| 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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| 11/13/2013 | CN203288239U Multi-channel audio transmission system |
| 11/13/2013 | CN103392203A Device and method for quantizing the gains of the adaptive and fixed contributions of the excitation in a celp codec |
| 11/13/2013 | CN102610229B Method, apparatus and device for audio dynamic range compression |
| 11/13/2013 | CN102522090B Method and device for sending information code and acquiring information code by audio frequency signal |
| 11/13/2013 | CN102291205B High-reliability data transmission method and device based on multi-frequency sound waves |
| 11/13/2013 | CN102270452B Near-transparent or transparent multi-channel encoder/decoder scheme |
| 11/13/2013 | CN101918999B Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| 11/13/2013 | CN101802907B Joint enhancement of multi-channel audio |
| 11/13/2013 | CN101606193B Audio encoding and decoding apparatus and method |
| 11/12/2013 | USRE44600 Encoding device and decoding device |
| 11/12/2013 | US8583427 Voice and data exchange over a packet based network with voice detection |
| 11/12/2013 | US8583426 Speech enhancement with voice clarity |
| 11/12/2013 | US8583424 Spatial synthesis of multichannel audio signals |
| 11/12/2013 | US8583423 Method and arrangement for processing of speech quality estimate |
| 11/07/2013 | US20130297322 Error concealment method and apparatus for audio signal and decoding method and apparatus for audio signal using the same |
| 11/07/2013 | US20130297300 Automatic determination of stability and validity of Speech Transmission Index measurements |
| 11/07/2013 | US20130297298 Source separation using independent component analysis with mixed multi-variate probability density function |
| 11/07/2013 | US20130297296 Source separation by independent component analysis in conjunction with source direction information |
| 11/07/2013 | US20130294607 Broadcast transmitting apparatus and broadcast transmitting method for providing an object-based audio, and broadcast playback apparatus and broadcast playback method |
| 11/07/2013 | US20130294606 Advanced encoding of music files |
| 11/06/2013 | EP2660812A1 Bandwidth expansion method and apparatus |
| 11/06/2013 | EP2660811A1 Encoding method, decoding method, encoding apparatus, decoding apparatus, program and recording medium |
| 11/06/2013 | CN103384901A Improved filtering in the transformed domain |
| 11/06/2013 | CN103384900A Low-delay sound-encoding alternating between predictive encoding and transform encoding |
| 11/06/2013 | CN103383846A Speech coding system to improve packet loss repairing quality |
| 11/06/2013 | CN102682777B Acquiring method and acquiring device of attenuation factors |
| 11/06/2013 | CN102473414B Bandwidth extension encoder, bandwidth extension decoder and phase vocoder |
| 11/06/2013 | CN102449691B Parcor coefficient quantization method, parcor coefficient quantization device, program and storage medium |
| 11/06/2013 | CN102428513B Apparatus and method for encoding/decoding a multichannel signal |
| 11/06/2013 | CN102138176B Signal analyzing device, signal control device, and method therefor |
| 11/06/2013 | CN101820474B 通信系统 Communication System |
| 11/06/2013 | CN101540171B Audio signal encoding or decoding |
| 11/06/2013 | CN101377925B Self-adaptation adjusting method for improving apperceive quality of g.711 |
| 11/06/2013 | CN101131817B Method and apparatus for robust speech classification |
| 11/05/2013 | US8577687 Hierarchical coding of digital audio signals |
| 11/05/2013 | US8577686 Method and apparatus for decoding an audio signal |
| 11/05/2013 | US8577672 Audible errors detection and prevention for speech decoding, audible errors concealing |
| 11/05/2013 | US8577482 Device and method for generating an ambience signal |
| 11/05/2013 | US8577045 Apparatus and method for encoding a multi-channel audio signal |
| 11/05/2013 | US8577038 Method and device for generating pseudorandom number, and method and device for encryption using pseudorandom number |
| 11/05/2013 | US8576927 Encoding method, encoding device, decoding method, decoding device, program, and recording medium |
| 11/05/2013 | US8576740 Adaptive, scalable packet loss recovery |
| 10/31/2013 | WO2013162679A1 Audio encoding and decoding with conditional quantizers |
| 10/31/2013 | WO2013161592A1 Audio decoding device, audio coding device, audio decoding method, audio coding method, audio decoding program, and audio coding program |
| 10/31/2013 | WO2013160729A1 Backwards compatible audio representation |
| 10/31/2013 | US20130290003 Method and apparatus for encoding and decoding high frequency for bandwidth extension |
| 10/31/2013 | US20130289981 Low-delay sound-encoding alternating between predictive encoding and transform encoding |
| 10/31/2013 | US20130287229 Method, system and apparatus for processing audio signals |
| 10/30/2013 | EP2657933A1 Apparatus and method for encoding/decoding for high-frequency bandwidth extension |
| 10/30/2013 | EP2656344A1 Improved filtering in the transformed domain |
