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)
06/2006
06/07/2006EP1667111A1 Apparatus and method for processing multi-channel audio signal using space information
06/07/2006EP1667110A2 System and method for error reconstruction of streaming audio information
06/07/2006EP1667109A1 Method and device of multi-resolution vector quantilization for audio encoding and decoding
06/07/2006EP1665789A1 Methods and apparatus for tamper detection in watermarking systems
06/07/2006EP1665234A1 Information flow transmission method whereby said flow is inserted into a speech data flow, and parametric codec used to implement same
06/07/2006EP1665233A1 Encoding of transient audio signal components
06/07/2006EP1665232A1 Low bit-rate audio encoding
06/07/2006EP1495465B1 Method for modeling speech harmonic magnitudes
06/07/2006EP1236168A4 Coded surface with function flags
06/07/2006EP1052612B1 Watermark applied to one-dimensional data
06/07/2006CN1784717A Apparatus and method for concealing erased periodic signal data
06/07/2006CN1784716A Code conversion method and device
06/07/2006CN1784026A Speech communication system and method based on mobile telephone speech encoding and decoding system
06/07/2006CN1784020A Apparatus, method,and medium for processing audio signal using correlation between bands
06/07/2006CN1783949A Information equipment and portable information device
06/07/2006CN1783891A Mobile phone based on existing mobile phone phonetic encoding and decoding system
06/07/2006CN1783728A Apparatus and method for processing multi-channel audio signal using space information
06/07/2006CN1783299A Digital content playback apparatus
06/07/2006CN1783144A Lossless adaptive Golomb/Rice encoding and decoding of integer data using backward-adaptive rules
06/07/2006CN1258953C Portable audio devices
06/06/2006US7058576 Method of calculating HMM output probability and speech recognition apparatus
06/06/2006US7058574 Signal processing apparatus and mobile radio communication terminal
06/06/2006US7058573 Speech recognition system to selectively utilize different speech recognition techniques over multiple speech recognition passes
06/06/2006US7058571 Audio decoding apparatus and method for band expansion with aliasing suppression
06/06/2006US7058570 Computer-implemented method and apparatus for audio data hiding
06/06/2006US7058569 Fast waveform synchronization for concentration and time-scale modification of speech
06/06/2006US7058568 Voice quality improvement for voip connections on low loss network
06/06/2006US7058388 Method and system for presentation of content from one cellular phone to another through a computer network
06/06/2006US7058078 Communication apparatus and a method of operating a communication apparatus
06/06/2006US7057537 Systems, methods and devices for sampling rate conversion by resampling sample blocks of a signal
06/06/2006CA2320465C A decoding method, speech coding processing unit and a network element
06/06/2006CA2128216C Method and apparatus for encoding, decoding and compression of audio-type data
06/01/2006WO2006056832A2 Packet loss compensation
06/01/2006WO2006056100A1 Coding/decoding method and device utilizing intra-channel signal redundancy
06/01/2006WO2006001970A3 Anti-terrorism communications systems and devices
06/01/2006US20060116969 Memory card
06/01/2006US20060116875 Speech signal decoding method and apparatus using decoded information smoothed to produce reconstructed speech signal of enhanced quality
06/01/2006US20060116874 Noise-dependent postfiltering
06/01/2006US20060116872 Method for flexible bit rate code vector generation and wideband vocoder employing the same
06/01/2006US20060116871 Apparatus, method, and medium for processing audio signal using correlation between bands
06/01/2006US20060115171 Apparatus and method for conversion into a transformed representation or for inverse conversion of the transformed representation
06/01/2006US20060115092 Encoding device and decoding device
06/01/2006US20060114890 Method and apparatus for practicing IP telephony from an internet-capable radio
06/01/2006US20060114315 Mixed media telecommunication call manager
06/01/2006DE29924890U1 Mobile radio telephone operable in communication mode and idle mode
05/2006
05/31/2006EP1662695A1 Transferring copyright protected contents using radio link layer authentication/encryption
05/31/2006EP1662667A1 Floating point signal reversible encoding method, decoding method, device thereof, program, and recording medium thereof
05/31/2006EP1662484A2 Method and apparatus for processing asynchronous audio stream
05/31/2006EP1540645A4 Distributed speech recognition with back-end voice activity detection apparatus and method
