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)
05/2012
05/08/2012US8175870 Dual-pulse excited linear prediction for speech coding
05/08/2012US8175869 Method, apparatus, and medium for classifying speech signal and method, apparatus, and medium for encoding speech signal using the same
05/08/2012US8175867 Voice communication apparatus
05/08/2012US8175866 Methods and apparatus for post-processing of speech signals
05/08/2012US8175730 Device and method for analyzing an information signal
05/08/2012US8175729 Preserving matrix surround information in encoded audio/video system and method
05/08/2012US8175727 Portable sound reproducing system and method
05/08/2012US8175325 Method and apparatus for encoding/decoding symbols carrying payload data for watermarking of an audio or video signal
05/08/2012US8175145 Post-processing for reducing quantization noise of an encoder during decoding
05/03/2012WO2012058229A1 Method, apparatus and machine-readable storage medium for decomposing a multichannel audio signal
05/03/2012WO2012055291A1 Method and system for transmitting audio data
05/03/2012WO2012055016A1 Coding generic audio signals at low bitrates and low delay
05/03/2012WO2012002768A3 Method and device for processing audio signal
05/03/2012WO2011157181A3 Codec rate adjustment method, device and media gateway
05/03/2012WO2011045549A8 Optimized parametric stereo decoding
05/03/2012US20120109659 Compensator and Compensation Method for Audio Frame Loss in Modified Discrete Cosine Transform Domain
05/03/2012US20120109646 Speaker adaptation method and apparatus
05/03/2012US20120109644 Information processing device and mobile terminal
05/03/2012US20120109643 Adaptive audio transcoding
05/03/2012CA2815249A1 Coding generic audio signals at low bitrates and low delay
05/02/2012EP2448204A1 Method and device for clipping control
05/02/2012EP2447943A1 Coding method, decoding method, and device and program using the methods
05/02/2012EP2446539A1 Forward time-domain aliasing cancellation with application in weighted or original signal domain
05/02/2012EP2446435A1 Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages
05/02/2012EP1774515B1 Apparatus and method for generating a multi-channel output signal
05/02/2012EP1062732B1 Efficient coding of side information in a lossless encoder
05/02/2012CN102440008A 信号处理装置 Signal processing means
05/02/2012CN102436820A High frequency band signal coding and decoding methods and devices
05/02/2012CN102436819A Wireless audio compression and decompression methods, audio coder and audio decoder
05/02/2012CN102436818A Routing and overdubbing method for server end based on priority of energy
05/02/2012CN102436817A Method and device for frequency compression with harmonic correction
05/02/2012CN102436816A Method and device for decoding voice data
05/02/2012CN102436815A Voice identifying device applied to on-line test system of spoken English
05/02/2012CN102436814A Audio transmission scheme for stereo sound with low code rate
05/02/2012CN102436806A Audio frequency copy detection method based on similarity
05/02/2012CN102074239B Sound speed change method
05/02/2012CN101627423B Synthesis of lost blocks of a digital audio signal, with pitch period correction
05/02/2012CN101606195B Improved ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
05/02/2012CN101322179B Music edit device, music edit information creating method, and recording medium
05/01/2012US8170884 Use of voice-to-remaining audio (VRA) in consumer applications
05/01/2012US8170883 Method and apparatus for embedding spatial information and reproducing embedded signal for an audio signal
05/01/2012US8170882 Multichannel audio coding
05/01/2012US8170878 Method and apparatus for automatically converting voice
05/01/2012US8170871 Signal coding and decoding
05/01/2012US8170700 Portable sound reproducing system and method
05/01/2012CA2728470C Audio management in a dual processor environment
05/01/2012CA2540851C Compatible multi-channel coding/decoding
04/2012
04/26/2012WO2012053798A2 Apparatus and method for determining weighting function having low complexity for linear predictive coding (lpc) coefficients quantization
04/26/2012WO2012053150A1 Audio encoding device and audio decoding device
04/26/2012WO2012053149A1 Speech analyzing device, quantization device, inverse quantization device, and method for same
04/26/2012WO2012053146A1 Encoding device and encoding method
04/26/2012WO2012052802A1 An audio encoder/decoder apparatus
04/26/2012WO2012052676A1 Improved stereo parametric encoding/decoding for channels in phase opposition
04/26/2012WO2012024379A3 Systems, methods, apparatus, and computer-readable media for noise injection
