JPS5316281B2 - - Google Patents

Info

Publication number
JPS5316281B2
JPS5316281B2 JP8911275A JP8911275A JPS5316281B2 JP S5316281 B2 JPS5316281 B2 JP S5316281B2 JP 8911275 A JP8911275 A JP 8911275A JP 8911275 A JP8911275 A JP 8911275A JP S5316281 B2 JPS5316281 B2 JP S5316281B2
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.)
Expired
Application number
JP8911275A
Other versions
JPS5136903A (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 JPS5136903A publication Critical patent/JPS5136903A/ja
Publication of JPS5316281B2 publication Critical patent/JPS5316281B2/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

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)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
JP8911275A 1971-03-15 1975-07-21 Expired JPS5316281B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00124135A US3821471A (en) 1971-03-15 1971-03-15 Apparatus for reproducing quadraphonic sound

Publications (2)

Publication Number Publication Date
JPS5136903A JPS5136903A (ja) 1976-03-29
JPS5316281B2 true JPS5316281B2 (ja) 1978-05-31

Family

ID=22412987

Family Applications (2)

Application Number Title Priority Date Filing Date
JP47024794A Expired JPS5110962B2 (ja) 1971-03-15 1972-03-13
JP8911275A Expired JPS5316281B2 (ja) 1971-03-15 1975-07-21

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP47024794A Expired JPS5110962B2 (ja) 1971-03-15 1972-03-13

Country Status (8)

Country Link
US (1) US3821471A (ja)
JP (2) JPS5110962B2 (ja)
BE (2) BE780710R (ja)
CA (1) CA978860A (ja)
DE (1) DE2209424C3 (ja)
FR (2) FR2130305B2 (ja)
GB (1) GB1387874A (ja)
NL (1) NL7203169A (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5645358B2 (ja) * 1973-11-29 1981-10-26
JPS5424841B2 (ja) * 1974-02-26 1979-08-24
GB1514162A (en) * 1974-03-25 1978-06-14 Ruggles W Directional enhancement system for quadraphonic decoders
US3937885A (en) * 1974-09-06 1976-02-10 Motorola, Inc. Control circuit for a matrixed four channel audio reproducing system
US4018992A (en) * 1975-09-25 1977-04-19 Clifford H. Moulton Decoder for quadraphonic playback
GB1550627A (en) * 1975-11-13 1979-08-15 Nat Res Dev Sound reproduction systems
JPS5827645B2 (ja) * 1977-11-24 1983-06-10 株式会社日立製作所 静止誘導機器
US4799260A (en) * 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US5046098A (en) * 1985-03-07 1991-09-03 Dolby Laboratories Licensing Corporation Variable matrix decoder with three output channels
US4941177A (en) * 1985-03-07 1990-07-10 Dolby Laboratories Licensing Corporation Variable matrix decoder
US7251337B2 (en) * 2003-04-24 2007-07-31 Dolby Laboratories Licensing Corporation Volume control in movie theaters
KR101133944B1 (ko) * 2004-06-28 2012-04-13 아지노모토 가부시키가이샤 영양 조성물 및 소화관 기능 저하 예방?개선용 조성물
JP4835298B2 (ja) * 2006-07-21 2011-12-14 ソニー株式会社 オーディオ信号処理装置、オーディオ信号処理方法およびプログラム
US11039263B2 (en) * 2019-05-29 2021-06-15 Mark Petrouske Wide effect sound producing method

Also Published As

Publication number Publication date
GB1387874A (en) 1975-03-19
FR2130306B2 (ja) 1977-12-23
BE780710R (fr) 1972-09-15
NL7203169A (ja) 1972-09-19
JPS5136903A (ja) 1976-03-29
JPS5110962B2 (ja) 1976-04-08
DE2209424B2 (de) 1978-01-26
DE2209424C3 (de) 1978-09-28
JPS4849401A (ja) 1973-07-12
US3821471A (en) 1974-06-28
FR2130306A2 (ja) 1972-11-03
FR2130305B2 (ja) 1979-04-27
DE2209424A1 (de) 1972-09-28
FR2130305A2 (ja) 1972-11-03
BE780711R (fr) 1972-09-15
CA978860A (en) 1975-12-02

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