MX2016000858A - Decodificador de audio, codificador de audio, metodo para proporcionar al menos cuatro señales de canales de audio sobre la base de una representacion codificada, metodo para proporcionar una representacion codificada sobre la base de al menos cuatro señales de canales de audio y programa de computadora usando extension de ancho de banda. - Google Patents
Decodificador de audio, codificador de audio, metodo para proporcionar al menos cuatro señales de canales de audio sobre la base de una representacion codificada, metodo para proporcionar una representacion codificada sobre la base de al menos cuatro señales de canales de audio y programa de computadora usando extension de ancho de banda.Info
- Publication number
- MX2016000858A MX2016000858A MX2016000858A MX2016000858A MX2016000858A MX 2016000858 A MX2016000858 A MX 2016000858A MX 2016000858 A MX2016000858 A MX 2016000858A MX 2016000858 A MX2016000858 A MX 2016000858A MX 2016000858 A MX2016000858 A MX 2016000858A
- Authority
- MX
- Mexico
- Prior art keywords
- audio
- signal
- channel
- basis
- bandwidth
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un decodificador de audio para proporcionar al menos cuatro señales del canal de ancho de banda extendido sobre la base de una representación codificada se configura para proporcionar una primera señal de mezcla descendente y una segunda señal de mezcla descendente sobre la base de una representación codificada conjuntamente de la primera señal de mezcla descendente y la segunda señal de mezcla descendente usando una decodificación multicanal. El decodificador de audio se configura para proporcionar al menos una primera señal del canal de audio y una segunda señal del canal de audio sobre la base de la primera señal de mezcla descendente usando una decodificación multicanal. El decodificador de audio se configura para proporcionar al menos una tercera señal de canal de audio y una cuarta señal de canal de audio sobre la base de la segunda señal de mezcla descendente usando una decodificación multicanal. El decodificador de audio se configura para llevar a cabo una extensión de ancho de banda multicanal sobre la base de la primera señal del canal de audio y la tercera señal del canal de audio, para obtener una primera señal del canal de ancho de banda extendido y una tercera señal del canal de ancho de banda extendido El decodificador de audio se configura para llevar a cabo una extensión de ancho de banda multicanal sobre la base de la segunda señal del canal de audio y la cuarta señal del canal de audio, para obtener una segunda señal del canal de ancho de banda extendido y una cuarta señal del canal de ancho de banda extendido. Un codificador de audio usa un concepto relacionado.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13177376 | 2013-07-22 | ||
EP13189306.7A EP2830052A1 (en) | 2013-07-22 | 2013-10-18 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
PCT/EP2014/065021 WO2015010934A1 (en) | 2013-07-22 | 2014-07-14 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
Publications (2)
Publication Number | Publication Date |
---|---|
MX2016000858A true MX2016000858A (es) | 2016-05-05 |
MX357826B MX357826B (es) | 2018-07-25 |
Family
ID=48874137
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016000939A MX357667B (es) | 2013-07-22 | 2014-07-11 | Codificador de audio, decodificador de audio, metodos y programa de computacion usando señales residuales codificadas conjuntamente. |
MX2016000858A MX357826B (es) | 2013-07-22 | 2014-07-14 | Decodificador de audio, codificador de audio, metodo para proporcionar al menos cuatro señales de canales de audio sobre la base de una representacion codificada, metodo para proporcionar una representacion codificada sobre la base de al menos cuatro señales de canales de audio y programa de computadora usando extension de ancho de banda. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2016000939A MX357667B (es) | 2013-07-22 | 2014-07-11 | Codificador de audio, decodificador de audio, metodos y programa de computacion usando señales residuales codificadas conjuntamente. |
Country Status (19)
Country | Link |
---|---|
US (8) | US9953656B2 (es) |
EP (4) | EP2830051A3 (es) |
JP (2) | JP6346278B2 (es) |
