JPS4979201A - - Google Patents

Info

Publication number
JPS4979201A
JPS4979201A JP47121039A JP12103972A JPS4979201A JP S4979201 A JPS4979201 A JP S4979201A JP 47121039 A JP47121039 A JP 47121039A JP 12103972 A JP12103972 A JP 12103972A JP S4979201 A JPS4979201 A JP S4979201A
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
JP47121039A
Other versions
JPS5527517B2 (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
Priority to JP12103972A priority Critical patent/JPS5527517B2/ja
Priority to GB5459473A priority patent/GB1430950A/en
Priority to US419933A priority patent/US3885099A/en
Priority to IT53976/73A priority patent/IT997688B/it
Priority to CA187,109A priority patent/CA982486A/en
Priority to DE2359862A priority patent/DE2359862A1/de
Priority to NL7316479A priority patent/NL7316479A/xx
Priority to FR7342786A priority patent/FR2209264B1/fr
Publication of JPS4979201A publication Critical patent/JPS4979201A/ja
Publication of JPS5527517B2 publication Critical patent/JPS5527517B2/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)
  • Amplifiers (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
JP12103972A 1972-12-01 1972-12-01 Expired JPS5527517B2 (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP12103972A JPS5527517B2 (ja) 1972-12-01 1972-12-01
GB5459473A GB1430950A (en) 1972-12-01 1973-11-23 Integrated logic circuit for the decoder of a multi-channel stereo apparatus
US419933A US3885099A (en) 1972-12-01 1973-11-29 Integrated logic circuit for the decoder of a multi-channel stereo apparatus
IT53976/73A IT997688B (it) 1972-12-01 1973-11-29 Apparecchio stereofonico a piu canali
CA187,109A CA982486A (en) 1972-12-01 1973-11-30 Integrated logic circuit for the decoder of a multi-channel stereo apparatus
DE2359862A DE2359862A1 (de) 1972-12-01 1973-11-30 Integrierte logikschaltung fuer den decoder eines mehrkanal-stereogeraetes
NL7316479A NL7316479A (ja) 1972-12-01 1973-11-30
FR7342786A FR2209264B1 (ja) 1972-12-01 1973-11-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12103972A JPS5527517B2 (ja) 1972-12-01 1972-12-01

Publications (2)

Publication Number Publication Date
JPS4979201A true JPS4979201A (ja) 1974-07-31
JPS5527517B2 JPS5527517B2 (ja) 1980-07-21

Family

ID=14801291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12103972A Expired JPS5527517B2 (ja) 1972-12-01 1972-12-01

Country Status (8)

Country Link
US (1) US3885099A (ja)
JP (1) JPS5527517B2 (ja)
CA (1) CA982486A (ja)
DE (1) DE2359862A1 (ja)
FR (1) FR2209264B1 (ja)
GB (1) GB1430950A (ja)
IT (1) IT997688B (ja)
NL (1) NL7316479A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589129A (en) * 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5339363A (en) * 1990-06-08 1994-08-16 Fosgate James W Apparatus for enhancing monophonic audio signals using phase shifters
US5666424A (en) * 1990-06-08 1997-09-09 Harman International Industries, Inc. Six-axis surround sound processor with automatic balancing and calibration
US5295189A (en) * 1990-06-08 1994-03-15 Fosgate James W Control voltage generator for surround sound processor
SG124306A1 (en) * 2005-01-20 2006-08-30 St Microelectronics Asia A system and method for expanding multi-speaker playback

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS518551B1 (ja) * 1970-07-09 1976-03-17
NL155157B (nl) * 1971-02-17 1977-11-15 Philips Nv Demodulatorschakeling voor het demoduleren van een op een draaggolf gemoduleerd videosignaal.
US3798373A (en) * 1971-06-23 1974-03-19 Columbia Broadcasting Syst Inc Apparatus for reproducing quadraphonic sound

Also Published As

Publication number Publication date
GB1430950A (en) 1976-04-07
FR2209264A1 (ja) 1974-06-28
JPS5527517B2 (ja) 1980-07-21
CA982486A (en) 1976-01-27
DE2359862A1 (de) 1974-06-12
FR2209264B1 (ja) 1979-08-03
US3885099A (en) 1975-05-20
IT997688B (it) 1975-12-30
NL7316479A (ja) 1974-06-05

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