DE69232327D1 - Tonwiedergabesystem - Google Patents

Tonwiedergabesystem

Info

Publication number
DE69232327D1
DE69232327D1 DE69232327T DE69232327T DE69232327D1 DE 69232327 D1 DE69232327 D1 DE 69232327D1 DE 69232327 T DE69232327 T DE 69232327T DE 69232327 T DE69232327 T DE 69232327T DE 69232327 D1 DE69232327 D1 DE 69232327D1
Authority
DE
Germany
Prior art keywords
signals
matrix means
feed
matrix
channel signals
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.)
Expired - Fee Related
Application number
DE69232327T
Other languages
English (en)
Other versions
DE69232327T2 (de
Inventor
Anthony Gerzon
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.)
Trifield Productions Ltd
Original Assignee
Trifield Productions Ltd
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 Trifield Productions Ltd filed Critical Trifield Productions Ltd
Publication of DE69232327D1 publication Critical patent/DE69232327D1/de
Application granted granted Critical
Publication of DE69232327T2 publication Critical patent/DE69232327T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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 
    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Toys (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Stereo-Broadcasting Methods (AREA)
DE69232327T 1991-02-15 1992-02-14 Tonwiedergabesystem Expired - Fee Related DE69232327T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919103207A GB9103207D0 (en) 1991-02-15 1991-02-15 Stereophonic sound reproduction system
PCT/GB1992/000267 WO1992015180A1 (en) 1991-02-15 1992-02-14 Sound reproduction system

Publications (2)

Publication Number Publication Date
DE69232327D1 true DE69232327D1 (de) 2002-02-07
DE69232327T2 DE69232327T2 (de) 2002-08-22

Family

ID=10690065

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69232327T Expired - Fee Related DE69232327T2 (de) 1991-02-15 1992-02-14 Tonwiedergabesystem

Country Status (6)

Country Link
EP (1) EP0571455B1 (de)
JP (1) JPH06506092A (de)
AT (1) ATE211600T1 (de)
DE (1) DE69232327T2 (de)
GB (1) GB9103207D0 (de)
WO (1) WO1992015180A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5291557A (en) * 1992-10-13 1994-03-01 Dolby Laboratories Licensing Corporation Adaptive rematrixing of matrixed audio signals
DE4440014C2 (de) * 1994-11-09 2002-02-07 Deutsche Telekom Ag Verfahren und Vorrichtung zur mehrkanaligen Tonwiedergabe
US5771295A (en) * 1995-12-26 1998-06-23 Rocktron Corporation 5-2-5 matrix system
US6198827B1 (en) 1995-12-26 2001-03-06 Rocktron Corporation 5-2-5 Matrix system
US6697491B1 (en) 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US6711266B1 (en) * 1997-02-07 2004-03-23 Bose Corporation Surround sound channel encoding and decoding
EP1013140B1 (de) * 1997-09-05 2012-12-05 Harman International Industries, Incorporated 5-2-5 matrix dekodierungssystem
US6072878A (en) 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics
KR100416757B1 (ko) * 1999-06-10 2004-01-31 삼성전자주식회사 위치 조절이 가능한 가상 음상을 이용한 스피커 재생용 다채널오디오 재생 장치 및 방법
CN1452851A (zh) * 2000-04-19 2003-10-29 音响方案公司 保持三维中的空间谐波的多通道环绕声母版制作和再现技术
AUPR253601A0 (en) * 2001-01-12 2001-02-08 Banko, Dinko Flange aligning tool
US7490044B2 (en) 2004-06-08 2009-02-10 Bose Corporation Audio signal processing
KR100725818B1 (ko) * 2004-07-14 2007-06-11 삼성전자주식회사 최적 가상음원을 제공하는 음향재생장치 및 음향재생방법
US7283634B2 (en) * 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
JP4887420B2 (ja) * 2006-03-13 2012-02-29 ドルビー ラボラトリーズ ライセンシング コーポレイション 中央チャンネルオーディオのレンダリング
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
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
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
US20100331048A1 (en) * 2009-06-25 2010-12-30 Qualcomm Incorporated M-s stereo reproduction at a device
EP2523472A1 (de) 2011-05-13 2012-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren und Computerprogramm zur Erzeugung eines Stereoausgabesignals zur Bereitstellung zusätzlicher Ausgabekanäle
US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients
EP2830332A3 (de) * 2013-07-22 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren, Signalverarbeitungseinheit und Computerprogramm zur Zuordnung von Eingabekanälen einer Eingangskanalkonfiguration an Ausgabekanäle einer Ausgabekanalkonfiguration
DE102014100049A1 (de) 2014-01-05 2015-07-09 Kronoton Gmbh Verfahren zur Audiowiedergabe in einem Mehrkanaltonsystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5757763B2 (de) * 1974-11-29 1982-12-06 Nippon Columbia
GB2073556B (en) * 1980-02-23 1984-02-22 Nat Res Dev Sound reproduction systems
US5043970A (en) * 1988-01-06 1991-08-27 Lucasarts Entertainment Company Sound system with source material and surround timbre response correction, specified front and surround loudspeaker directionality, and multi-loudspeaker surround

Also Published As

Publication number Publication date
EP0571455A1 (de) 1993-12-01
EP0571455B1 (de) 2002-01-02
GB9103207D0 (en) 1991-04-03
WO1992015180A1 (en) 1992-09-03
JPH06506092A (ja) 1994-07-07
DE69232327T2 (de) 2002-08-22
ATE211600T1 (de) 2002-01-15

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee