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JPS5287903A - 4-channel broadcast system - Google Patents

4-channel broadcast system

Info

Publication number
JPS5287903A
JPS5287903A JP483176A JP483176A JPS5287903A JP S5287903 A JPS5287903 A JP S5287903A JP 483176 A JP483176 A JP 483176A JP 483176 A JP483176 A JP 483176A JP S5287903 A JPS5287903 A JP S5287903A
Authority
JP
Japan
Prior art keywords
broadcast system
channel broadcast
channel
broadcasting
turning
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.)
Pending
Application number
JP483176A
Other languages
Japanese (ja)
Inventor
Kenji Nakazawa
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP483176A priority Critical patent/JPS5287903A/en
Publication of JPS5287903A publication Critical patent/JPS5287903A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Algebra (AREA)
  • Multimedia (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

PURPOSE:To obtain perfect isolation for demodulation output by turning 4-channel source into 3-channel in broadcasting.
JP483176A 1976-01-19 1976-01-19 4-channel broadcast system Pending JPS5287903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP483176A JPS5287903A (en) 1976-01-19 1976-01-19 4-channel broadcast system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP483176A JPS5287903A (en) 1976-01-19 1976-01-19 4-channel broadcast system

Publications (1)

Publication Number Publication Date
JPS5287903A true JPS5287903A (en) 1977-07-22

Family

ID=11594632

Family Applications (1)

Application Number Title Priority Date Filing Date
JP483176A Pending JPS5287903A (en) 1976-01-19 1976-01-19 4-channel broadcast system

Country Status (1)

Country Link
JP (1) JPS5287903A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4714726Y1 (en) * 1968-11-26 1972-05-26
JPS4962987U (en) * 1972-09-12 1974-06-03
JPS5010140U (en) * 1973-05-25 1975-02-01

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4714726Y1 (en) * 1968-11-26 1972-05-26
JPS4962987U (en) * 1972-09-12 1974-06-03
JPS5010140U (en) * 1973-05-25 1975-02-01

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