KR102491042B1 - 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치 - Google Patents

2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치 Download PDF

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KR102491042B1
KR102491042B1 KR1020217009256A KR20217009256A KR102491042B1 KR 102491042 B1 KR102491042 B1 KR 102491042B1 KR 1020217009256 A KR1020217009256 A KR 1020217009256A KR 20217009256 A KR20217009256 A KR 20217009256A KR 102491042 B1 KR102491042 B1 KR 102491042B1
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loudspeaker
positions
loudspeakers
matrix
coefficients
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KR20210037747A (ko
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플로리안 케일러
요하네스 뵘
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돌비 인터네셔널 에이비
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/308—Electronic adaptation dependent on speaker or headphone connection
    • 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
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • 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
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
KR1020217009256A 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치 Active KR102491042B1 (ko)

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KR1020237001978A KR102629324B1 (ko) 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치

Applications Claiming Priority (4)

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EP20130290255 EP2866475A1 (en) 2013-10-23 2013-10-23 Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
EP13290255.2 2013-10-23
KR1020167010383A KR102235398B1 (ko) 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치
PCT/EP2014/072411 WO2015059081A1 (en) 2013-10-23 2014-10-20 Method for and apparatus for decoding an ambisonics audio soundfield representation for audio playback using 2d setups

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KR1020167010383A Active KR102235398B1 (ko) 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치
KR1020217009256A Active KR102491042B1 (ko) 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치
KR1020247002360A Pending KR20240017091A (ko) 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치

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KR1020167010383A Active KR102235398B1 (ko) 2013-10-23 2014-10-20 2d 셋업들을 이용하는 오디오 재생을 위해 앰비소닉스 오디오 음장 표현을 디코딩하기 위한 방법 및 장치

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EP (5) EP2866475A1 (enExample)
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KR (4) KR102629324B1 (enExample)
CN (6) CN108632736B (enExample)
AU (7) AU2014339080B2 (enExample)
BR (2) BR122017020302B1 (enExample)
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US9516446B2 (en) 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
US9736609B2 (en) 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
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JP6950014B2 (ja) 2021-10-13
EP2866475A1 (en) 2015-04-29
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US20200382889A1 (en) 2020-12-03
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