| 10/30/2013 | EP2656343A1 Low-delay sound-encoding alternating between predictive encoding and transform encoding |
| 10/30/2013 | EP2656342A1 Improved stereo parametric encoding/decoding for channels in phase opposition |
| 10/30/2013 | CN103380455A Efficient encoding/decoding of audio signals |
| 10/30/2013 | CN103377655A Apparatus and method with enhancement of sound quality |
| 10/30/2013 | CN103377654A Speech encryption method and device, speech decryption method and device |
| 10/30/2013 | CN103377653A Method and device for searching algebraic code table in speech coding, and speech coding method |
| 10/30/2013 | CN103377234A Method and system for adding watermark into multimedia data |
| 10/30/2013 | CN102610234B Method for selectively mapping signal complexity and code rate |
| 10/30/2013 | CN102436817B Method and device for frequency compression with harmonic correction |
| 10/30/2013 | CN102356427B 噪声抑制装置 Noise suppression apparatus |
| 10/30/2013 | CN102034478B Voice secret communication system design method based on compressive sensing and information hiding |
| 10/30/2013 | CN101919164B Coding method, decoding method, device using methods, program, and recording medium |
| 10/30/2013 | CN101765879B Device and method for noise shaping in multilayer embedded codec interoperable with ITU-T G.711 standard |
| 10/30/2013 | CN101636951B Device and method for generating signal for transmission or decoded signal |
| 10/29/2013 | US8571879 Sound reproducing device adding audio data to decoded sound using processor selected based on trade-offs |
| 10/29/2013 | US8571878 Speech compression and decompression apparatuses and methods providing scalable bandwidth structure |
| 10/29/2013 | US8571877 Apparatus for providing an upmix signal representation on the basis of the downmix signal representation, apparatus for providing a bitstream representing a multi-channel audio signal, methods, computer programs and bitstream representing a multi-channel audio signal using a linear combination parameter |
| 10/29/2013 | US8571875 Method, medium, and apparatus encoding and/or decoding multichannel audio signals |
| 10/29/2013 | US8571856 Limitation of distortion introduced by a post-processing step during digital signal decoding |
| 10/29/2013 | US8571854 Detector for use in voice communications systems |
| 10/29/2013 | US8571853 Method and system for laughter detection |
| 10/29/2013 | US8571852 Postfilter for layered codecs |
| 10/29/2013 | US8571112 Specification method and apparatus for coding and decoding |
| 10/29/2013 | US8571039 Encoding and decoding speech signals |
| 10/24/2013 | WO2013158804A1 Systems and methods for implementing efficient cross-fading between compressed audio streams |
| 10/24/2013 | WO2013156814A1 Stereo audio signal encoder |
| 10/24/2013 | WO2013079663A3 Apparatus and method for merging geometry-based spatial audio coding streams |
| 10/24/2013 | US20130282389 Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream |
| 10/24/2013 | US20130282387 Filtering in the transformed domain |
| 10/24/2013 | US20130282386 Multi-channel encoding and/or decoding |
| 10/24/2013 | US20130282385 NICAM Decoder with Output Resampler |
| 10/24/2013 | US20130282384 Apparatus and Method for Encoding a Multi-Channel Audio Signal |
| 10/24/2013 | US20130282383 Audio Encoder and Decoder |
| 10/24/2013 | US20130282382 Audio Encoder and Decoder |
| 10/24/2013 | US20130282368 Apparatus and method for encoding/decoding for high frequency bandwidth extension |
| 10/24/2013 | US20130282366 Jitter buffer enhanced joint source channel decoding |
| 10/24/2013 | US20130279702 Device and method for postprocessing a decoded multi-channel audio signal or a decoded stereo signal |
| 10/23/2013 | EP2654039A1 Audio decoding method and device |
| 10/23/2013 | EP2652736A1 Encoder and method for predictively encoding, decoder and method for decoding, system and method for predictively encoding and decoding and predictively encoded information signal |
| 10/23/2013 | EP2652735A1 Improved encoding of an improvement stage in a hierarchical encoder |
| 10/23/2013 | CN103370880A Encoding method, decoding method, encoding apparatus, decoding apparatus, program and recording medium |
| 10/23/2013 | CN103370740A Improved encoding of an improvement stage in a hierarchical encoder |
| 10/23/2013 | CN103366755A Method and apparatus for encoding and decoding audio signal |
| 10/23/2013 | CN103366754A Multirate speech coding method of dispatching station of broadband multimedia trunking system |
| 10/23/2013 | CN103366753A Moving picture experts group audio layer-3 (MP3) audio double-compression detection method under same code rate |
| 10/23/2013 | CN103366752A Method and apparatus for generating a candidate code-vector to code an informational signal |
| 10/23/2013 | CN103366751A Sound coding and decoding apparatus and sound coding and decoding method |
| 10/23/2013 | CN103366750A Sound coding and decoding apparatus and sound coding and decoding method |
| 10/23/2013 | CN103366749A Sound coding and decoding apparatus and sound coding and decoding method |
| 10/23/2013 | CN103366748A Stereo coding method and device |