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)
11/2006
11/22/2006EP1723638A1 Adaptive hybrid transformation for signal analysis and synthesis
11/22/2006EP1224663B1 A predictive speech coder using coding scheme selection patterns to reduce sensitivity to frame errors
11/22/2006EP0895672B1 Communication network for transmitting speech signals
11/22/2006CN1868151A Receiving apparatus and method
11/22/2006CN1868150A Receiving apparatus and method
11/22/2006CN1867970A 信号编码 Signal coding
11/22/2006CN1867969A Audio encoding
11/22/2006CN1867968A Systems and methods for sound compression
11/22/2006CN1867967A Rate-distortion control scheme in audio encoding
11/22/2006CN1867087A Realization method and system for improving voice quality in wireless communication network
11/22/2006CN1866393A 数字音频播放器及其播放方法 Digital audio player and playing method
11/22/2006CN1866355A Audio coding apparatus and audio decoding apparatus
11/22/2006CN1866354A Sound quality detection method
11/22/2006CN1286106C Audio-frequency signal coding method, decoding device and transmission method
11/22/2006CN1286087C Audio decoding apparatus and audio decoding method
11/22/2006CN1286086C Method and apparatus for estimating background noise in voice frame of voice signal
11/22/2006CN1286024C Recording device, recording method, storage medium, program and communication device
11/21/2006US7140043 Watermark embedding and detecting method by quantization of a characteristic value of a signal
11/21/2006US7140037 Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing method
11/21/2006US7139705 Determination of the time relation between speech signals affected by time warping
11/21/2006US7139702 Encoding device and decoding device
11/21/2006US7139701 Method for detecting and attenuating inhalation noise in a communication system
11/21/2006US7139700 Hybrid speech coding and system
11/21/2006US7139408 Transform domain watermarking of image signals
11/21/2006US7139393 Environmental noise level estimation apparatus, a communication apparatus, a data terminal apparatus, and a method of estimating an environmental noise level
11/21/2006US7137627 Device and method for continuously shuffling and monitoring cards
11/21/2006US7137626 Packet loss recovery
11/16/2006WO2006121101A1 Audio encoding apparatus and spectrum modifying method
11/16/2006WO2006120931A1 Encoder, decoder, and their methods
11/16/2006US20060259298 Audio coding device, audio coding method, audio decoding device, and audio decoding method
11/16/2006US20060259297 Method and system for decoding GSM speech data using redundancy
11/16/2006US20060259296 Method and apparatus for generating encoded speech signals
11/16/2006US20060259168 Audio file format conversion
11/16/2006US20060258346 Method for communication device control using coded marks
11/16/2006US20060257001 Methods and apparatus for tamper detection in watermarking systems
11/16/2006US20060256971 Method for deciding time boundary for encoding spectrum envelope and frequency resolution
11/15/2006EP1722359A1 Error conceal device and error conceal method
11/15/2006EP1721489A1 Frequency-based coding of audio channels in parametric multi-channel coding systems
11/15/2006EP1721312A1 Multichannel audio coding
11/15/2006EP1604527B1 Device and method for embedding a binary piece of user data in a carrier signal
11/15/2006EP1405169B1 Information processing apparatus and method, and program product
11/15/2006EP1393315B1 Generation and detection of a watermark robust against resampling of a signal
11/15/2006CN1864436A Compatible multi-channel coding/decoding
11/15/2006CN1864158A Device and method for processing at least two input values
11/15/2006CN1863164A Method for controlling reverse congestion of ABIS interface and transceiver base station
11/15/2006CN1863161A Method for processing service
11/15/2006CN1863145A Method for correcting service quality in interworking WLAN
11/15/2006CN1862969A Adaptive block length, constant converting audio frequency decoding method
11/15/2006CN1862661A Nonnegative matrix decomposition method for speech signal characteristic waveform
11/15/2006CN1862660A Apparatus and method for measuring energy
11/15/2006CN1862659A Lossless encoding and decoding system
