KR101271069B1 - 다중채널 오디오 인코더 및 디코더와, 인코딩 및 디코딩 방법 - Google Patents

다중채널 오디오 인코더 및 디코더와, 인코딩 및 디코딩 방법 Download PDF

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KR101271069B1
KR101271069B1 KR1020077025173A KR20077025173A KR101271069B1 KR 101271069 B1 KR101271069 B1 KR 101271069B1 KR 1020077025173 A KR1020077025173 A KR 1020077025173A KR 20077025173 A KR20077025173 A KR 20077025173A KR 101271069 B1 KR101271069 B1 KR 101271069B1
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audio signals
parametric data
associated parametric
additional
downmix
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KR20070118161A (ko
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게라르드 에이치. 호토
더크 제이. 브리바르트
에릭 지. 피. 슈이예르스
알베르투스 씨. 덴 브린커
라르스 에프. 빌레모에스
하이코 푸른하겐
카를 제이. 로덴
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돌비 인터네셔널 에이비
코닌클리케 필립스 일렉트로닉스 엔.브이.
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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
    • G10L19/04—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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Circuit For Audible Band Transducer (AREA)
KR1020077025173A 2005-03-30 2006-03-16 다중채널 오디오 인코더 및 디코더와, 인코딩 및 디코딩 방법 Active KR101271069B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05102515 2005-03-30
EP05102515.3 2005-03-30
EP05103085.6 2005-04-18
EP05103085 2005-04-18
PCT/IB2006/050822 WO2006103584A1 (en) 2005-03-30 2006-03-16 Multi-channel audio coding

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KR20070118161A KR20070118161A (ko) 2007-12-13
KR101271069B1 true KR101271069B1 (ko) 2013-06-04

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US (1) US8346564B2 (enExample)
EP (1) EP1866912B1 (enExample)
JP (1) JP4610650B2 (enExample)
KR (1) KR101271069B1 (enExample)
AT (1) ATE473502T1 (enExample)
BR (1) BRPI0608945C8 (enExample)
DE (1) DE602006015294D1 (enExample)
MX (1) MX2007011915A (enExample)
PL (1) PL1866912T3 (enExample)
RU (2) RU2411594C2 (enExample)
WO (1) WO2006103584A1 (enExample)

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Also Published As

Publication number Publication date
BRPI0608945A2 (pt) 2010-11-16
DE602006015294D1 (de) 2010-08-19
JP4610650B2 (ja) 2011-01-12
PL1866912T3 (pl) 2011-03-31
RU2411594C2 (ru) 2011-02-10
BRPI0608945B1 (pt) 2019-05-28
BRPI0608945C8 (pt) 2020-12-22
RU2407073C2 (ru) 2010-12-20
RU2007139918A (ru) 2009-05-10
KR20070118161A (ko) 2007-12-13
US20100153097A1 (en) 2010-06-17
RU2007139922A (ru) 2009-05-10
EP1866912B1 (en) 2010-07-07
JP2008535356A (ja) 2008-08-28
US8346564B2 (en) 2013-01-01
EP1866912A1 (en) 2007-12-19
ATE473502T1 (de) 2010-07-15
BRPI0608945B8 (pt) 2020-12-01
WO2006103584A1 (en) 2006-10-05
MX2007011915A (es) 2007-11-22

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