CN103151047A - 多对象音频解码方法 - Google Patents

多对象音频解码方法 Download PDF

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Publication number
CN103151047A
CN103151047A CN2013100735253A CN201310073525A CN103151047A CN 103151047 A CN103151047 A CN 103151047A CN 2013100735253 A CN2013100735253 A CN 2013100735253A CN 201310073525 A CN201310073525 A CN 201310073525A CN 103151047 A CN103151047 A CN 103151047A
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China
Prior art keywords
signal
audio object
downmix
foreground
stereo
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CN2013100735253A
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English (en)
Chinese (zh)
Inventor
白承权
徐廷一
姜京玉
洪镇佑
金镇雄
李泰辰
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Electronics and Telecommunications Research Institute
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Electronics and Telecommunications Research Institute
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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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN2013100735253A 2007-10-22 2008-10-21 多对象音频解码方法 Pending CN103151047A (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20070106067 2007-10-22
KR10-2007-0106067 2007-10-22
KR10-2008-0002759 2008-01-09
KR20080002759 2008-01-09

Related Parent Applications (1)

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CN2008801223283A Division CN101911180A (zh) 2007-10-22 2008-10-21 多对象音频编码和解码方法以及其设备

Publications (1)

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CN103151047A true CN103151047A (zh) 2013-06-12

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Family Applications (4)

Application Number Title Priority Date Filing Date
CN2013100735253A Pending CN103151047A (zh) 2007-10-22 2008-10-21 多对象音频解码方法
CN201210106922.1A Expired - Fee Related CN102682773B (zh) 2007-10-22 2008-10-21 多对象音频解码设备
CN2008801223283A Pending CN101911180A (zh) 2007-10-22 2008-10-21 多对象音频编码和解码方法以及其设备
CN201210432085.1A Expired - Fee Related CN102968994B (zh) 2007-10-22 2008-10-21 多对象音频解码方法和设备

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CN201210106922.1A Expired - Fee Related CN102682773B (zh) 2007-10-22 2008-10-21 多对象音频解码设备
CN2008801223283A Pending CN101911180A (zh) 2007-10-22 2008-10-21 多对象音频编码和解码方法以及其设备
CN201210432085.1A Expired - Fee Related CN102968994B (zh) 2007-10-22 2008-10-21 多对象音频解码方法和设备

Country Status (6)

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US (2) US20100228554A1 (enExample)
EP (3) EP2511903A3 (enExample)
JP (2) JP2011501230A (enExample)
KR (2) KR101566025B1 (enExample)
CN (4) CN103151047A (enExample)
WO (1) WO2009054665A1 (enExample)

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CN103649706B (zh) * 2011-03-16 2015-11-25 Dts（英属维尔京群岛）有限公司 三维音频音轨的编码及再现
WO2013064957A1 (en) * 2011-11-01 2013-05-10 Koninklijke Philips Electronics N.V. Audio object encoding and decoding
US9190065B2 (en) 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9479886B2 (en) 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
PL2883225T3 (pl) * 2012-08-10 2017-10-31 Fraunhofer Ges Forschung Koder, dekoder, układ i sposób, wykorzystujące koncepcje resztki dla parametrycznego kodowania obiektów audio
EP2973551B1 (en) 2013-05-24 2017-05-03 Dolby International AB Reconstruction of audio scenes from a downmix
CA3017077C (en) 2013-05-24 2021-08-17 Dolby International Ab Coding of audio scenes
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
KR20160101692A (ko) 2015-02-17 2016-08-25 한국전자통신연구원 다채널 신호 처리 방법 및 상기 방법을 수행하는 다채널 신호 처리 장치
WO2019143867A1 (en) * 2018-01-18 2019-07-25 Dolby Laboratories Licensing Corporation Methods and devices for coding soundfield representation signals
US11276413B2 (en) 2018-10-26 2022-03-15 Electronics And Telecommunications Research Institute Audio signal encoding method and audio signal decoding method, and encoder and decoder performing the same
IL281936B2 (en) 2018-11-13 2026-04-01 Dolby Laboratories Licensing Corp Audio Processing at Investor Audio Services
ES2985934T3 (es) 2018-11-13 2024-11-07 Dolby Laboratories Licensing Corp Representar audio espacial por medio de una señal de audio y metadatos asociados

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US7809580B2 (en) * 2004-11-04 2010-10-05 Koninklijke Philips Electronics N.V. Encoding and decoding of multi-channel audio signals
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
CN101151659B (zh) * 2005-03-30 2014-02-05 皇家飞利浦电子股份有限公司 多通道音频编码器、设备、方法及其解码器、设备和方法
KR20070076363A (ko) * 2006-01-18 2007-07-24 엘지전자 주식회사 오디오 신호의 인코딩 및 디코딩 방법
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KR20070025906A (ko) * 2005-08-30 2007-03-08 엘지전자 주식회사 멀티채널 오디오 코딩에서 효과적인 레지듀얼 코딩 정보비트스트림 구성방법
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
KR101178222B1 (ko) * 2005-12-22 2012-08-29 삼성전자주식회사 오디오 부호화 및 복호화 방법과 그 장치
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KR20070087494A (ko) * 2006-02-23 2007-08-28 엘지전자 주식회사 멀티 채널 오디오 신호의 디코딩 방법 및 장치
WO2008114982A1 (en) * 2007-03-16 2008-09-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
MX2010004220A (es) * 2007-10-17 2010-06-11 Fraunhofer Ges Forschung Codificacion de audio usando mezcla descendente.

Also Published As

Publication number Publication date
US20120275609A1 (en) 2012-11-01
EP2212882A4 (en) 2011-12-28
EP2212882A1 (en) 2010-08-04
EP2624253A3 (en) 2013-11-06
CN101911180A (zh) 2010-12-08
WO2009054665A1 (en) 2009-04-30
KR20090040857A (ko) 2009-04-27
EP2511903A2 (en) 2012-10-17
US20100228554A1 (en) 2010-09-09
KR101566055B1 (ko) 2015-11-05
KR101566025B1 (ko) 2015-11-05
CN102682773B (zh) 2014-11-26
JP2011501230A (ja) 2011-01-06
EP2624253A2 (en) 2013-08-07
JP2012212160A (ja) 2012-11-01
KR20120061792A (ko) 2012-06-13
CN102682773A (zh) 2012-09-19
CN102968994A (zh) 2013-03-13
CN102968994B (zh) 2015-07-15
EP2511903A3 (en) 2012-11-28

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Application publication date: 20130612