
11/20/2007US7299100 Digital signal processing apparatus and digital signal processing method
11/20/2007US7299031 Mobile communication terminal capable of storing audio messages in multiple audio compression formats
11/20/2007US7298841 Stegotext encoder and decoder
11/20/2007US7298783 Method of compressing sounds in mobile terminals
11/20/2007US7298295 Method, apparatus, system, and program for code conversion transmission and code conversion reception of audio data
11/15/2007WO2007129798A1 System and method for providing information using outside sound recognition of mobile phone, and mobile terminal for the same
11/15/2007WO2007129728A1 Encoding device and encoding method
11/15/2007WO2007129726A1 Voice encoding device, and voice encoding method
11/15/2007WO2007129243A2 Synthesizing comfort noise
11/15/2007WO2007128662A1 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
11/15/2007WO2007128661A1 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
11/15/2007WO2007128523A1 Enhancing audio with remixing capability
11/15/2007US20070266252 Authenticating Metadata and Embedding Metadata in Watermarks of Media Signals
11/15/2007US20070265841 Information processing apparatus, information processing method, and program
11/15/2007US20070265840 Signal processing method and device
11/15/2007US20070265839 Apparatus and method for changing reproduction speed of speech sound
11/15/2007US20070265838 Voice Messaging Systems
11/15/2007US20070265837 Scalable Decoding Device and Signal Loss Compensation Method
11/15/2007US20070265836 Audio signal encoding apparatus and method
11/15/2007US20070265835 Method and system for securing execution of untrusted applications
11/15/2007DE102006022346A1 Informationssignalcodierung Information signal coding
11/15/2007CA2649911A1 Enhancing audio with remixing capability
11/14/2007EP1855473A1 Contents reproducing device, and contents reproducing method
11/14/2007EP1855271A1 Method and apparatus for re-encoding signals
11/14/2007EP1854334A1 Device and method for generating an encoded stereo signal of an audio piece or audio data stream
11/14/2007EP1854095A1 Speech analyzing system with adaptive noise codebook
11/14/2007EP1756807B1 Audio encoding
11/14/2007EP1754222B1 Energy dependent quantization for efficient coding of spatial audio parameters
11/14/2007EP1723639B1 Synthesizing a mono audio signal based on an encoded multichannel audio signal
11/14/2007EP1684466B1 Power saving and handling broadcast as unicast traffic in a WLAN
11/14/2007EP1433164B1 Improved frame erasure concealment for predictive speech coding based on extrapolation of speech waveform
11/14/2007CN200976097Y Multifunction digital clock
11/14/2007CN101073272A Method of reducing quantization noise
11/14/2007CN101073109A Methods and arrangements for adaptive thresholds in codec selection
11/14/2007CN101072393A Tandem-free intersystem voice communication
11/14/2007CN101071570A Coupling track coding-decoding processing method, audio coding device and decoding device
11/14/2007CN101071569A Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
11/14/2007CN101071568A Method and system of audio decoder
11/14/2007CN100349395C Speech communication unit and method for error mitigation of speech frames
11/14/2007CN100349208C Speech coder and speech decoder
11/14/2007CN100349207C High frequency coupled pseudo small wave 5-tracks audio encoding/decoding method
11/13/2007US7295985 Music data compression method and program for executing the same
11/13/2007US7295977 Extracting classifying data in music from an audio bitstream
11/13/2007US7295974 Encoding in speech compression
11/13/2007US7295973 Quality control quantization loop and bitrate control quantization loop for quality and rate control for digital audio
11/13/2007US7295972 Method and apparatus for blind source separation using two sensors
11/13/2007US7295971 Accounting for non-monotonicity of quality as a function of quantization in quality and rate control for digital audio
11/13/2007US7295970 Unsupervised speaker segmentation of multi-speaker speech data
11/13/2007US7295969 Digital recording and playback system with voice recognition capability for concurrent text generation
11/13/2007US7295968 Device and method for processing an audio signal
11/13/2007US7295839 System and method for controlling a telephone via a computer system and printed control interface
11/13/2007US7295617 ADPCM decoder
11/13/2007CA2336411C Transcoders for fixed and variable rate data streams
11/08/2007WO2007127182A2 Noise reduction system and method
11/08/2007WO2007126503A2 Industrial process pressure transmitter with field repairable remote seals
11/08/2007WO2007126106A1 Encoding method and encoding device
11/08/2007WO2007126015A1 Audio encoding device, audio decoding device, and their method
11/08/2007WO2007107670A3 Method for post-processing a signal in an audio decoder
11/08/2007WO2007102782A3 Methods and arrangements for audio coding and decoding
11/08/2007WO2007090988A3 Method and device for the hierarchical coding of a source audio signal and corresponding decoding method and device, programs and signal
11/08/2007US20070260453 Phone Enabled Direct Response
11/08/2007US20070258607 Method for representing multi-channel audio signals
11/07/2007EP1853093A1 Enhancing audio with remixing capability
11/07/2007EP1853092A1 Enhancing stereo audio with remix capability
11/07/2007EP1852852A1 Conversion of spectral components for encoding and low-complexity transcoding
11/07/2007EP1852851A1 An enhanced audio encoding/decoding device and method
11/07/2007EP1852850A1 Scalable encoding device and scalable encoding method
11/07/2007EP1852849A1 Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
11/07/2007EP1852848A1 Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream
11/07/2007EP1852689A1 Voice encoding device, and voice encoding method
11/07/2007EP1851997A1 Near-transparent or transparent multi-channel encoder/decoder scheme
11/07/2007EP1851866A1 Adaptive bit allocation for multi-channel audio encoding
11/07/2007EP1851760A2 Sound synthesis
11/07/2007EP1851759A1 Improved filter smoothing in multi-channel audio encoding and/or decoding
11/07/2007EP1735776A4 Coding of audio signals
11/07/2007EP1634276B1 Apparatus and method for embedding a watermark using sub-band filtering
11/07/2007EP1394952B1 Normalisation for turbo decoding
11/07/2007CN200973159Y Prealarm high speed intelligent ball device with directional monitoring function
11/07/2007CN101069233A Data processing method by passage between different sub-band domains
11/07/2007CN101069232A Stereo encoding apparatus, stereo decoding apparatus, and their methods
11/07/2007CN101069231A Method of comfort noise generation for speech communication
11/07/2007CN101069221A Codec-assisted capacity enhancement of wireless VOIP
11/07/2007CN101067931A Efficient configurable frequency domain parameter stereo-sound and multi-sound channel coding and decoding method and system
11/07/2007CN101067929A Method for enhancing and extracting phonetic resonance hump trace utilizing formant
11/07/2007CN100348034C Silence detection