BR122022015747B1 - Decodificador e codificador de áudio de múltiplos canais, método para fornecer pelo menos dois sinais de áudio de saída com base em uma representação codificada e método para fornecer uma representação codificada de um sinal de áudio de múltiplos canais - Google Patents

Decodificador e codificador de áudio de múltiplos canais, método para fornecer pelo menos dois sinais de áudio de saída com base em uma representação codificada e método para fornecer uma representação codificada de um sinal de áudio de múltiplos canais Download PDF

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BR122022015747B1
BR122022015747B1 BR122022015747-5A BR122022015747A BR122022015747B1 BR 122022015747 B1 BR122022015747 B1 BR 122022015747B1 BR 122022015747 A BR122022015747 A BR 122022015747A BR 122022015747 B1 BR122022015747 B1 BR 122022015747B1
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signal
channel audio
residual
residual signal
channel
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BR122022015747A8 (pt
BR122022015747A2 (https=
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Sascha DICK
Christian Helmrich
Johannes Hilpert
Andreas Holzer
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Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
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    • 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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BR122022015747-5A 2013-07-22 2014-07-17 Decodificador e codificador de áudio de múltiplos canais, método para fornecer pelo menos dois sinais de áudio de saída com base em uma representação codificada e método para fornecer uma representação codificada de um sinal de áudio de múltiplos canais BR122022015747B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13177375.6 2013-07-22
EP13177375 2013-07-22
EP13189309.1A EP2830053A1 (en) 2013-07-22 2013-10-18 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
EP13189309.1 2013-10-18
PCT/EP2014/065416 WO2015011020A1 (en) 2013-07-22 2014-07-17 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

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BR122022015747A2 BR122022015747A2 (https=) 2017-07-25
BR122022015747A8 BR122022015747A8 (pt) 2022-11-29
BR122022015747B1 true BR122022015747B1 (pt) 2023-03-14

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BR122022015729-7A BR122022015729B1 (pt) 2013-07-22 2014-07-17 Decodificador de áudio de múltiplos canais e método para fornecer pelo menos dois sinais de áudio de saída com base em uma representação codificada
BR112016001248-8A BR112016001248B1 (pt) 2013-07-22 2014-07-17 Decodificador de áudio de múltiplos canais e método para fornecer pelo menos dois sinais de áudio de saída com base em uma representação codificada

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BR112016001248-8A BR112016001248B1 (pt) 2013-07-22 2014-07-17 Decodificador de áudio de múltiplos canais e método para fornecer pelo menos dois sinais de áudio de saída com base em uma representação codificada

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US (4) US10839812B2 (https=)
EP (5) EP2830053A1 (https=)
JP (5) JP6253776B2 (https=)
KR (2) KR101803212B1 (https=)
CN (2) CN110895944A (https=)
AR (1) AR097013A1 (https=)
AU (3) AU2014295212B2 (https=)
BR (3) BR122022015747B1 (https=)
CA (2) CA2974271C (https=)
ES (3) ES2701812T3 (https=)
MX (3) MX361809B (https=)
MY (2) MY192214A (https=)
PL (3) PL3660844T3 (https=)
PT (2) PT3025331T (https=)
RU (1) RU2676233C2 (https=)
SG (3) SG11201600403VA (https=)
TW (1) TWI566234B (https=)
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Families Citing this family (32)

