| 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) |
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| 12/07/2011 | CN101253554B 解码音频信号的方法和装置 Method and apparatus for decoding an audio signal |
| 12/07/2011 | CN101243496B 处理音频信号的装置和方法 An audio signal processing apparatus and method of |
| 12/07/2011 | CN101231843B 声音再生装置和声音再生方法 Sound reproducing apparatus and method for sound reproduction |
| 12/07/2011 | CN101223821B 音频解码器 The audio decoder |
| 12/07/2011 | CN101031962B 局部复合调制的滤波器组 Partial complex modulation filter bank |
| 12/06/2011 | US8074285 Copy protection method for digital data stored on a medium |
| 12/06/2011 | US8073933 Audio processing |
| 12/06/2011 | US8073703 Acoustic signal processing apparatus and acoustic signal processing method |
| 12/06/2011 | US8073702 Apparatus for encoding and decoding audio signal and method thereof |
| 12/06/2011 | US8073688 Voice processing apparatus and program |
| 12/06/2011 | US8073687 Audio regeneration method |
| 12/06/2011 | US8073686 Apparatus, method and computer program product for feature extraction |
| 12/06/2011 | US8073685 Audio signal encoding or decoding |
| 12/06/2011 | US8073684 Apparatus and method for automatic classification/identification of similar compressed audio files |
| 12/06/2011 | US8073144 Stereo balance interpolation |
| 12/06/2011 | US8072892 Generating test sets |
| 12/06/2011 | CA2564981C Watermark incorporation |
| 12/01/2011 | WO2011148230A1 A bandwidth extender |
| 12/01/2011 | WO2011147950A1 Low-delay unified speech and audio codec |
| 12/01/2011 | WO2011087332A3 Method and apparatus for processing an audio signal |
| 12/01/2011 | US20110295608 Methods for improving high frequency reconstruction |
| 12/01/2011 | US20110295600 Apparatus and method determining weighting function for linear prediction coding coefficients quantization |
| 12/01/2011 | US20110295599 Aligning Scheme for Audio Signals |
| 12/01/2011 | US20110295598 Systems, methods, apparatus, and computer program products for wideband speech coding |
| 12/01/2011 | US20110295596 Digital voice recording device with marking function and method thereof |
| 12/01/2011 | US20110292173 Transmission apparatus, transmission method, reception apparatus, reception method, and transmission/reception system |
| 12/01/2011 | CA2800208A1 A bandwidth extender |
| 11/30/2011 | EP2391146A2 Lossless encoding and decoding methods and apparatus for multichannel signals |
| 11/30/2011 | EP2391030A1 Methods and apparatus for recording reproducing, transmitting and/or receiving compressed data and recording medium therefor |
| 11/30/2011 | EP2304720B1 Noise filler, noise filling parameter calculator, method for providing a noise filling parameter, method for providing a noise-filled spectral representation of an audio signal, corresponding computer program and encoded audio signal |
| 11/30/2011 | EP2186087B1 Improved transform coding of speech and audio signals |
| 11/30/2011 | EP1905000B1 Selectively using multiple entropy models in adaptive coding and decoding |
| 11/30/2011 | CN1551588B 处理音频信号的装置和方法 An audio signal processing apparatus and method of |
| 11/30/2011 | CN102265337A 用于在多信道音频代码化系统内生成增强层的方法和装置 Method and apparatus for generating an enhancement layer within the multi-channel audio coding system is used |
| 11/30/2011 | CN102265336A 自适应差分脉冲编码调制编码设备和解码设备 Adaptive Differential Pulse Code Modulation coding apparatus and decoding apparatus |
| 11/30/2011 | CN102263576A 无线信息传输方法及实现设备 Wireless information transmission method and realization equipment |
| 11/30/2011 | CN102262881A 基于avs有损音频的无损编解码扩展方法 Avs lossy based lossless audio codec extension methods |
| 11/30/2011 | CN102262880A 一种音频提取装置和方法 An audio extraction apparatus and method |
| 11/30/2011 | CN101710489B 可分级音频编码、解码的方法和装置以及编解码系统 Method and apparatus for scalable audio coding, decoding and coding system |
| 11/30/2011 | CN101673547B 编码方法、解码方法及其装置 Encoding method, decoding method and apparatus |
| 11/30/2011 | CN101408615B 双耳时间差itd临界感知特性的测量方法及其装置 Binaural time difference itd critical perceptual characteristics of the measurement method and device |
| 11/30/2011 | CN101361113B 丢包后的约束和受控解码 Constraints and controlled loss after decoding |
| 11/30/2011 | CN101330507B 窄带自适应多速率编解码协商的实现方法 Implementation of narrowband adaptive multi-rate codec negotiation |
| 11/30/2011 | CN101308659B 一种基于先进音频编码器的心理声学模型的处理方法 Treatment psychoacoustic model based Advanced Audio Encoder |
| 11/30/2011 | CN101131820B 编码设备、解码设备、编码方法和解码方法 Encoding apparatus, decoding apparatus, encoding method and decoding method |
| 11/29/2011 | US8069052 Quantization and inverse quantization for audio |
| 11/29/2011 | US8069051 Zero-gap playback using predictive mixing |
| 11/29/2011 | US8069050 Multi-channel audio encoding and decoding |
| 11/29/2011 | US8069049 Speech coding system and method |
| 11/29/2011 | US8069048 Scalable audio encoding and decoding apparatus, method, and medium |
| 11/29/2011 | US8069040 Systems, methods, and apparatus for quantization of spectral envelope representation |
| 11/29/2011 | US8069038 System for bandwidth extension of narrow-band speech |
| 11/29/2011 | US8069037 System and method for frequency domain audio speed up or slow down, while maintaining pitch |
| 11/29/2011 | US8069036 Method and apparatus for processing audio for playback |
| 11/29/2011 | US8069035 Scalable encoding apparatus, scalable decoding apparatus, and methods of them |
| 11/29/2011 | US8069034 Method and apparatus for encoding an audio signal using multiple coders with plural selection models |
| 11/29/2011 | US8068926 Method for generating concealment frames in communication system |
| 11/29/2011 | US8068792 In-band signaling for data communications over digital wireless telecommunications networks |
| 11/29/2011 | US8068679 Audio and video signal processing |
| 11/24/2011 | WO2011146002A1 Method and arrangement for processing of speech quality estimate |
| 11/24/2011 | WO2011144863A1 Encoding with noise shaping in a hierarchical encoder |
| 11/24/2011 | WO2010086461A8 Improved harmonic transposition |
| 11/24/2011 | US20110288873 Audio encoder and bandwidth extension decoder |
| 11/24/2011 | US20110288872 Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same |
| 11/24/2011 | US20110288857 Distributed Speech Recognition Using One Way Communication |
| 11/24/2011 | US20110286605 Noise suppressor |
| 11/24/2011 | US20110286549 Method, Device And System For Signal Encoding And Decoding |
| 11/23/2011 | EP2388779A1 Method for estimating speech quality |
| 11/23/2011 | EP2387764A1 A method and system embedding a non-detectable fingerprint in a digital media file |
| 11/23/2011 | EP2070083B1 System and method for providing redundancy management |
| 11/23/2011 | EP2057626B1 Encoding an audio signal |
| 11/23/2011 | EP1791116B1 Scalable voice encoding apparatus, scalable voice decoding apparatus, scalable voice encoding method, scalable voice decoding method, communication terminal apparatus, and base station apparatus |
| 11/23/2011 | EP1667447B1 Data conversion system |
| 11/23/2011 | CN202050421U End-to-end encrypted speech processing device |
| 11/23/2011 | CN1839657B Methods and apparatus to extract codes from a plurality of channels |
| 11/23/2011 | CN102257567A Sound signal processing apparatus, sound encoding apparatus and sound decoding apparatus |
| 11/23/2011 | CN102257565A Method and means for the scalable improvement of the quality of a signal encoding method |
| 11/23/2011 | CN102257564A Audio encoding apparatus, decoding apparatus, method, circuit and program |
| 11/23/2011 | CN102257563A Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| 11/23/2011 | CN102257562A Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters |
| 11/23/2011 | CN102256213A Communication method and terminal of global open trunking architecture communication system |
| 11/23/2011 | CN102255731A Intelligent key device based on wired earphone interface |
| 11/23/2011 | CN102255672A Remote underwater acoustic voice communication system and communication method thereof |
| 11/23/2011 | CN102254562A Method for coding variable speed audio frequency switching between adjacent high/low speed coding modes |
| 11/23/2011 | CN102254561A Spatial cue based audio information steganalysis method |
| 11/23/2011 | CN102254560A Audio processing method in mobile digital television recording |
| 11/23/2011 | CN101478619B Method, system and node device for implementing multi-path voice mixing |
| 11/23/2011 | CN101432610B Method and apparatus for lossless encoding of a source signal using a lossy encoded data stream and a lossless extension data stream |
| 11/23/2011 | CN101345054B Digital watermark production and recognition method used for audio document |
| 11/23/2011 | CN101322182B Systems, methods, and apparatus for detection of tonal components |
| 11/23/2011 | CN101248483B Generation of multi-channel audio signals |
| 11/23/2011 | CN101228577B Automatic speech recognition channel normalization method and system |
| 11/22/2011 | US8065158 Apparatus and method of processing an audio signal |
| 11/22/2011 | US8065141 Apparatus and method for processing signal, recording medium, and program |
| 11/22/2011 | US8065140 Method and system for determining predominant fundamental frequency |
| 11/22/2011 | US8065139 Method of audio encoding |
| 11/22/2011 | US8065138 Speech processing method and apparatus, storage medium, and speech system |
| 11/22/2011 | US8065137 Apparatus and method for identifying signal frames as audio signal frames |
| 11/22/2011 | US8065136 Multi-channel encoder |
| 11/22/2011 | US8065026 Vehicle computer system with audio entertainment system |