KR20070043651A - 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 - Google Patents

멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 Download PDF

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Publication number
KR20070043651A
KR20070043651A KR1020060102146A KR20060102146A KR20070043651A KR 20070043651 A KR20070043651 A KR 20070043651A KR 1020060102146 A KR1020060102146 A KR 1020060102146A KR 20060102146 A KR20060102146 A KR 20060102146A KR 20070043651 A KR20070043651 A KR 20070043651A
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KR
South Korea
Prior art keywords
spatial information
signal
downmix signal
information
downmix
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KR1020060102146A
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English (en)
Korean (ko)
Inventor
정양원
방희석
오현오
김동수
임재현
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엘지전자 주식회사
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Priority to EP06799358.4A priority Critical patent/EP1952392B1/en
Priority to PCT/KR2006/004285 priority patent/WO2007046660A1/en
Priority to JP2008536504A priority patent/JP5507844B2/ja
Priority to US12/091,053 priority patent/US20080255859A1/en
Priority to CN2006800385900A priority patent/CN101292285B/zh
Priority to ES06799358.4T priority patent/ES2587999T3/es
Publication of KR20070043651A publication Critical patent/KR20070043651A/ko
Withdrawn legal-status Critical Current

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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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • 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 
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
KR1020060102146A 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치 Withdrawn KR20070043651A (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP06799358.4A EP1952392B1 (en) 2005-10-20 2006-10-20 Method, apparatus and computer-readable recording medium for decoding a multi-channel audio signal
PCT/KR2006/004285 WO2007046660A1 (en) 2005-10-20 2006-10-20 Method for encoding and decoding multi-channel audio signal and apparatus thereof
JP2008536504A JP5507844B2 (ja) 2005-10-20 2006-10-20 マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置
US12/091,053 US20080255859A1 (en) 2005-10-20 2006-10-20 Method for Encoding and Decoding Multi-Channel Audio Signal and Apparatus Thereof
CN2006800385900A CN101292285B (zh) 2005-10-20 2006-10-20 编码和解码多声道音频信号的方法及其装置
ES06799358.4T ES2587999T3 (es) 2005-10-20 2006-10-20 Procedimiento, aparato y soporte de registro legible por ordenador para decodificar una señal de audio multicanal

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US72830905P 2005-10-20 2005-10-20
US60/728,309 2005-10-20
US73429205P 2005-11-08 2005-11-08
US60/734,292 2005-11-08
US76573006P 2006-02-07 2006-02-07
US60/765,730 2006-02-07

Publications (1)

Publication Number Publication Date
KR20070043651A true KR20070043651A (ko) 2007-04-25

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KR1020060102146A Withdrawn KR20070043651A (ko) 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
KR1020087011931A Active KR100866885B1 (ko) 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
KR1020087021421A Active KR101165640B1 (ko) 2005-10-20 2006-10-20 오디오 신호의 디코딩 및 인코딩 방법 및 그 장치

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KR1020087011931A Active KR100866885B1 (ko) 2005-10-20 2006-10-20 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
KR1020087021421A Active KR101165640B1 (ko) 2005-10-20 2006-10-20 오디오 신호의 디코딩 및 인코딩 방법 및 그 장치

Country Status (6)

Country Link
US (4) US20080255859A1 (enExample)
EP (2) EP1952392B1 (enExample)
JP (2) JP5536335B2 (enExample)
KR (3) KR20070043651A (enExample)
ES (1) ES2587999T3 (enExample)
WO (2) WO2007046659A1 (enExample)

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KR100881312B1 (ko) * 2007-06-28 2009-02-03 엘지전자 주식회사 멀티 채널 오디오 신호의 부호화/복호화 방법 및 장치,그를 이용한 인터넷 프로토콜 디스플레이 장치
KR100923156B1 (ko) * 2006-05-02 2009-10-23 한국전자통신연구원 멀티채널 오디오 인코딩 및 디코딩 시스템 및 방법
CN103854651A (zh) * 2009-12-16 2014-06-11 杜比国际公司 Sbr比特流参数缩混
WO2023210978A1 (ko) * 2022-04-28 2023-11-02 삼성전자 주식회사 다채널 오디오 신호 처리 장치 및 방법

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WO2010087627A2 (en) * 2009-01-28 2010-08-05 Lg Electronics Inc. A method and an apparatus for decoding an audio signal
KR20110022251A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
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KR100923156B1 (ko) * 2006-05-02 2009-10-23 한국전자통신연구원 멀티채널 오디오 인코딩 및 디코딩 시스템 및 방법
KR100881312B1 (ko) * 2007-06-28 2009-02-03 엘지전자 주식회사 멀티 채널 오디오 신호의 부호화/복호화 방법 및 장치,그를 이용한 인터넷 프로토콜 디스플레이 장치
CN103854651A (zh) * 2009-12-16 2014-06-11 杜比国际公司 Sbr比特流参数缩混
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CN103854651B (zh) * 2009-12-16 2017-04-12 杜比国际公司 Sbr比特流参数缩混
WO2023210978A1 (ko) * 2022-04-28 2023-11-02 삼성전자 주식회사 다채널 오디오 신호 처리 장치 및 방법

Also Published As

Publication number Publication date
US20100310079A1 (en) 2010-12-09
WO2007046659A1 (en) 2007-04-26
ES2587999T3 (es) 2016-10-28
EP1952392A4 (en) 2009-07-22
EP1952391A4 (en) 2009-07-22
JP5507844B2 (ja) 2014-05-28
EP1952391B1 (en) 2017-10-11
KR100866885B1 (ko) 2008-11-04
JP5536335B2 (ja) 2014-07-02
US20080262853A1 (en) 2008-10-23
WO2007046660A1 (en) 2007-04-26
US20080255859A1 (en) 2008-10-16
EP1952391A1 (en) 2008-08-06
US8804967B2 (en) 2014-08-12
JP2009512893A (ja) 2009-03-26
US8498421B2 (en) 2013-07-30
KR20080066808A (ko) 2008-07-16
JP2009512892A (ja) 2009-03-26
KR20080086550A (ko) 2008-09-25
KR101165640B1 (ko) 2012-07-17
EP1952392B1 (en) 2016-07-20
EP1952392A1 (en) 2008-08-06
US20110085669A1 (en) 2011-04-14

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Patent event date: 20061020

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