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)
06/2014
06/19/2014US20140172422 Secured audio channel for voice communication
06/18/2014EP2743922A1 Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
06/18/2014EP2743921A1 Decoding device and method, encoding device and method, and program
06/18/2014EP2743917A1 Information system, information reproduction device, information generation method, and recording medium
06/18/2014CN103871423A Audio frequency separation method based on NMF non-negative matrix factorization
06/18/2014CN103871421A Self-adaptive denoising method and system based on sub-band noise analysis
06/18/2014CN103871415A Method for realizing inter-system voice communication, system and TFO conversion device
06/18/2014CN103871414A Time scaling method and apparatus of multichannel voice signals
06/18/2014CN103871405A AMR audio authenticating method
06/18/2014CN103870234A Sound mixing method and device
06/18/2014CN103098128B Pulse location search device, codebook search device, and methods therefor
06/18/2014CN102498515B A method and an apparatus for processing an audio signal
06/18/2014CN102270453B Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
06/18/2014CN102148035B Encoding and decoding of audio signals using complex-valued filter banks
06/18/2014CN101981618B Reduced-complexity vector indexing and de-indexing
06/17/2014USRE44955 Method and device for packaging audio samples of a non-PCM encoded audio bitstream into a sequence of frames
06/17/2014USRE44954 Audio transmission, recording and reproducing system
06/17/2014US8756068 Speech decoder, speech encoder, speech decoding method, speech encoding method, storage medium for storing speech decoding program, and storage medium for storing speech encoding program
06/17/2014US8756067 Computationally efficient audio coder
06/17/2014US8756066 Methods and apparatuses for encoding and decoding object-based audio signals
06/17/2014US8756056 Apparatus and method for determining a quantizer step size
06/17/2014US8756054 Method for trained discrimination and attenuation of echoes of a digital signal in a decoder and corresponding device
06/17/2014US8755671 Reproducing apparatus and reproducing method
06/12/2014WO2014086155A1 Signal decoding method and device
06/12/2014US20140164002 Joint decoding apparatus and method, necessity judging method and apparatus, and receiver
06/12/2014US20140164001 Method for Inter-Channel Difference Estimation and Spatial Audio Coding Device
06/12/2014US20140164000 Device and method for generating and decoding a side channel signal transmitted with a main channel signal
06/12/2014US20140163999 Method of encoding and decoding audio signal and apparatus for encoding and decoding audio signal
06/12/2014US20140163998 Processing in the encoded domain of an audio signal encoded by adpcm coding
06/12/2014US20140163973 Speech Coding by Quantizing with Random-Noise Signal
06/12/2014US20140163972 Speech encoding/decoding device
06/12/2014US20140163968 Phrase-Based Dialogue Modeling with Particular Application to creating Recognition Grammars for Voice-Controlled User Interfaces
06/12/2014US20140162612 Method of recording call logs and device thereof
06/12/2014US20140161420 System and method for embedding supplementary data into digital media files
06/12/2014US20140161285 Method and an apparatus for processing an audio signal
06/12/2014US20140161283 Reconstructing an Audio Signal By Spectral Component Regeneration and Noise Blending
06/12/2014US20140161262 Fm stereo radio receiver by using parametric stereo
06/12/2014US20140161261 Method and an apparatus for processing an audio signal
06/11/2014EP2741288A2 Systems, methods, and apparatus for wideband encoding and decoding of active frames
06/11/2014EP2741287A1 Apparatus and method for encoding audio signal, system and method for transmitting audio signal, and apparatus for decoding audio signal
06/11/2014EP2741286A1 Decoding device and method, encoding device and method, and program
06/11/2014EP2741285A1 Decoding device and method, encoding device and method, and program
06/11/2014EP2741284A1 Decoding device and method, encoding device and method, and program
06/11/2014EP2740222A1 Improved fm stereo radio receiver by using parametric stereo
06/11/2014CN103858356A Prediction-based fm stereo radio noise reduction
06/11/2014CN103858160A Mechanism for dynamic signaling of encoder capabilities
06/11/2014CN103856900A Acoustical signal processing method in cluster communication and device thereof
06/11/2014CN103854662A Self-adaptation voice detection method based on multi-domain joint estimation
06/11/2014CN103854656A Apparatus and method for encoding audio signal, system and method for transmitting audio signal, and apparatus for decoding audio signal
06/11/2014CN103854655A Low-bit-rate voice coder and decoder
06/11/2014CN103854654A Sound compression method applied to interactive teaching system
06/11/2014CN103854653A Signal decoding method and device
