CA2406926A1 - Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions - Google Patents

Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions Download PDF

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Publication number
CA2406926A1
CA2406926A1 CA002406926A CA2406926A CA2406926A1 CA 2406926 A1 CA2406926 A1 CA 2406926A1 CA 002406926 A CA002406926 A CA 002406926A CA 2406926 A CA2406926 A CA 2406926A CA 2406926 A1 CA2406926 A1 CA 2406926A1
Authority
CA
Canada
Prior art keywords
speakers
sound
sound field
signals
harmonics
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002406926A
Other languages
English (en)
French (fr)
Inventor
James A. Moorer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
S Aqua Semiconductor LLC
Original Assignee
Individual
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
Priority claimed from US09/552,378 external-priority patent/US6904152B1/en
Application filed by Individual filed Critical Individual
Publication of CA2406926A1 publication Critical patent/CA2406926A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
CA002406926A 2000-04-19 2000-10-06 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions Abandoned CA2406926A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/552,378 US6904152B1 (en) 1997-09-24 2000-04-19 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions
US09/552,378 2000-04-19
PCT/US2000/027851 WO2001082651A1 (en) 2000-04-19 2000-10-06 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions

Publications (1)

Publication Number Publication Date
CA2406926A1 true CA2406926A1 (en) 2001-11-01

Family

ID=24205070

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002406926A Abandoned CA2406926A1 (en) 2000-04-19 2000-10-06 Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics in three dimensions

Country Status (6)

Country Link
EP (1) EP1275272B1 (de)
JP (1) JP4861593B2 (de)
CN (1) CN1452851A (de)
AU (1) AU2000280030A1 (de)
CA (1) CA2406926A1 (de)
WO (1) WO2001082651A1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2379147B (en) * 2001-04-18 2003-10-22 Univ York Sound processing
JP4016681B2 (ja) * 2002-03-18 2007-12-05 ヤマハ株式会社 効果付与装置
FR2847376B1 (fr) * 2002-11-19 2005-02-04 France Telecom Procede de traitement de donnees sonores et dispositif d'acquisition sonore mettant en oeuvre ce procede
FR2858403B1 (fr) * 2003-07-31 2005-11-18 Remy Henri Denis Bruno Systeme et procede de determination d'une representation d'un champ acoustique
SE0400997D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
US8290167B2 (en) * 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
US9015051B2 (en) 2007-03-21 2015-04-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Reconstruction of audio channels with direction parameters indicating direction of origin
US8908873B2 (en) 2007-03-21 2014-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
TWI455064B (zh) * 2007-12-20 2014-10-01 Thomson Licensing 聲影文件突起映圖之決定方法和裝置
WO2009093866A2 (en) 2008-01-23 2009-07-30 Lg Electronics Inc. A method and an apparatus for processing an audio signal
WO2009093867A2 (en) 2008-01-23 2009-07-30 Lg Electronics Inc. A method and an apparatus for processing audio signal
KR100998913B1 (ko) * 2008-01-23 2010-12-08 엘지전자 주식회사 오디오 신호의 처리 방법 및 이의 장치
EP2154677B1 (de) 2008-08-13 2013-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung zur Bestimmung eines konvertierten Raumtonsignals
GB2476747B (en) * 2009-02-04 2011-12-21 Richard Furse Sound system
WO2011117399A1 (en) 2010-03-26 2011-09-29 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback
CN103460285B (zh) 2010-12-03 2018-01-12 弗劳恩霍夫应用研究促进协会 用于以几何为基础的空间音频编码的装置及方法
EP2727383B1 (de) 2011-07-01 2021-04-28 Dolby Laboratories Licensing Corporation System und verfahren für adaptive audiosignalgenerierung, -kodierung und -wiedergabe
US8996296B2 (en) * 2011-12-15 2015-03-31 Qualcomm Incorporated Navigational soundscaping
CN102695116B (zh) * 2012-05-30 2015-06-03 蒋憧 一种声音采集、处理和再现方法
CN102752701B (zh) * 2012-07-10 2014-09-17 武汉大学 一种三维空间方位感知敏感度的测试装置及方法
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
CN102932730B (zh) * 2012-11-08 2014-09-17 武汉大学 一种正四面体结构的扬声器组声场效果增强方法及系统
EP2733964A1 (de) 2012-11-15 2014-05-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Segmentweise Anpassung eines räumliche Audiosignals an verschiedene Einstellungen der Wiedergabelautsprecher
US9736609B2 (en) * 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
US5757927A (en) * 1992-03-02 1998-05-26 Trifield Productions Ltd. Surround sound apparatus
JPH08130793A (ja) * 1994-11-01 1996-05-21 Mitsubishi Electric Corp 音響再生装置
JPH1118199A (ja) * 1997-06-26 1999-01-22 Nippon Columbia Co Ltd 音響処理装置
AU6400699A (en) * 1998-09-25 2000-04-17 Creative Technology Ltd Method and apparatus for three-dimensional audio display

Also Published As

Publication number Publication date
EP1275272A1 (de) 2003-01-15
AU2000280030A1 (en) 2001-11-07
WO2001082651A1 (en) 2001-11-01
CN1452851A (zh) 2003-10-29
EP1275272B1 (de) 2012-11-21
JP2003531555A (ja) 2003-10-21
JP4861593B2 (ja) 2012-01-25

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued