JPS5340501A - Reproducer of 4 channel stereo records - Google Patents

Reproducer of 4 channel stereo records

Info

Publication number
JPS5340501A
JPS5340501A JP6399876A JP6399876A JPS5340501A JP S5340501 A JPS5340501 A JP S5340501A JP 6399876 A JP6399876 A JP 6399876A JP 6399876 A JP6399876 A JP 6399876A JP S5340501 A JPS5340501 A JP S5340501A
Authority
JP
Japan
Prior art keywords
channel stereo
reproducer
stereo records
records
channel
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
JP6399876A
Other languages
Japanese (ja)
Inventor
Yoshio Osakabe
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP6399876A priority Critical patent/JPS5340501A/en
Publication of JPS5340501A publication Critical patent/JPS5340501A/en
Pending 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
    • H04S3/006—Systems employing more than two channels, e.g. quadraphonic in which a plurality of audio signals are transformed in a combination of audio signals and modulated signals, e.g. CD-4 systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)

Abstract

PURPOSE:Either 4-channel stereo or 2-channel stereo reproduction circuits is selected and the improvement in stereo feel and presence is achieved by detecting the presence or not of a frequency modulation signal.
JP6399876A 1976-06-01 1976-06-01 Reproducer of 4 channel stereo records Pending JPS5340501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6399876A JPS5340501A (en) 1976-06-01 1976-06-01 Reproducer of 4 channel stereo records

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6399876A JPS5340501A (en) 1976-06-01 1976-06-01 Reproducer of 4 channel stereo records

Publications (1)

Publication Number Publication Date
JPS5340501A true JPS5340501A (en) 1978-04-13

Family

ID=13245433

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6399876A Pending JPS5340501A (en) 1976-06-01 1976-06-01 Reproducer of 4 channel stereo records

Country Status (1)

Country Link
JP (1) JPS5340501A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790500A (en) * 1991-02-19 1998-08-04 Canon Kabushiki Kaisha Apparatus for recording/reproducing converted four-channel audio signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5790500A (en) * 1991-02-19 1998-08-04 Canon Kabushiki Kaisha Apparatus for recording/reproducing converted four-channel audio signals

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