05/31/2006EP1532621B1 Controlling loudness of speech in signals that contain speech and other types of audio material
05/31/2006EP1355428B1 Data processing apparatus
05/31/2006EP1306831B1 Digital signal processing method, learning method, apparatuses for them, and program storage medium
05/31/2006EP1292943B1 Audible error detector and controller utilizing channel quality data and iterative synthesis
05/31/2006EP1112625B1 Method for coding an information signal
05/31/2006CN1781338A Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
05/31/2006CN1781253A Floating-point type digital signal reversible encoding method, decoding method, apparatuses therefor, and programs therefor
05/31/2006CN1781141A Improved audio coding systems and methods using spectral component coupling and spectral component regeneration
05/31/2006CN1780337A Free disturbance service realization in telecommunication network
05/31/2006CN1779784A Sound recording method and device
05/31/2006CN1258172C Device and method for encoding and decoding audio signals
05/31/2006CN1258171C Apparatus for reinforcing information source decoder
05/30/2006US7054914 Streaming data from multiple sources according to storage location information
05/30/2006US7054820 Control unit for multipoint multimedia/audio conference
05/30/2006US7054809 Rate selection method for selectable mode vocoder
05/30/2006US7054807 Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters
05/30/2006US7054806 Speech synthesis apparatus using pitch marks, control method therefor, and computer-readable memory
05/30/2006US7054805 Method and system for allocating memory during encoding of a datastream
05/30/2006US7054465 Data hiding method and system for embedding and extracting information in signals
05/30/2006US7054462 Inferring object status based on detected watermark data
05/30/2006US7054454 Fast wavelet estimation of weak bio-signals using novel algorithms for generating multiple additional data frames
05/30/2006US7054453 Fast estimation of weak bio-signals using novel algorithms for generating multiple additional data frames
05/30/2006US7054380 Embedding a first digital information signal into a second digital information signal for transmission via a transmission medium
05/30/2006US7054248 Recording apparatus
05/30/2006CA2372209C Sub-packet insertion for packet loss compensation in voice over ip networks
05/30/2006CA2326879C Signal enhancement for voice coding
05/26/2006WO2006054583A1 Audio signal encoding apparatus and method
05/25/2006US20060111899 System and method for error reconstruction of streaming audio information
05/25/2006US20060111090 Method of enabling telephone control via printed control interface
05/25/2006US20060109984 Methods for audio watermarking and decoding
05/24/2006EP1659574A2 Audio data interpolation apparatus
05/24/2006DE102005020309A1 Signalverarbeitungsverfahren zur Tonsignalkompensation Signal processing method for Tonsignalkompensation
05/24/2006CN1777947A Information processing device and information processing method
05/24/2006CN1776808A Unified rate audio treating method and device
05/24/2006CN1257486C Method and apparatus for sensing relative information kept in audio signals
05/23/2006US7050980 System and method for compressed domain beat detection in audio bitstreams
05/23/2006US7050972 Enhancing the performance of coding systems that use high frequency reconstruction methods
05/23/2006US7050970 Parametric coding of an audio or speech signal
05/23/2006US7050969 Distributed speech recognition with codec parameters
05/23/2006US7050968 Speech signal decoding method and apparatus using decoded information smoothed to produce reconstructed speech signal of enhanced quality
05/23/2006US7050967 Speech coding system
05/23/2006US7050603 Watermark encoded video, and related methods
05/23/2006US7050588 System for processing an information signal
05/19/2006CA2527011A1 Audio encoding/decoding apparatus having watermark insertion/abstraction function and method using the same
05/18/2006WO2006051791A1 Data reproducing method and data processing device
05/18/2006WO2006051451A1 Audio coding and decoding
05/18/2006WO2006051446A2 Method of signal encoding
05/18/2006US20060107183 Error-correction coding method, error-correction decoding method, error-correction coding apparatus, and error-correction decoding apparatus
05/18/2006US20060106600 Method and device for low bit rate speech coding
05/18/2006US20060106599 Precomputation and transmission of time-dependent information for varying or uncertain receipt times
05/18/2006US20060106597 System and method for low bit-rate compression of combined speech and music