JPS5943880B2 - 音響再生装置用デコ−ダ - Google Patents

音響再生装置用デコ−ダ

Info

Publication number
JPS5943880B2
JPS5943880B2 JP50037386A JP3738675A JPS5943880B2 JP S5943880 B2 JPS5943880 B2 JP S5943880B2 JP 50037386 A JP50037386 A JP 50037386A JP 3738675 A JP3738675 A JP 3738675A JP S5943880 B2 JPS5943880 B2 JP S5943880B2
Authority
JP
Japan
Prior art keywords
signal
signals
speakers
gain
decoder
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
JP50037386A
Other languages
English (en)
Japanese (ja)
Other versions
JPS50131501A (en]
Inventor
アンソニ− ジヤ−ゾン マイケル
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.)
NAT RES DEV
Original Assignee
NAT RES DEV
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 NAT RES DEV filed Critical NAT RES DEV
Publication of JPS50131501A publication Critical patent/JPS50131501A/ja
Publication of JPS5943880B2 publication Critical patent/JPS5943880B2/ja
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)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP50037386A 1974-03-26 1975-03-26 音響再生装置用デコ−ダ Expired JPS5943880B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1329274 1974-03-26
GB13292/74A GB1494751A (en) 1974-03-26 1974-03-26 Sound reproduction systems

Publications (2)

Publication Number Publication Date
JPS50131501A JPS50131501A (en]) 1975-10-17
JPS5943880B2 true JPS5943880B2 (ja) 1984-10-25

Family

ID=10020311

Family Applications (2)

Application Number Title Priority Date Filing Date
JP50037386A Expired JPS5943880B2 (ja) 1974-03-26 1975-03-26 音響再生装置用デコ−ダ
JP59117438A Granted JPS6022898A (ja) 1974-03-26 1984-06-07 音響再生装置用デコ−ダ

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP59117438A Granted JPS6022898A (ja) 1974-03-26 1984-06-07 音響再生装置用デコ−ダ

Country Status (10)

Country Link
US (1) US3997725A (en])
JP (2) JPS5943880B2 (en])
CA (1) CA1020095A (en])
CH (2) CH617303A5 (en])
DE (1) DE2512287A1 (en])
DK (1) DK120075A (en])
FR (1) FR2266411B1 (en])
GB (1) GB1494751A (en])
IT (1) IT1034536B (en])
NL (1) NL181068C (en])

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085291A (en) * 1971-10-06 1978-04-18 Cooper Duane H Synthetic supplementary channel matrix decoding systems
US4086433A (en) * 1974-03-26 1978-04-25 National Research Development Corporation Sound reproduction system with non-square loudspeaker lay-out
GB1512514A (en) * 1974-07-12 1978-06-01 Nat Res Dev Microphone assemblies
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
GB2073556B (en) 1980-02-23 1984-02-22 Nat Res Dev Sound reproduction systems
DE3734084A1 (de) * 1987-10-08 1989-04-27 Inst Rundfunktechnik Gmbh Verfahren zum wiedergeben mehrkanaliger tonsignale
JPH05191899A (ja) * 1992-01-16 1993-07-30 Pioneer Electron Corp ステレオサラウンド装置
US5757927A (en) * 1992-03-02 1998-05-26 Trifield Productions Ltd. Surround sound apparatus
US5754663A (en) * 1995-03-30 1998-05-19 Bsg Laboratories Four dimensional acoustical audio system for a homogeneous sound field
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
US5677957A (en) * 1995-11-13 1997-10-14 Hulsebus; Alan Audio circuit producing enhanced ambience
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
US20060215859A1 (en) * 2005-03-28 2006-09-28 Morrow Charles G Sonic method and apparatus
US9197978B2 (en) * 2009-03-31 2015-11-24 Panasonic Intellectual Property Management Co., Ltd. Sound reproduction apparatus and sound reproduction method
US9020152B2 (en) * 2010-03-05 2015-04-28 Stmicroelectronics Asia Pacific Pte. Ltd. Enabling 3D sound reproduction using a 2D speaker arrangement
US8593219B1 (en) * 2012-08-31 2013-11-26 Motorola Solutions, Inc. Method and apparatus for amplifying a radio frequency signal
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning
US10251012B2 (en) 2016-06-07 2019-04-02 Philip Raymond Schaefer System and method for realistic rotation of stereo or binaural audio
CN109618275B (zh) * 2018-12-29 2020-11-17 武汉轻工大学 多声道的非中心点声场重建方法、设备、存储介质及装置

Family Cites Families (10)

* 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
US3784746A (en) * 1971-07-06 1974-01-08 R Hess Single actuator for effecting multiple controls
US3830978A (en) * 1971-07-08 1974-08-20 Matsushita Electric Ind Co Ltd Circuit for mixing four audio input signals to produce four audio output signals
US3856992A (en) * 1971-10-06 1974-12-24 D Cooper Multidirectional sound reproduction
US3906156A (en) * 1971-10-06 1975-09-16 Duane H Cooper Signal matrixing for directional reproduction of sound
JPS5313962B2 (en]) * 1971-12-21 1978-05-13
JPS5210364B2 (en]) * 1972-05-02 1977-03-23
US3824342A (en) * 1972-05-09 1974-07-16 Rca Corp Omnidirectional sound field reproducing system
US3883692A (en) * 1972-06-16 1975-05-13 Sony Corp Decoder apparatus with logic circuit for use with a four channel stereo
JPS5236681B2 (en]) * 1972-11-30 1977-09-17

Also Published As

Publication number Publication date
NL7503576A (nl) 1975-09-30
JPH0137080B2 (en]) 1989-08-03
GB1494751A (en) 1977-12-14
DK120075A (en]) 1975-09-27
NL181068C (nl) 1987-06-01
JPS6022898A (ja) 1985-02-05
CH625660A5 (en]) 1981-09-30
DE2512287A1 (de) 1975-10-09
JPS50131501A (en]) 1975-10-17
US3997725A (en) 1976-12-14
DE2512287C2 (en]) 1988-04-07
CH617303A5 (en]) 1980-05-14
FR2266411B1 (en]) 1983-07-08
IT1034536B (it) 1979-10-10
FR2266411A1 (en]) 1975-10-24
CA1020095A (en) 1977-11-01

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