KR (2) | KR101823278B1 (es) |
CN (5) | CN111105805A (es) |
AR (2) | AR097012A1 (es) |
AU (2) | AU2014295360B2 (es) |
BR (1) | BR112016001137B1 (es) |
CA (2) | CA2917770C (es) |
ES (2) | ES2650544T3 (es) |
MX (2) | MX357667B (es) |
MY (1) | MY181944A (es) |
PL (2) | PL3022735T3 (es) |
PT (2) | PT3022735T (es) |
RU (2) | RU2677580C2 (es) |
SG (1) | SG11201600468SA (es) |
TW (2) | TWI550598B (es) |
WO (2) | WO2015010926A1 (es) |
ZA (2) | ZA201601078B (es) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
CA2978075A1 (en) * | 2015-02-27 | 2016-09-01 | Auro Technologies Nv | Encoding and decoding digital data sets |
EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
CN114005454A (zh) | 2015-06-17 | 2022-02-01 | 三星电子株式会社 | 实现低复杂度格式转换的内部声道处理方法和装置 |
CN107731238B (zh) | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
US10431231B2 (en) | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
WO2019143867A1 (en) | 2018-01-18 | 2019-07-25 | Dolby Laboratories Licensing Corporation | Methods and devices for coding soundfield representation signals |
CN111955020B (zh) | 2018-04-11 | 2022-08-23 | 杜比国际公司 | 用于音频渲染的预渲染信号的方法、设备和系统 |
CN114708874A (zh) | 2018-05-31 | 2022-07-05 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
CN110556116B (zh) * | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
CN115132214A (zh) | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
KR20210076145A (ko) | 2018-11-02 | 2021-06-23 | 돌비 인터네셔널 에이비 | 오디오 인코더 및 오디오 디코더 |
US10985951B2 (en) | 2019-03-15 | 2021-04-20 | The Research Foundation for the State University | Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers |
CN112020724A (zh) * | 2019-04-01 | 2020-12-01 | 谷歌有限责任公司 | 学习可压缩的特征 |
US20200402522A1 (en) * | 2019-06-24 | 2020-12-24 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
CN110534120B (zh) * | 2019-08-31 | 2021-10-01 | 深圳市友恺通信技术有限公司 | 一种移动网络环境下的环绕声误码修复方法 |
MX2023002255A (es) * | 2020-09-03 | 2023-05-16 | Sony Group Corp | Dispositivo y método de procesamiento de señales, dispositivo y método de aprendizaje y programa. |
Family Cites Families (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3528260B2 (ja) * | 1993-10-26 | 2004-05-17 | ソニー株式会社 | 符号化装置及び方法、並びに復号化装置及び方法 |
US5488665A (en) | 1993-11-23 | 1996-01-30 | At&T Corp. | Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels |
US5970152A (en) | 1996-04-30 | 1999-10-19 | Srs Labs, Inc. | Audio enhancement system for use in a surround sound environment |
SE522553C2 (sv) | 2001-04-23 | 2004-02-17 | Ericsson Telefon Ab L M | Bandbreddsutsträckning av akustiska signaler |
ES2271654T3 (es) * | 2002-08-07 | 2007-04-16 | Dolby Laboratories Licensing Corporation | Conversion espacial de canales de audio. |
US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
BR122018007834B1 (pt) | 2003-10-30 | 2019-03-19 | Koninklijke Philips Electronics N.V. | Codificador e decodificador de áudio avançado de estéreo paramétrico combinado e de replicação de banda espectral, método de codificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, sinal de áudio avançado codificado de estéreo paramétrico combinado e de replicação de banda espectral, método de decodificação avançada de áudio de estéreo paramétrico combinado e de replicação de banda espectral, e, meio de armazenamento legível por computador |
US7394903B2 (en) | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
SE0400997D0 (sv) | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Efficient coding of multi-channel audio |
US20080275709A1 (en) * | 2004-06-22 | 2008-11-06 | Koninklijke Philips Electronics, N.V. | Audio Encoding and Decoding |
ATE442644T1 (de) | 2004-08-26 | 2009-09-15 | Panasonic Corp | Mehrkanalige signal-dekodierung |
SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
US7573912B2 (en) | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
US7840411B2 (en) * | 2005-03-30 | 2010-11-23 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
KR100818268B1 (ko) * | 2005-04-14 | 2008-04-02 | 삼성전자주식회사 | 오디오 데이터 부호화 및 복호화 장치와 방법 |
US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
EP1876585B1 (en) * | 2005-04-28 | 2010-06-16 | Panasonic Corporation | Audio encoding device and audio encoding method |
TWI462086B (zh) * | 2005-09-14 | 2014-11-21 | Lg Electronics Inc | 音頻訊號之解碼方法及其裝置 |
KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
TWI469133B (zh) * | 2006-01-19 | 2015-01-11 | Lg Electronics Inc | 媒體訊號處理方法及裝置 |
US7953604B2 (en) | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
JP2007207328A (ja) | 2006-01-31 | 2007-08-16 | Toshiba Corp | 情報記憶媒体、プログラム、情報再生方法、情報再生装置、データ転送方法、及びデータ処理方法 |
JP4875142B2 (ja) * | 2006-03-28 | 2012-02-15 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル・サラウンドサウンドのためのデコーダのための方法及び装置 |
US20080004883A1 (en) * | 2006-06-30 | 2008-01-03 | Nokia Corporation | Scalable audio coding |
DE102006047197B3 (de) | 2006-07-31 | 2008-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten |
EP2328364B1 (en) * | 2006-10-13 | 2020-07-01 | Auro Technologies NV | A method and encoder for combining digital data sets, a decoding method and decoder for such combined digital data sets and a record carrier for storing such combined digital data set |
CN101071570B (zh) * | 2007-06-21 | 2011-02-16 | 北京中星微电子有限公司 | 耦合声道的编、解码处理方法、音频编码装置及解码装置 |
KR101450940B1 (ko) | 2007-09-19 | 2014-10-15 | 텔레폰악티에볼라겟엘엠에릭슨(펍) | 멀티채널 오디오의 조인트 인핸스먼트 |
WO2009049896A1 (en) * | 2007-10-17 | 2009-04-23 | Fraunhofer-Fesellschaft Zur Förderung Der Angewandten Forschung E.V. | Audio coding using upmix |
WO2009054665A1 (en) * | 2007-10-22 | 2009-04-30 | Electronics And Telecommunications Research Institute | Multi-object audio encoding and decoding method and apparatus thereof |
BRPI0820488A2 (pt) * | 2007-11-21 | 2017-05-23 | Lg Electronics Inc | método e equipamento para processar um sinal |
WO2009078681A1 (en) * | 2007-12-18 | 2009-06-25 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
US20090164223A1 (en) * | 2007-12-19 | 2009-06-25 | Dts, Inc. | Lossless multi-channel audio codec |
KR20100095586A (ko) | 2008-01-01 | 2010-08-31 | 엘지전자 주식회사 | 신호 처리 방법 및 장치 |
EP2259254B1 (en) * | 2008-03-04 | 2014-04-30 | LG Electronics Inc. | Method and apparatus for processing an audio signal |
US8811621B2 (en) | 2008-05-23 | 2014-08-19 | Koninklijke Philips N.V. | Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
EP2144229A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
CA2820199C (en) | 2008-07-31 | 2017-02-28 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Signal generation for binaural signals |
EP2345027B1 (en) * | 2008-10-10 | 2018-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Energy-conserving multi-channel audio coding and decoding |
WO2010064877A2 (en) * | 2008-12-05 | 2010-06-10 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
US8332229B2 (en) * | 2008-12-30 | 2012-12-11 | Stmicroelectronics Asia Pacific Pte. Ltd. | Low complexity MPEG encoding for surround sound recordings |
EP2214161A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
EP2214162A1 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
CA2754671C (en) * | 2009-03-17 | 2017-01-10 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
WO2010115850A1 (en) | 2009-04-08 | 2010-10-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
CN101582262B (zh) * | 2009-06-16 | 2011-12-28 | 武汉大学 | 一种空间音频参数帧间预测编解码方法 |
SG177277A1 (en) | 2009-06-24 | 2012-02-28 | Fraunhofer Ges Forschung | Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages |
CN101989425B (zh) | 2009-07-30 | 2012-05-23 | 华为终端有限公司 | 多描述音频编解码的方法、装置及系统 |
KR101569702B1 (ko) * | 2009-08-17 | 2015-11-17 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
JP2011066868A (ja) * | 2009-08-18 | 2011-03-31 | Victor Co Of Japan Ltd | オーディオ信号符号化方法、符号化装置、復号化方法及び復号化装置 |
KR101613975B1 (ko) * | 2009-08-18 | 2016-05-02 | 삼성전자주식회사 | 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치 |
KR101391110B1 (ko) | 2009-09-29 | 2014-04-30 | 돌비 인터네셔널 에이비 | 오디오 신호 디코더, 오디오 신호 인코더, 업믹스 신호 표현을 제공하는 방법, 다운믹스 신호 표현을 제공하는 방법, 공통 객체 간의 상관 파라미터 값을 이용한 컴퓨터 프로그램 및 비트스트림 |
CN101695150B (zh) * | 2009-10-12 | 2011-11-30 | 清华大学 | 多声道音频编码方法、编码器、解码方法和解码器 |
KR101710113B1 (ko) | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법 |
UA101291C2 (ru) * | 2009-12-16 | 2013-03-11 | Долби Интернешнл Аб | Сводка параметров последовательности бит sbr |
KR101437896B1 (ko) * | 2010-04-09 | 2014-09-16 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
EP2375409A1 (en) * | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
