KR101774796B1 - 3차원 오디오 콘텐츠의 공간 오디오 오브젝트 코딩 다운믹스의 실현을 위한 장치 및 방법 - Google Patents

3차원 오디오 콘텐츠의 공간 오디오 오브젝트 코딩 다운믹스의 실현을 위한 장치 및 방법 Download PDF

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KR101774796B1
KR101774796B1 KR1020167004312A KR20167004312A KR101774796B1 KR 101774796 B1 KR101774796 B1 KR 101774796B1 KR 1020167004312 A KR1020167004312 A KR 1020167004312A KR 20167004312 A KR20167004312 A KR 20167004312A KR 101774796 B1 KR101774796 B1 KR 101774796B1
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audio
channels
information
mixing
audio transmission
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KR20160041941A (ko
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사샤 디쉬
하랄드 푹스
올리버 헬무트
위르겐 헤레
아드리안 무르타자
팔코 리더부슈
레온 테렌티브
조우니 파울루스
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프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베.
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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
    • 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 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
    • 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)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
KR1020167004312A 2013-07-22 2014-07-16 3차원 오디오 콘텐츠의 공간 오디오 오브젝트 코딩 다운믹스의 실현을 위한 장치 및 방법 Active KR101774796B1 (ko)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
EP13177357 2013-07-22
EP13177357.4 2013-07-22
EP13177371.5 2013-07-22
EP20130177378 EP2830045A1 (en) 2013-07-22 2013-07-22 Concept for audio encoding and decoding for audio channels and audio objects
EP13177378.0 2013-07-22
EP13177371 2013-07-22
EP13189281.2A EP2830048A1 (en) 2013-07-22 2013-10-18 Apparatus and method for realizing a SAOC downmix of 3D audio content
EP13189281.2 2013-10-18
PCT/EP2014/065290 WO2015010999A1 (en) 2013-07-22 2014-07-16 Apparatus and method for realizing a saoc downmix of 3d audio content

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KR20160041941A KR20160041941A (ko) 2016-04-18
KR101774796B1 true KR101774796B1 (ko) 2017-09-05

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KR1020167003120A Active KR101852951B1 (ko) 2013-07-22 2014-07-17 향상된 공간적 오디오 오브젝트 코딩을 위한 장치 및 방법

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US (4) US9699584B2 (enExample)
EP (4) EP2830048A1 (enExample)
JP (3) JP6395827B2 (enExample)
KR (2) KR101774796B1 (enExample)
CN (3) CN112839296B (enExample)
AU (2) AU2014295270B2 (enExample)
BR (2) BR112016001244B1 (enExample)
CA (2) CA2918529C (enExample)
ES (2) ES2768431T3 (enExample)
MX (2) MX355589B (enExample)
MY (2) MY176990A (enExample)
PL (2) PL3025333T3 (enExample)
PT (1) PT3025333T (enExample)
RU (2) RU2666239C2 (enExample)
SG (2) SG11201600460UA (enExample)
TW (2) TWI560700B (enExample)
WO (2) WO2015010999A1 (enExample)
ZA (1) ZA201600984B (enExample)

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