KR102059486B1 - 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 - Google Patents

고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 Download PDF

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KR102059486B1
KR102059486B1 KR1020147026827A KR20147026827A KR102059486B1 KR 102059486 B1 KR102059486 B1 KR 102059486B1 KR 1020147026827 A KR1020147026827 A KR 1020147026827A KR 20147026827 A KR20147026827 A KR 20147026827A KR 102059486 B1 KR102059486 B1 KR 102059486B1
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matrix
panning
sampling points
decoding
audio signal
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KR20140138773A (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
    • H04S3/008—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
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • 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
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
KR1020147026827A 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 Active KR102059486B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12305356.3 2012-03-28
EP12305356.3A EP2645748A1 (en) 2012-03-28 2012-03-28 Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
PCT/EP2013/055792 WO2013143934A1 (en) 2012-03-28 2013-03-20 Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal

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KR1020197037604A Division KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

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KR102059486B1 true KR102059486B1 (ko) 2019-12-26

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KR1020147026827A Active KR102059486B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020217001737A Active KR102481338B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020247020658A Active KR102863957B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020197037604A Active KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020257031503A Pending KR20250141277A (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020227044967A Active KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

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KR1020247020658A Active KR102863957B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020197037604A Active KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020257031503A Pending KR20250141277A (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020227044967A Active KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

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EP (4) EP2645748A1 (enExample)
JP (7) JP6316275B2 (enExample)
KR (6) KR102059486B1 (enExample)
CN (6) CN107135460B (enExample)
TW (11) TWI845344B (enExample)
WO (1) WO2013143934A1 (enExample)

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JP2023065646A (ja) 2023-05-12
KR20210009448A (ko) 2021-01-26
CN107241677A (zh) 2017-10-10
CN107172567B (zh) 2019-12-03
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KR102481338B1 (ko) 2022-12-27
US12010501B2 (en) 2024-06-11
JP2020043590A (ja) 2020-03-19
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CN104205879A (zh) 2014-12-10
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TW202018698A (zh) 2020-05-16
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US11172317B2 (en) 2021-11-09
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