| 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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| 06/05/2012 | US8195730 Apparatus and method for conversion into a transformed representation or for inverse conversion of the transformed representation |
| 06/05/2012 | US8195472 High quality time-scaling and pitch-scaling of audio signals |
| 06/05/2012 | US8195471 Sampling rate conversion apparatus, coding apparatus, decoding apparatus and methods thereof |
| 06/05/2012 | US8195470 Audio data packet format and decoding method thereof and method for correcting mobile communication terminal codec setup error and mobile communication terminal performance same |
| 06/05/2012 | US8195469 Device, method, and program for encoding/decoding of speech with function of encoding silent period |
| 06/05/2012 | US8195463 Method for the selection of synthesis units |
| 06/05/2012 | US8195452 High-quality encoding at low-bit rates |
| 06/05/2012 | US8195451 Apparatus and method for detecting speech and music portions of an audio signal |
| 06/05/2012 | US8195449 Low-complexity, non-intrusive speech quality assessment |
| 06/05/2012 | US8195416 Fundamental wave beat component detecting method and measuring target signal sampling apparatus and waveform observation system using the same |
| 06/05/2012 | US8195317 Data reproduction apparatus and data reproduction method |
| 06/05/2012 | US8194862 Video game system with mixing of independent pre-encoded digital audio bitstreams |
| 06/05/2012 | US8194861 Scheme for generating a parametric representation for low-bit rate applications |
| 06/05/2012 | US8194803 Method and apparatus for regaining watermark data that were embedded in an original signal by modifying sections of said original signal in relation to at least two different reference data sequences |
| 05/31/2012 | WO2012070866A2 Speech signal encoding method and speech signal decoding method |
| 05/31/2012 | WO2012070370A1 Audio encoding device, method and program, and audio decoding device, method and program |
| 05/31/2012 | WO2012070340A1 Concealment signal generating device, concealment signal generation method and concealment signal generation program |
| 05/31/2012 | WO2012069886A1 Coding of strings |
| 05/31/2012 | WO2012069885A1 Low complexity target vector identification |
| 05/31/2012 | US20120137189 Error concealment for sub-band coded audio signals |
| 05/31/2012 | US20120136670 Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus |
| 05/31/2012 | US20120136669 Transcoding method, apparatus, device and system |
| 05/31/2012 | US20120136657 Audio coding device, method, and computer-readable recording medium storing program |
| 05/31/2012 | US20120136654 Apparatus And Method For Cancelling Echo In Joint Time Domain And Frequency Domain |
| 05/31/2012 | US20120136653 Transform coder and transform coding method |
| 05/31/2012 | US20120134511 Multichannel audio coder and decoder |
| 05/31/2012 | US20120134481 Retrieval of Deleted Voice Messages in Voice Messaging System |
| 05/30/2012 | EP2458588A2 Method and apparatus for encoding and decoding audio signals |
| 05/30/2012 | EP2458585A1 Error concealment for sub-band coded audio signals |
| 05/30/2012 | EP2457233A1 Method, computer, computer program and computer program product for speech quality estimation |
| 05/30/2012 | EP2126905B1 Methods and devices for audio signals encoding and decoding, encoded audio signal |
| 05/30/2012 | CN202261800U Voice short message positioning and alarm transmitting and receiving device |
| 05/30/2012 | CN1761308B Digital media data encoding and decoding method |
| 05/30/2012 | CN102483943A Multi-channel audio decoding method and apparatus therefor |
| 05/30/2012 | CN102483925A 数字音频信号处理系统 Digital audio signal processing system |
| 05/30/2012 | CN102483924A Audio Signal Encoding Employing Interchannel And Temporal Redundancy Reduction |
| 05/30/2012 | CN102483923A 音频编码中基于频带信号能量的频带比例因子确定 Audio coding scale factor band to determine band-based signal energy |
| 05/30/2012 | CN102483922A Apparatus for encoding and decoding an audio signal using a weighted linear predictive transform, and method for same |
| 05/30/2012 | CN102483921A Method and apparatus for encoding multi-channel audio signal and method and apparatus for decoding multi-channel audio signal |
| 05/30/2012 | CN102483920A Voice reproduction device and voice reproduction method |
| 05/30/2012 | CN102480672A 音效处理装置、多音源音效应用系统以及方法 Audio processing unit, multi-source audio application system and method |
| 05/30/2012 | CN102479514A 一种编码方法、解码方法、装置和系统 An encoding method, decoding method, apparatus and system for |
| 05/30/2012 | CN102479513A Error concealment for sub-band coded audio signals |
| 05/30/2012 | CN102157147B Test method for objectively evaluating voice quality of pickup system |
| 05/30/2012 | CN102044249B Method suitable for controlling consistency of sound volume of file broadcasting system |
| 05/30/2012 | CN101944362B Integer wavelet transform-based audio lossless compression encoding and decoding method |
| 05/30/2012 | CN101930740B Multichannel audio signal decoding using de-correlated signals |
| 05/30/2012 | CN101911184B Recording/reproduction device |
| 05/30/2012 | CN101887724B Decoding method for encoding power spectral envelope |