AU2011240239B2 (en) | 2010-04-13 | 2014-06-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction |
EP3144932B1 (en) | 2010-08-25 | 2018-11-07 | Fraunhofer Gesellschaft zur Förderung der Angewand | An apparatus for encoding an audio signal having a plurality of channels |
KR101697550B1 (ko) * | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
GB2485979A (en) * | 2010-11-26 | 2012-06-06 | Univ Surrey | Spatial audio coding |
EP2647005B1 (en) | 2010-12-03 | 2017-08-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for geometry-based spatial audio coding |
EP2477188A1 (en) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of slot positions of events in an audio signal frame |
CN102610231B (zh) * | 2011-01-24 | 2013-10-09 | 华为技术有限公司 | 一种带宽扩展方法及装置 |
SG192745A1 (en) | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Noise generation in audio codecs |
MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
EP2710588B1 (en) * | 2011-05-19 | 2015-09-09 | Dolby Laboratories Licensing Corporation | Forensic detection of parametric audio coding schemes |
US9070361B2 (en) * | 2011-06-10 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for encoding a wideband speech signal utilizing downmixing of a highband component |
MY176406A (en) | 2012-08-10 | 2020-08-06 | Fraunhofer Ges Forschung | Encoder, decoder, system and method employing a residual concept for parametric audio object coding |
WO2014118136A1 (en) | 2013-01-29 | 2014-08-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm |
US9679571B2 (en) | 2013-04-10 | 2017-06-13 | Electronics And Telecommunications Research Institute | Encoder and encoding method for multi-channel signal, and decoder and decoding method for multi-channel signal |
WO2014168439A1 (ko) * | 2013-04-10 | 2014-10-16 | 한국전자통신연구원 | 다채널 신호를 위한 인코더 및 인코딩 방법, 다채널 신호를 위한 디코더 및 디코딩 방법 |
EP2830335A3 (en) | 2013-07-22 | 2015-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, and computer program for mapping first and second input channels to at least one output channel |
EP2830053A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
EP2830065A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
EP2838086A1 (en) | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
EP2830049A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient object metadata coding |
EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
EP2928216A1 (en) | 2014-03-26 | 2015-10-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for screen related audio object remapping |
-
2013
- 2013-10-18 EP EP13189305.9A patent/EP2830051A3/en not_active Withdrawn
- 2013-10-18 EP EP13189306.7A patent/EP2830052A1/en not_active Withdrawn
-
2014
- 2014-07-11 CA CA2917770A patent/CA2917770C/en active Active
- 2014-07-11 RU RU2016105702A patent/RU2677580C2/ru active
- 2014-07-11 KR KR1020167004625A patent/KR101823278B1/ko active IP Right Grant
- 2014-07-11 JP JP2016528404A patent/JP6346278B2/ja active Active
- 2014-07-11 AU AU2014295360A patent/AU2014295360B2/en active Active
- 2014-07-11 ES ES14739141.1T patent/ES2650544T3/es active Active
- 2014-07-11 WO PCT/EP2014/064915 patent/WO2015010926A1/en active Application Filing
- 2014-07-11 CN CN201911231996.6A patent/CN111105805A/zh active Pending
- 2014-07-11 SG SG11201600468SA patent/SG11201600468SA/en unknown
- 2014-07-11 EP EP14739141.1A patent/EP3022735B1/en active Active
- 2014-07-11 PL PL14739141T patent/PL3022735T3/pl unknown
- 2014-07-11 PT PT147391411T patent/PT3022735T/pt unknown
- 2014-07-11 MX MX2016000939A patent/MX357667B/es active IP Right Grant
- 2014-07-11 CN CN201480041694.1A patent/CN105593931B/zh active Active
- 2014-07-11 CN CN201911231963.1A patent/CN111128206A/zh active Pending
- 2014-07-14 WO PCT/EP2014/065021 patent/WO2015010934A1/en active Application Filing
- 2014-07-14 ES ES14738535.5T patent/ES2649194T3/es active Active
- 2014-07-14 KR KR1020167004626A patent/KR101823279B1/ko active IP Right Grant
- 2014-07-14 AU AU2014295282A patent/AU2014295282B2/en active Active
- 2014-07-14 CN CN201480041693.7A patent/CN105580073B/zh active Active
- 2014-07-14 EP EP14738535.5A patent/EP3022734B1/en active Active
- 2014-07-14 MY MYPI2016000096A patent/MY181944A/en unknown
- 2014-07-14 PT PT147385355T patent/PT3022734T/pt unknown
- 2014-07-14 PL PL14738535T patent/PL3022734T3/pl unknown
