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
audio
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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; ELECTRIC HEARING AIDS; 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 Expired - Lifetime KR101271069B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP05102515.3 2005-03-30
EP05102515 2005-03-30
EP05103085 2005-04-18
EP05103085.6 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 (cg-RX-API-DMAC10.html)
EP (1) EP1866912B1 (cg-RX-API-DMAC10.html)
JP (1) JP4610650B2 (cg-RX-API-DMAC10.html)
KR (1) KR101271069B1 (cg-RX-API-DMAC10.html)
AT (1) ATE473502T1 (cg-RX-API-DMAC10.html)
BR (1) BRPI0608945C8 (cg-RX-API-DMAC10.html)
DE (1) DE602006015294D1 (cg-RX-API-DMAC10.html)
MX (1) MX2007011915A (cg-RX-API-DMAC10.html)
PL (1) PL1866912T3 (cg-RX-API-DMAC10.html)
RU (2) RU2411594C2 (cg-RX-API-DMAC10.html)
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RU2407073C2 (ru) 2010-12-20
EP1866912B1 (en) 2010-07-07
EP1866912A1 (en) 2007-12-19
JP2008535356A (ja) 2008-08-28
JP4610650B2 (ja) 2011-01-12
US20100153097A1 (en) 2010-06-17
RU2007139918A (ru) 2009-05-10
ATE473502T1 (de) 2010-07-15
BRPI0608945B1 (pt) 2019-05-28
BRPI0608945C8 (pt) 2020-12-22
PL1866912T3 (pl) 2011-03-31
DE602006015294D1 (de) 2010-08-19
KR20070118161A (ko) 2007-12-13
MX2007011915A (es) 2007-11-22
US8346564B2 (en) 2013-01-01
RU2007139922A (ru) 2009-05-10
BRPI0608945B8 (pt) 2020-12-01
RU2411594C2 (ru) 2011-02-10
WO2006103584A1 (en) 2006-10-05
BRPI0608945A2 (pt) 2010-11-16

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