HK1175580A1 - 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 - Google Patents

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

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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)
Chinese (zh)
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/xx

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Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (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 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 HK1175580A1 (en)

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 (en) 2013-07-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
HK13102304.2A HK1175580A1 (en) 2009-10-20 2013-02-22 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

Country Status (16)

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

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CN104240711B (zh) * 2013-06-18 2019-10-11 杜比实验室特许公司 用于生成自适应音频内容的方法、系统和装置
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EP2830050A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhanced spatial audio object coding
ES2659019T3 (es) * 2013-10-21 2018-03-13 Dolby International Ab Estructura de descorrelacionador para la reconstrucción paramétrica de señales de audio
KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
JP6374980B2 (ja) * 2014-03-26 2018-08-15 パナソニック株式会社 サラウンドオーディオ信号処理のための装置及び方法
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Also Published As

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

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