04/26/2012US20120102538 Methods and apparatus for decoding multiple independent audio streams using a single audio decoder
04/26/2012US20120101827 Methods and apparatus to extract data encoded in media content
04/26/2012US20120101825 Method and apparatus for encoding/decoding audio data with scalability
04/26/2012US20120101824 Pitch-based pre-filtering and post-filtering for compression of audio signals
04/26/2012US20120101814 Artifact Reduction in Packet Loss Concealment
04/26/2012US20120101813 Coding Generic Audio Signals at Low Bitrates and Low Delay
04/26/2012CA2814944A1 Apparatus and method for determining weighting function having low complexity for linear predictive coding (lpc) coefficients quantization
04/25/2012EP2445234A2 Image processing apparatus, sound processing method used for image processing apparatus, and sound processing apparatus
04/25/2012EP2443750A2 Context-based arithmetic encoding apparatus and method and context-based arithmetic decoding apparatus and method
04/25/2012EP1763017B1 Sound encoder and sound encoding method
04/25/2012EP1348214B1 Injection high frequency noise into pulse excitation for low bit rate celp
04/25/2012CN1922657B Decoding scheme for variable block length signals
04/25/2012CN1529307B Method and apparatus for detection of tandem encoding
04/25/2012CN102428514A 使用高效下混合的音频解码器和解码方法 Use of efficient mixing of the audio decoder and decoding method
04/25/2012CN102428513A Apparatus And Method For Encoding/Decoding A Multichannel Signal
04/25/2012CN102428512A Down-mixing device, encoder, and method therefor
04/25/2012CN102426838A 语音信号处理方法和用户设备 Speech signal processing method and a user equipment
04/25/2012CN101968963B 音频信号压缩采样系统 Audio signal compression sampling system
04/25/2012CN101887723B 一种对基音周期进行微调的方法和装置 A pitch of the fine-tuning of the method and apparatus
04/25/2012CN101807400B 一种基于擦除编码的自适应语音多播传输方法 Erasure based adaptive speech coding method for multicast transmission
04/25/2012CN101789240B 语音信号处理方法和装置以及通信系统 Speech signal processing method and apparatus and a communication system
04/25/2012CN101770777B 一种线性预测编码频带扩展方法、装置和编解码系统 A linear predictive coding band spreading method, encoding apparatus and decoding system
04/25/2012CN101572093B Method and device for transcoding
04/25/2012CN101436408B 矢量量化方法及矢量量化器 Vector quantization and vector quantization method
04/25/2012CN101325058B 语音编码发送和接收解码的方法及装置 Sending and receiving speech coding method and decoding apparatus
04/25/2012CN101202047B 话音信号编码器和话音信号解码器 Speech coder and speech signal decoder
04/24/2012US8165889 Slot position coding of TTT syntax of spatial audio coding application
04/24/2012US8165888 Reproducing apparatus
04/24/2012US8165882 Method, apparatus and program for speech synthesis
04/24/2012US8165871 Encoding method and apparatus for efficiently encoding sinusoidal signal whose magnitude is less than masking value according to psychoacoustic model and decoding method and apparatus for decoding encoded sinusoidal signal
04/24/2012US8165341 Methods and apparatus to process imagery or audio content
04/24/2012US8165318 Process for adjusting the sound volume of a digital sound recording
04/24/2012US8165128 Method and system for lost packet concealment in high quality audio streaming applications
04/19/2012WO2012050382A2 Method and apparatus for downmixing multi-channel audio signals
04/19/2012WO2012050023A1 Encoding device and method, decoding device and method, and program
04/19/2012WO2012049176A1 Method and device for forming a digital audio mixed signal, method and device for separating signals, and corresponding signal
04/19/2012WO2012048472A1 Signal analyzer, signal analyzing method, signal synthesizer, signal synthesizing method, windower, transformer and inverse transformer
04/19/2012WO2012026741A3 Method and device for processing audio signals
04/19/2012WO2012025431A3 Concealment of intermittent mono reception of fm stereo radio receivers
04/19/2012WO2012011748A3 Method and apparatus for lossless encoding and decoding based on context
04/19/2012US20120095769 Audio decoding method and audio decoder
04/19/2012US20120095760 Apparatus, a method and a computer program for coding
04/19/2012US20120095759 System for improving speech intelligibility through high frequency compression
04/19/2012US20120095758 Audio signal bandwidth extension in celp-based speech coder
04/19/2012US20120095757 Audio signal bandwidth extension in celp-based speech coder
04/19/2012US20120095756 Apparatus and method for determining weighting function having low complexity for linear predictive coding (LPC) coefficients quantization
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