DE3161567D1 - Sound reproduction systems - Google Patents

Sound reproduction systems

Info

Publication number
DE3161567D1
DE3161567D1 DE8181900334T DE3161567T DE3161567D1 DE 3161567 D1 DE3161567 D1 DE 3161567D1 DE 8181900334 T DE8181900334 T DE 8181900334T DE 3161567 T DE3161567 T DE 3161567T DE 3161567 D1 DE3161567 D1 DE 3161567D1
Authority
DE
Germany
Prior art keywords
sound reproduction
reproduction systems
systems
sound
reproduction
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
Application number
DE8181900334T
Other languages
English (en)
Inventor
Michael 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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of DE3161567D1 publication Critical patent/DE3161567D1/de
Expired 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)
  • 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)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Stereophonic System (AREA)
DE8181900334T 1980-02-23 1981-02-12 Sound reproduction systems Expired DE3161567D1 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
DE3161567D1 true DE3161567D1 (en) 1984-01-12

Family

ID=10511618

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181900334T Expired DE3161567D1 (en) 1980-02-23 1981-02-12 Sound reproduction systems

Country Status (7)

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

Families Citing this family (16)

* 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
GB9103207D0 (en) * 1991-02-15 1991-04-03 Gerzon Michael A Stereophonic sound reproduction system
US5594800A (en) * 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
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
US5930370A (en) * 1995-09-07 1999-07-27 Rep Investment Limited Liability In-home theater surround sound speaker system
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
US6072878A (en) * 1997-09-24 2000-06-06 Sonic Solutions Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics
EP1749420A4 (de) * 2004-05-25 2008-10-15 Huonlabs Pty Ltd Audioapparat und verfahren
JP4886242B2 (ja) * 2005-08-18 2012-02-29 日本放送協会 ダウンミックス装置およびダウンミックスプログラム
US20120155650A1 (en) * 2010-12-15 2012-06-21 Harman International Industries, Incorporated Speaker array for virtual surround rendering
EP2541547A1 (de) * 2011-06-30 2013-01-02 Thomson Licensing Verfahren und Vorrichtung zum Ändern der relativen Standorte von Schallobjekten innerhalb einer Higher-Order-Ambisonics-Wiedergabe
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

Also Published As

Publication number Publication date
EP0046765B1 (de) 1983-12-07
EP0046765A1 (de) 1982-03-10
JPS57500268A (de) 1982-02-12
US4414430A (en) 1983-11-08
GB2073556A (en) 1981-10-14
DK153269B (da) 1988-06-27
GB2073556B (en) 1984-02-22
WO1981002502A1 (en) 1981-09-03
DK411381A (da) 1981-09-16
DK153269C (da) 1988-11-21
JPH0712240B2 (ja) 1995-02-08

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