HK1196198A1 - Apparatus and method and computer program for generating a stereo output signal for providing additional output channels - Google Patents

Apparatus and method and computer program for generating a stereo output signal for providing additional output channels

Info

Publication number
HK1196198A1
HK1196198A1 HK14109453.5A HK14109453A HK1196198A1 HK 1196198 A1 HK1196198 A1 HK 1196198A1 HK 14109453 A HK14109453 A HK 14109453A HK 1196198 A1 HK1196198 A1 HK 1196198A1
Authority
HK
Hong Kong
Prior art keywords
generating
computer program
providing additional
output signal
output channels
Prior art date
Application number
HK14109453.5A
Other languages
English (en)
Chinese (zh)
Inventor
Christian Stcklmeier
Stefan Finauer
Christian Uhle
Peter Prokein
Oliver Hellmuth
Ulrik Heise
Original Assignee
弗勞恩霍夫促進應用研究協會
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 弗勞恩霍夫促進應用研究協會 filed Critical 弗勞恩霍夫促進應用研究協會
Publication of HK1196198A1 publication Critical patent/HK1196198A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • 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 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
    • 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
    • H04S2400/05—Generation or adaptation of centre channel in multi-channel audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
HK14109453.5A 2011-05-13 2014-09-19 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels HK1196198A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161486087P 2011-05-13 2011-05-13
EP11173101A EP2523472A1 (en) 2011-05-13 2011-07-07 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels
PCT/EP2012/058435 WO2012156232A1 (en) 2011-05-13 2012-05-08 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels

Publications (1)

Publication Number Publication Date
HK1196198A1 true HK1196198A1 (en) 2014-12-05

Family

ID=44582183

Family Applications (1)

Application Number Title Priority Date Filing Date
HK14109453.5A HK1196198A1 (en) 2011-05-13 2014-09-19 Apparatus and method and computer program for generating a stereo output signal for providing additional output channels

Country Status (16)

Country Link
US (1) US9913036B2 (xx)
EP (2) EP2523472A1 (xx)
JP (1) JP5931182B2 (xx)
KR (1) KR101637407B1 (xx)
CN (1) CN103518386B (xx)
AR (1) AR086354A1 (xx)
AU (1) AU2012257865B2 (xx)
BR (1) BR112013029136B1 (xx)
CA (1) CA2835742C (xx)
ES (1) ES2544997T3 (xx)
HK (1) HK1196198A1 (xx)
MX (1) MX2013012999A (xx)
PL (1) PL2708041T3 (xx)
RU (1) RU2595541C2 (xx)
TW (1) TWI468031B (xx)
WO (1) WO2012156232A1 (xx)

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JP6355049B2 (ja) * 2013-11-27 2018-07-11 パナソニックＩｐマネジメント株式会社 音響信号処理方法、及び音響信号処理装置
US9928842B1 (en) 2016-09-23 2018-03-27 Apple Inc. Ambience extraction from stereo signals based on least-squares approach
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US10299039B2 (en) 2017-06-02 2019-05-21 Apple Inc. Audio adaptation to room
CN110556116B (zh) * 2018-05-31 2021-10-22 华为技术有限公司 计算下混信号和残差信号的方法和装置

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US8064624B2 (en) * 2007-07-19 2011-11-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for generating a stereo signal with enhanced perceptual quality
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US8103005B2 (en) 2008-02-04 2012-01-24 Creative Technology Ltd Primary-ambient decomposition of stereo audio signals using a complex similarity index
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JP5802753B2 (ja) * 2010-09-06 2015-11-04 ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ マルチチャンネルオーディオ再生のためのアップミキシング方法及びシステム

Also Published As

Publication number Publication date
BR112013029136A2 (pt) 2017-10-17
EP2708041B1 (en) 2015-06-17
RU2013155384A (ru) 2015-06-20
KR20140017639A (ko) 2014-02-11
JP2014517600A (ja) 2014-07-17
CA2835742C (en) 2018-01-09
TWI468031B (zh) 2015-01-01
AU2012257865A1 (en) 2013-11-21
WO2012156232A1 (en) 2012-11-22
CA2835742A1 (en) 2012-11-22
US20140072124A1 (en) 2014-03-13
BR112013029136B1 (pt) 2022-09-20
TW201251481A (en) 2012-12-16
CN103518386B (zh) 2017-11-28
EP2523472A1 (en) 2012-11-14
AR086354A1 (es) 2013-12-04
RU2595541C2 (ru) 2016-08-27
EP2708041A1 (en) 2014-03-19
CN103518386A (zh) 2014-01-15
KR101637407B1 (ko) 2016-07-20
ES2544997T3 (es) 2015-09-07
AU2012257865B2 (en) 2015-07-09
MX2013012999A (es) 2014-01-31
US9913036B2 (en) 2018-03-06
JP5931182B2 (ja) 2016-06-08
PL2708041T3 (pl) 2015-12-31

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