11/15/2006CN1861027A Electrostimulation coding method for n degree marking method for Chinese language tone of electronic cochlea
11/15/2006CN1861026A Electronic cochlea language processing method having S parameter control and based-on Chinese language characteristics
11/15/2006CN1861025A Language processing device for artificial cochlea
11/15/2006CN1285020C Display card for increasing video play smooth degree
11/14/2006US7136812 Variable rate speech coding
11/14/2006US7136811 Low bandwidth speech communication using default and personal phoneme tables
11/14/2006US7136810 Wideband speech coding system and method
11/14/2006US7136712 Digital acoustic reproducing apparatus, acoustic apparatus and acoustic reproducing system
11/14/2006US7136502 Printing media and methods employing digital watermarking
11/14/2006US7136492 Visual or audio playback of an audiogram
11/14/2006US7136491 Audio signal processing apparatus
11/14/2006US7136420 Recording of super-audio or like one-bit-per-sample signals on a PCM recorder
11/14/2006US7136418 Scalable and perceptually ranked signal coding and decoding
11/14/2006US7136078 Connection device capable of mixing an RGB graphics signal and a YUV video signal and related method
11/09/2006WO2006118695A1 Method and system for operating audio encoders in parallel
11/09/2006WO2006118179A1 Audio encoding device and audio encoding method
11/09/2006WO2006118178A1 Audio encoding device and audio encoding method
11/09/2006WO2006117453A1 Method for attenuation of the pre- and post-echoes of a digital audio signal and corresponding device
11/09/2006WO2006117272A1 Process and communication device for transmitting useful data in a packet-oriented communications network
11/09/2006WO2006117264A1 Process for transmitting useful data in a packet-oriented communications network
11/09/2006WO2006085243A3 Sound synthesis
11/09/2006WO2006050112A9 Audio spatial environment engine
11/09/2006US20060253627 Recording/reproducing apparatus
11/09/2006US20060253280 Speech derived from text in computer presentation applications
11/09/2006US20060253279 Method and apparatus of wireless audio playback system
11/09/2006US20060253277 Device and method for paramertizable controlling
11/09/2006US20060253276 Method and apparatus for coding audio signal
11/09/2006US20060253211 Recording apparatus, reproducing apparatus, and recording and/or reproducing apparatus
11/09/2006US20060251291 Methods for inserting and detecting watermarks in digital data
11/09/2006DE102005020461A1 Verfahren zur Übertragung von Nutzdaten in einem paketorientierten Kommunikationsnetzwerk Method for transmitting useful data in a packet-oriented communication network
11/08/2006EP1720154A1 Communication device, signal encoding/decoding method
11/08/2006EP1719120A1 Coding model selection
11/08/2006EP1719119A1 Classification of audio signals
11/08/2006EP1719118A1 Decoding scheme for variable block length signals
11/08/2006EP1719117A1 A transcoder and method of transcoding therefore
11/08/2006EP1719116A1 Methods and devices for low-frequency emphasis during audio compression based on acelp/tcx
11/08/2006EP1719115A1 Parametric multi-channel coding with improved backwards compatibility
11/08/2006CN1860527A Device and method for processing a signal with a sequence of discrete values
11/08/2006CN1860526A Encoding audio signals
11/08/2006CN1858998A No multiplication realizing method for digital audio frequency filter
11/08/2006CN1284171C Audio signal codingmethod, decoding device, and transmission method
11/08/2006CN1284138C Self-adaptive frame selection line spectrum frequency parameter quantization method
11/08/2006CN1284137C Super frame track parameter vector quantizing method
11/08/2006CN1284136C A superframe audio track parameter smoothing and extract vector quantification method
11/08/2006CN1284135C Method and equipment for embedding and detecting watermark in information signal
11/08/2006CN1284134C 一种语音识别系统 A speech recognition system
11/07/2006US7133854 Method and circuits for encoding an input pattern using a normalizer and a classifier
11/07/2006US7133832 Recording and reproducing apparatus for use with optical recording medium having real-time, losslessly encoded data
11/07/2006US7133824 Noise reduction method