* Cited by examiner, † Cited by third party
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
US9794716B2 (en) * 2013-10-03 2017-10-17 Dolby Laboratories Licensing Corporation Adaptive diffuse signal generation in an upmixer
JP6479786B2 (ja) * 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
KR20160101692A (ko) 2015-02-17 2016-08-25 한국전자통신연구원 다채널 신호 처리 방법 및 상기 방법을 수행하는 다채널 신호 처리 장치
FR3045915A1 (fr) * 2015-12-16 2017-06-23 Orange Traitement de reduction de canaux adaptatif pour le codage d'un signal audio multicanal
CA3258743A1 (en) 2017-07-28 2025-10-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
CN117133297A (zh) 2017-08-10 2023-11-28 华为技术有限公司 时域立体声参数的编码方法和相关产品
CN109389985B (zh) 2017-08-10 2021-09-14 华为技术有限公司 时域立体声编解码方法和相关产品
US10535357B2 (en) * 2017-10-05 2020-01-14 Qualcomm Incorporated Encoding or decoding of audio signals
US10580420B2 (en) * 2017-10-05 2020-03-03 Qualcomm Incorporated Encoding or decoding of audio signals
US10839814B2 (en) * 2017-10-05 2020-11-17 Qualcomm Incorporated Encoding or decoding of audio signals
CN110060696B (zh) * 2018-01-19 2021-06-15 腾讯科技（深圳）有限公司 混音方法及装置、终端及可读存储介质
TWI895201B (zh) 2018-01-26 2025-08-21 瑞典商都比國際公司 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體
US10586546B2 (en) 2018-04-26 2020-03-10 Qualcomm Incorporated Inversely enumerated pyramid vector quantizers for efficient rate adaptation in audio coding
US10573331B2 (en) * 2018-05-01 2020-02-25 Qualcomm Incorporated Cooperative pyramid vector quantizers for scalable audio coding
CN110556117B (zh) * 2018-05-31 2022-04-22 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
CN110556118B (zh) * 2018-05-31 2022-05-10 华为技术有限公司 立体声信号的编码方法和装置
BR112020026967A2 (pt) * 2018-07-04 2021-03-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificação de áudio de multissinal usando branqueamento de sinal como pré-processamento
KR20200073878A (ko) 2018-12-15 2020-06-24 한수영 자동 플라스틱 컵 분리기
MX2021007109A (es) 2018-12-20 2021-08-11 Ericsson Telefon Ab L M Metodo y aparato para controlar el ocultamiento de perdida de tramas de audio multicanal.
CA3193359A1 (en) 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Parameter encoding and decoding
CN110739000B (zh) * 2019-10-14 2022-02-01 武汉大学 一种适应于个性化交互系统的音频对象编码方法
CN111081264B (zh) * 2019-12-06 2022-03-29 北京明略软件系统有限公司 一种语音信号处理方法、装置、设备及存储介质
CN120526780A (zh) * 2020-03-09 2025-08-22 日本电信电话株式会社 声音信号缩混方法、编码方法、缩混装置及程序
GB2595475A (en) * 2020-05-27 2021-12-01 Nokia Technologies Oy Spatial audio representation and rendering
WO2022065933A1 (ko) * 2020-09-28 2022-03-31 삼성전자 주식회사 오디오의 부호화 장치 및 방법, 및 오디오의 복호화 장치 및 방법
WO2022074202A2 (en) 2020-10-09 2022-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing
MX2023003962A (es) 2020-10-09 2023-05-25 Fraunhofer Ges Forschung Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una conversion de parametros.
KR20230084244A (ko) 2020-10-09 2023-06-12 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 대역폭 확장을 사용하여, 인코딩된 오디오 장면을 프로세싱하기 위한 장치, 방법, 또는 컴퓨터 프로그램
CN114258568B (zh) * 2021-11-26 2024-12-03 北京小米移动软件有限公司 一种立体声音频信号处理方法、装置、编码设备、解码设备及存储介质

