JPS57500268A - - Google Patents

Info

Publication number
JPS57500268A
JPS57500268A JP50054881A JP50054881A JPS57500268A JP S57500268 A JPS57500268 A JP S57500268A JP 50054881 A JP50054881 A JP 50054881A JP 50054881 A JP50054881 A JP 50054881A JP S57500268 A JPS57500268 A JP S57500268A
Authority
JP
Japan
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.)
Granted
Application number
JP50054881A
Other versions
JPH0712240B2 (ja
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 filed Critical
Publication of JPS57500268A publication Critical patent/JPS57500268A/ja
Publication of JPH0712240B2 publication Critical patent/JPH0712240B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereophonic System (AREA)
JP56500548A 1980-02-23 1981-02-12 音響再生装置 Expired - Lifetime JPH0712240B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8006174 1980-02-23
GB8006174 1980-02-23
PCT/GB1981/000018 WO1981002502A1 (en) 1980-02-23 1981-02-12 Sound reproduction systems

Publications (2)

Publication Number Publication Date
JPS57500268A true JPS57500268A (ja) 1982-02-12
JPH0712240B2 JPH0712240B2 (ja) 1995-02-08

Family

ID=10511618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56500548A Expired - Lifetime JPH0712240B2 (ja) 1980-02-23 1981-02-12 音響再生装置

Country Status (7)

Country Link
US (1) US4414430A (ja)
EP (1) EP0046765B1 (ja)
JP (1) JPH0712240B2 (ja)
DE (1) DE3161567D1 (ja)
DK (1) DK153269C (ja)
GB (1) GB2073556B (ja)
WO (1) WO1981002502A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007053624A (ja) * 2005-08-18 2007-03-01 Nippon Hoso Kyokai <Nhk> ダウンミックス装置およびダウンミックスプログラム
JP2014523172A (ja) * 2011-06-30 2014-09-08 トムソン ライセンシング 高次Ａｍｂｉｓｏｎｉｃｓ表現に含まれるサウンドオブジェクトの相対位置を変更する方法と装置

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US5274740A (en) * 1991-01-08 1993-12-28 Dolby Laboratories Licensing Corporation Decoder for variable number of channel presentation of multidimensional sound fields
US5594800A (en) * 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
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
CN1037891C (zh) * 1992-06-11 1998-03-25 赵维援 多声道音频功率放大集成电路
US5319713A (en) * 1992-11-12 1994-06-07 Rocktron Corporation Multi dimensional sound circuit
US5708719A (en) * 1995-09-07 1998-01-13 Rep Investment Limited Liability Company In-home theater surround sound speaker system
US6118876A (en) * 1995-09-07 2000-09-12 Rep Investment Limited Liability Company Surround sound speaker system for improved spatial effects
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
US6072878A (en) * 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics
WO2005117483A1 (en) * 2004-05-25 2005-12-08 Huonlabs Pty Ltd Audio apparatus and method
US20120155650A1 (en) * 2010-12-15 2012-06-21 Harman International Industries, Incorporated Speaker array for virtual surround rendering
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369813A (en) * 1971-02-02 1974-10-09 Nat Res Dev Reproduction of sound
GB1494751A (en) * 1974-03-26 1977-12-14 Nat Res Dev Sound reproduction systems
GB1550627A (en) * 1975-11-13 1979-08-15 Nat Res Dev Sound reproduction systems
US4095049A (en) * 1976-03-15 1978-06-13 National Research Development Corporation Non-rotationally-symmetric surround-sound encoding system
GB1548674A (en) * 1976-07-01 1979-07-18 Nat Res Dev Sound reproduction systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007053624A (ja) * 2005-08-18 2007-03-01 Nippon Hoso Kyokai <Nhk> ダウンミックス装置およびダウンミックスプログラム
JP2014523172A (ja) * 2011-06-30 2014-09-08 トムソン ライセンシング 高次Ａｍｂｉｓｏｎｉｃｓ表現に含まれるサウンドオブジェクトの相対位置を変更する方法と装置

Also Published As

Publication number Publication date
JPH0712240B2 (ja) 1995-02-08
EP0046765B1 (en) 1983-12-07
US4414430A (en) 1983-11-08
GB2073556A (en) 1981-10-14
EP0046765A1 (en) 1982-03-10
DK153269C (da) 1988-11-21
DE3161567D1 (en) 1984-01-12
WO1981002502A1 (en) 1981-09-03
GB2073556B (en) 1984-02-22
DK153269B (da) 1988-06-27
DK411381A (da) 1981-09-16

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