| 05/30/2012 | CN101868822B Rounding noise shaping for integer transform based encoding and decoding |
| 05/30/2012 | CN101853661B Noise spectrum estimation and voice mobility detection method based on unsupervised learning |
| 05/30/2012 | CN101853659B Bandwidth extension apparatus and a method therefor, program and telephone terminal |
| 05/30/2012 | CN101809657B Method and device for noise filling |
| 05/30/2012 | CN101790757B Improved transform coding of speech and audio signals |
| 05/30/2012 | CN101779462B 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 |
| 05/30/2012 | CN101622668B Methods and arrangements in a telecommunications network |
| 05/30/2012 | CN101594123B Method for establishing equivalent parallel filter, voice transmission method, device and system |
| 05/30/2012 | CN101553866B A method and an apparatus for processing an audio signal |
| 05/30/2012 | CN101552009B Quantitative method and apparatus in MP3 coding |
| 05/30/2012 | CN101485094B Method and system for multi-channel audio encoding and decoding with backward compatibility based on maximum entropy rule |
| 05/30/2012 | CN101454829B Method and apparatus to search fixed codebook and method and appratus to encode/decode a speech signal using the method and apparatus to search fixed codebook |
| 05/30/2012 | CN101356571B Temporal and spatial shaping of multi-channel audio signals |
| 05/30/2012 | CN101283253B Method and apparatus for signal processing and encoding and decoding method, and apparatus thereof |
| 05/30/2012 | CN101243488B Apparatus for encoding and decoding audio signal and method thereof |
| 05/30/2012 | CN101236745B Method, apparatus, and medium for bandwidth extension encoding and decoding |
| 05/30/2012 | CN101185120B Systems, methods, and apparatus for highband burst suppression |
| 05/30/2012 | CN101124740B Multi-channel audio encoding and decoding method and device, audio transmission system |
| 05/30/2012 | CN101076852B Information processing device, information processing method, transmission device, transmission method, multiplexing device, multiplexing method |
| 05/29/2012 | US8190440 Sub-band codec with native voice activity detection |
| 05/29/2012 | US8190429 Providing a codebook for bandwidth extension of an acoustic signal |
| 05/29/2012 | US8190428 Method for speech coding, method for speech decoding and their apparatuses |
| 05/29/2012 | US8190427 Compander which uses adaptive pre-emphasis filtering on the basis of linear prediction |
| 05/29/2012 | US8190426 Spectral refinement system |
| 05/29/2012 | US8190425 Complex cross-correlation parameters for multi-channel audio |
| 05/29/2012 | CA2644626C Method and system for allowing a media player to transfer digital audio to an accessory |
| 05/24/2012 | WO2012067662A1 Method for digital watermark use by a mobile station |
| 05/24/2012 | WO2012066727A1 Stereo signal encoding device, stereo signal decoding device, stereo signal encoding method, and stereo signal decoding method |
| 05/24/2012 | WO2012066183A1 Converting multi-microphone captured signals to shifted signals useful for binaural signal processing and use thereof |
| 05/24/2012 | US20120130722 Multiple description audio coding and decoding method, apparatus, and system |
| 05/24/2012 | US20120130721 Digital media universal elementary stream |
| 05/24/2012 | US20120130709 System and method for building and evaluating automatic speech recognition via an application programmer interface |
| 05/24/2012 | US20120128177 Circular Frequency Translation with Noise Blending |
| 05/24/2012 | US20120128162 Mixed lossless audio compression |
| 05/23/2012 | EP2456236A1 Constrained filter encoding of polyphonic signals |
| 05/23/2012 | EP2261895B1 A generating method and device of background noise excitation signal |
| 05/23/2012 | EP2041745B1 Adaptive encoding and decoding methods and apparatuses |
| 05/23/2012 | CN1938760B Multi-channel encoder |
| 05/23/2012 | CN102473417A Band enhancement method, band enhancement apparatus, program, integrated circuit and audio decoder apparatus |
| 05/23/2012 | CN102473415A Audio control device, audio control program, and audio control method |
| 05/23/2012 | CN102473414A 带宽扩展编码器、带宽扩展解码器和相位声码器 A bandwidth extension encoder, the bandwidth extension decoder and the phase vocoder |
| 05/23/2012 | CN102467910A Encoding apparatus, encoding method, and program |
| 05/23/2012 | CN102467909A 网络混音方法 Network mixing method |
| 05/23/2012 | CN102063906B AAC audio real-time decoding fault-tolerant control method |
| 05/23/2012 | CN101989425B Method, device and system for multiple description voice frequency coding and decoding |
| 05/23/2012 | CN101968771B Memory optimization method for realizing advanced audio coding algorithm on digital signal processor (DSP) |
| 05/23/2012 | CN101950249B Input method and device for code characters of silent voice notes |
| 05/23/2012 | CN101930738B Multi-track audio signal decoding method and device |
| 05/23/2012 | CN101908341B Voice code optimization method based on G.729 algorithm applicable to embedded system |
| 05/23/2012 | CN101853663B Bit allocation method, encoding device and decoding device |
| 05/23/2012 | CN101847411B MIDI (Musical Instrument Digital Interface) audio hidden information analysis method and device |