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3330178B2 (ja) 1993-02-26 2002-09-30 松下電器産業株式会社 音声符号化装置および音声復号化装置
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
WO2004084182A1 (en) * 2003-03-15 2004-09-30 Mindspeed Technologies, Inc. Decomposition of voiced speech for celp speech coding
SE0301273D0 (sv) * 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
CN1875402B (zh) 2003-10-30 2012-03-21 皇家飞利浦电子股份有限公司 音频信号编码或解码
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
US7392195B2 (en) 2004-03-25 2008-06-24 Dts, Inc. Lossless multi-channel audio codec
KR101135726B1 (ko) 2004-04-05 2012-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
MX2007005261A (es) * 2004-11-04 2007-07-09 Koninkl Philips Electronics Nv Codificacion y descodificacion de un conjunto de senales.
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
JP4543973B2 (ja) * 2005-03-08 2010-09-15 富士電機機器制御株式会社 ＡＳ−ｉ用スレーブの過負荷・短絡保護回路
DE602006015294D1 (de) 2005-03-30 2010-08-19 Dolby Int Ab Mehrkanal-audiocodierung
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
US20070055510A1 (en) 2005-07-19 2007-03-08 Johannes Hilpert Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding
KR100636249B1 (ko) * 2005-09-28 2006-10-19 삼성전자주식회사 인핸스드 오디오 매트릭스 디코딩 방법 및 장치
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
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
US20080004883A1 (en) 2006-06-30 2008-01-03 Nokia Corporation Scalable audio coding
CA2678681C (en) 2006-10-13 2016-03-22 Galaxy Studios 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 dataset
JP4871894B2 (ja) 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
JP5883561B2 (ja) 2007-10-17 2016-03-15 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ アップミックスを使用した音声符号器
CN101911180A (zh) 2007-10-22 2010-12-08 韩国电子通信研究院 多对象音频编码和解码方法以及其设备
US8386271B2 (en) * 2008-03-25 2013-02-26 Microsoft Corporation Lossless and near lossless scalable audio codec
BRPI0908630B1 (pt) 2008-05-23 2020-09-15 Koninklijke Philips N.V. Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador
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
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
ES2531422T3 (es) 2008-07-31 2015-03-13 Fraunhofer Ges Forschung Generación de señales para señales binaurales
MX2011011399A (es) * 2008-10-17 2012-06-27 Univ Friedrich Alexander Er Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto.
EP2194526A1 (en) 2008-12-05 2010-06-09 Lg Electronics Inc. A method and apparatus for processing an audio signal
BR122019023947B1 (pt) * 2009-03-17 2021-04-06 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
MX2011013829A (es) 2009-06-24 2012-03-07 Fraunhofer Ges Forschung Decodificador de señales de audio, metodo para decodificar una señal de audio y programa de computacion que utiliza etapas en cascada de procesamiento de objetos de audio.
JP5793675B2 (ja) 2009-07-31 2015-10-14 パナソニックＩｐマネジメント株式会社 符号化装置および復号装置
KR101613975B1 (ko) * 2009-08-18 2016-05-02 삼성전자주식회사 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
TWI433137B (zh) 2009-09-10 2014-04-01 Dolby Int Ab 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法
WO2011045409A1 (en) 2009-10-16 2011-04-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value
KR20110049068A (ko) 2009-11-04 2011-05-12 삼성전자주식회사 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법
JP5298245B2 (ja) 2009-12-16 2013-09-25 ドルビー インターナショナル アーベー Ｓｂｒビットストリームパラメータダウンミックス
EP2360681A1 (en) 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
CA2992917C (en) * 2010-04-09 2020-05-26 Dolby International Ab Mdct-based complex prediction stereo coding
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
JP5820464B2 (ja) 2010-04-13 2015-11-24 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン オーディオまたはビデオエンコーダ、オーディオまたはビデオデコーダ、及び予測方向可変の予測を使用したマルチチャンネルオーディオまたはビデオ信号処理方法
SG2014006738A (en) 2010-08-25 2014-03-28 Fraunhofer Ges Forschung 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
JP5533502B2 (ja) 2010-09-28 2014-06-25 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
GB2485979A (en) 2010-11-26 2012-06-06 Univ Surrey Spatial audio coding
CN102074242B (zh) * 2010-12-27 2012-03-28 武汉大学 语音音频混合分级编码中核心层残差提取系统及方法
JP5582027B2 (ja) * 2010-12-28 2014-09-03 富士通株式会社 符号器、符号化方法および符号化プログラム
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
JP5805796B2 (ja) 2011-03-18 2015-11-10 フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． 柔軟なコンフィギュレーション機能性を有するオーディオエンコーダおよびデコーダ
JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
JP5998467B2 (ja) * 2011-12-14 2016-09-28 富士通株式会社 復号装置、復号方法、及び復号プログラム
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

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