HK1175580A1 - 用以基於下混信號表示形態提供上混信號表示形態的裝置、用以提供表示多聲道音頻信號的位流的裝置、使用失真控制信令方式的方法、計算機程序與位流 - Google Patents

用以基於下混信號表示形態提供上混信號表示形態的裝置、用以提供表示多聲道音頻信號的位流的裝置、使用失真控制信令方式的方法、計算機程序與位流

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Publication number
HK1175580A1
HK1175580A1 HK13102304.2A HK13102304A HK1175580A1 HK 1175580 A1 HK1175580 A1 HK 1175580A1 HK 13102304 A HK13102304 A HK 13102304A HK 1175580 A1 HK1175580 A1 HK 1175580A1
Authority
HK
Hong Kong
Prior art keywords
providing
bitstream
signal representation
basis
computer program
Prior art date
Application number
HK13102304.2A
Other languages
English (en)
Inventor
Jonas Engdegard
Heiko Purnhagen
Jrgen Herre
Leon Terentiv
Cornelia Falch
Oliver Hellmuth
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of HK1175580A1 publication Critical patent/HK1175580A1/zh

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Classifications

    • 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
    • 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
    • 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 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Control Of Amplification And Gain Control (AREA)
HK13102304.2A 2009-10-20 2013-02-22 用以基於下混信號表示形態提供上混信號表示形態的裝置、用以提供表示多聲道音頻信號的位流的裝置、使用失真控制信令方式的方法、計算機程序與位流 HK1175580A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US25323709P 2009-10-20 2009-10-20
US36926010P 2010-07-30 2010-07-30
EP10171418 2010-07-30
PCT/EP2010/065671 WO2011048067A1 (en) 2009-10-20 2010-10-19 Apparatus for providing an upmix signal representation on the basis of a downmix signal representation, apparatus for providing a bitstream representing a multichannel audio signal, methods, computer program and bitstream using a distortion control signaling

Publications (1)

Publication Number Publication Date
HK1175580A1 true HK1175580A1 (zh) 2013-07-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK13102304.2A HK1175580A1 (zh) 2009-10-20 2013-02-22 用以基於下混信號表示形態提供上混信號表示形態的裝置、用以提供表示多聲道音頻信號的位流的裝置、使用失真控制信令方式的方法、計算機程序與位流

Country Status (16)

Country Link
US (1) US9060236B2 (zh)
EP (1) EP2491551B1 (zh)
JP (1) JP5719372B2 (zh)
KR (1) KR101418661B1 (zh)
CN (1) CN102640213B (zh)
AR (1) AR078701A1 (zh)
AU (1) AU2010309867B2 (zh)
CA (1) CA2778239C (zh)
ES (1) ES2529219T3 (zh)
HK (1) HK1175580A1 (zh)
MX (1) MX2012004621A (zh)
MY (1) MY153337A (zh)
PL (1) PL2491551T3 (zh)
RU (1) RU2577199C2 (zh)
TW (1) TWI431611B (zh)
WO (1) WO2011048067A1 (zh)

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KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
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Also Published As

Publication number Publication date
WO2011048067A1 (en) 2011-04-28
EP2491551B1 (en) 2015-01-07
PL2491551T3 (pl) 2015-06-30
KR101418661B1 (ko) 2014-07-14
CA2778239A1 (en) 2011-04-28
KR20120082462A (ko) 2012-07-23
AU2010309867A1 (en) 2012-05-31
JP5719372B2 (ja) 2015-05-20
US9060236B2 (en) 2015-06-16
TWI431611B (zh) 2014-03-21
EP2491551A1 (en) 2012-08-29
AU2010309867B2 (en) 2014-05-08
RU2012118789A (ru) 2013-11-10
RU2577199C2 (ru) 2016-03-10
CN102640213A (zh) 2012-08-15
AR078701A1 (es) 2011-11-30
CA2778239C (en) 2015-12-15
ES2529219T3 (es) 2015-02-18
US20120243690A1 (en) 2012-09-27
CN102640213B (zh) 2014-07-09
MY153337A (en) 2015-01-29
TW201131552A (en) 2011-09-16
JP2013511053A (ja) 2013-03-28
MX2012004621A (es) 2012-05-08

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