06/11/2014CN103854652A Robust blind audio frequency watermarking algorithm based on SVD (Singular Value Decomposition) and ANN (Artificial Neural Network)
06/11/2014CN103854651A Sbr bitstream parameter downmix
06/11/2014CN103854650A Stereo audio coding method and device
06/11/2014CN103854649A Frame loss compensation method and frame loss compensation device for transform domain
06/11/2014CN102959619B Bit allocation device, method, program and recording medium thereof
06/11/2014CN102890934B Multi-channel duplex vocoder and multi-channel duplex vocoder system
06/11/2014CN102576535B Method and system for determining a perceived quality of an audio system
06/11/2014CN101030373B System and method for stereo perceptual audio coding using adaptive masking threshold
06/10/2014US8751246 Audio encoder and decoder for encoding frames of sampled audio signals
06/10/2014US8751245 Audio signal encoding method, audio signal decoding method, encoding device, decoding device, audio signal processing system, audio signal encoding program, and audio signal decoding program
06/10/2014US8751244 Apparatus and method for low complexity combinatorial coding and decoding of signals
06/10/2014US8751225 Apparatus and method for coding signal in a communication system
06/10/2014US8751219 Method and related device for simplifying psychoacoustic analysis with spectral flatness characteristic values
06/10/2014US8751024 Method and apparatus for generation and playback of object based audio contents
06/10/2014US8750801 Selective transcoding of encoded media files
06/10/2014US8750374 Coding and decoding of source signals using constrained relative entropy quantization
06/10/2014CA2657412C Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
06/05/2014US20140156289 Decoding device, decoding method, encoding device, encoding method, and program
06/05/2014US20140156288 Apparatus and method for synchronizing multichannel extension data with an audio signal and for processing the audio signal
06/05/2014US20140156287 Bitstream syntax for multi-process audio decoding
06/05/2014US20140156286 Apparatus and method of encoding and decoding signals
06/05/2014US20140156285 Method and apparatus for quantisation index modulation for watermarking an input signal
06/05/2014US20140156284 Audio-encoding method and apparatus, audio-decoding method and apparatus, recoding medium thereof, and multimedia device employing same
06/05/2014US20140156267 Packet Loss Concealment for Speech Coding
06/04/2014EP2737479A2 Adaptive voice intelligibility processor
06/04/2014EP2737478A1 Method and apparatus for audio coding and decoding
06/04/2014EP2737477A2 Audio signal processing method and audio signal processing apparatus therefor
06/04/2014CN103843061A Audio signal processing method and audio signal processing apparatus therefor
06/04/2014CN102915735B Noise-containing speech signal reconstruction method and noise-containing speech signal device based on compressed sensing
06/04/2014CN102737636B Audio coding method and device thereof
06/04/2014CN101685436B Computation apparatus and method, quantization apparatus and method
06/03/2014US8744863 Multi-mode audio encoder and audio decoder with spectral shaping in a linear prediction mode and in a frequency-domain mode
06/03/2014US8744862 Window selection based on transient detection and location to provide variable time resolution in processing frame-based data
06/03/2014US8744843 Multi-mode audio codec and CELP coding adapted therefore
06/03/2014US8744841 Adaptive time and/or frequency-based encoding mode determination apparatus and method of determining encoding mode of the apparatus
06/03/2014CA2605423C Method and system for operating audio encoders in parallel
05/2014
05/30/2014WO2014081548A1 System, computer-readable storage medium and method for repair of compressed audio signals
05/30/2014WO2014020182A3 Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases
05/29/2014US20140149127 Generation of a modified digital media file based on an encoding of a digital media file with a decodable data such that the decodable data is indistinguishable through a human ear from a primary audio stream
05/29/2014US20140149126 System for perceived enhancement and restoration of compressed audio signals
05/29/2014US20140149124 Apparatus, medium and method to encode and decode high frequency signal
05/29/2014US20140149123 Method and Device for Storing Audio Data
05/29/2014US20140149120 System and method for fingerprinting datasets
05/29/2014US20140149111 Speech enhancement apparatus and speech enhancement method
05/28/2014CN103827965A 自适应语音可理解性处理器 Adaptive speech intelligibility processor
05/28/2014CN103827964A 编解码系统、解码装置、编码装置以及编解码方法 Encoding and decoding system, the decoding apparatus, the coding apparatus and method for encoding and decoding
05/28/2014CN103824561A 一种语音线性预测编码模型的缺失值非线性估算方法 A missing values ​​linear predictive coding model non-linear estimation method voice
05/28/2014CN102737639B 一种语音信息安全通信方法 A voice communication method in the information security
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