- 2014-07-14 CA CA2918237A patent/CA2918237C/en active Active
- 2014-07-14 CN CN201911131913.6A patent/CN111128205A/zh active Pending
- 2014-07-14 RU RU2016105703A patent/RU2666230C2/ru active
- 2014-07-14 JP JP2016528408A patent/JP6117997B2/ja active Active
- 2014-07-14 MX MX2016000858A patent/MX357826B/es active IP Right Grant
- 2014-07-14 BR BR112016001137-6A patent/BR112016001137B1/pt active IP Right Grant
- 2014-07-21 TW TW103124923A patent/TWI550598B/zh active
- 2014-07-21 TW TW103124925A patent/TWI544479B/zh active
- 2014-07-22 AR ARP140102716A patent/AR097012A1/es active IP Right Grant
- 2014-07-22 AR ARP140102715A patent/AR097011A1/es active IP Right Grant
-
2016
- 2016-01-22 US US15/004,661 patent/US9953656B2/en active Active
- 2016-01-22 US US15/004,617 patent/US10147431B2/en active Active
- 2016-02-17 ZA ZA2016/01078A patent/ZA201601078B/en unknown
- 2016-02-17 ZA ZA2016/01080A patent/ZA201601080B/en unknown
- 2016-05-27 US US15/167,072 patent/US9940938B2/en active Active
-
2018
- 2018-04-09 US US15/948,342 patent/US10741188B2/en active Active
- 2018-12-04 US US16/209,008 patent/US10770080B2/en active Active
-
2020
- 2020-08-11 US US16/990,566 patent/US11657826B2/en active Active
- 2020-09-03 US US17/011,584 patent/US11488610B2/en active Active
-
2023
- 2023-05-22 US US18/200,190 patent/US20240029744A1/en active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX357826B (es) | Decodificador de audio, codificador de audio, metodo para proporcionar al menos cuatro señales de canales de audio sobre la base de una representacion codificada, metodo para proporcionar una representacion codificada sobre la base de al menos cuatro señales de canales de audio y programa de computadora usando extension de ancho de banda. | |
MX2018009140A (es) | Decodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando un ajuste en base a señales residuales de una contribución de una señal decorrelacionada. | |
MY176779A (en) | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder | |
EP3605847A4 (en) | MULTI-CHANNEL SIGNAL CODING AND DECODING METHOD AND CODEC | |
AR080866A1 (es) | Codificador de audio o video, decodificador de audio o video y metodos re-lacionados para procesar senales de audio o video multicanal usando una direccion de prediccion variable | |
EP2752845A3 (en) | Methods for encoding and decoding multi-channel audio signal | |
MY195412A (en) | Multi-Channel Audio Decoder, Multi-Channel Audio Encoder, Methods, Computer Program and Encoded Audio Representation Using a Decorrelation of Rendered Audio Signals | |
EP3132443A4 (en) | Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates | |
UA113117C2 (xx) | Звукові кодувальний пристрій і декодувальний пристрій | |
EP4339944A3 (en) | Methods and devices for joint multichannel coding | |
AU2017310760B2 (en) | Method for encoding multi-channel signal and encoder | |
MX350690B (es) | Método y descodificador para un concepto paramétrico de codificación de objeto de audio espacial generalizado para casos de mezcla descendente/mezcla ascendente de multicanal. | |
MY176406A (en) | Encoder, decoder, system and method employing a residual concept for parametric audio object coding | |
MX351687B (es) | Método y descodificador para codificación de objeto de audio especial de multi-instancias que emplea un concepto paramétrico para casos de mezcla descendente/mezcla ascendente de multicanal. | |
EP3740950B8 (en) | Methods and devices for coding soundfield representation signals | |
EP3588497A4 (en) | MULTICHANNEL SIGNAL CODING AND DECODING METHOD AND CODEC | |
MX364405B (es) | Mezcla parametrica de senales de audio. | |
EP3023984A4 (en) | Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal | |
TH171428A (th) | ตัวเข้ารหัสสัญญาณเสียง ตัวถอดรหัสสัญญาณเสียง วิธีการและโปรแกรมคอมพิวเตอร์ซึ่งใช้สัญญาณตกค้างที่ได้รับ การเข้ารหัสอย่างร่วมกัน | |
EP3800637A4 (en) | CODING AND DECODING PROCESS FOR A STEREO AUDIO SIGNAL, ENCODING DEVICE AND DECODING DEVICE | |
TH170345A (th) | ตัวเข้ารหัสและตัวถอดรหัสเสียงออดิโอ | |
TH1601002991B (th) | ตัวถอดรหัส ตัวเข้ารหัสและวิธีการสำหรับการประมวณค่าความดังที่ได้รับการแจ้งให้ทราบในระบบ การลงรหัสสัญญาณเสียงที่มีพื้นฐานของวัตถุ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration |