JPS57210410A - Discoidal information recording medium and its reproducing device - Google Patents

Discoidal information recording medium and its reproducing device

Info

Publication number
JPS57210410A
JPS57210410A JP56096353A JP9635381A JPS57210410A JP S57210410 A JPS57210410 A JP S57210410A JP 56096353 A JP56096353 A JP 56096353A JP 9635381 A JP9635381 A JP 9635381A JP S57210410 A JPS57210410 A JP S57210410A
Authority
JP
Japan
Prior art keywords
sound signals
frequency
dropout
signal
recording medium
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
JP56096353A
Other languages
Japanese (ja)
Inventor
Hiroyuki Sugiyama
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP56096353A priority Critical patent/JPS57210410A/en
Publication of JPS57210410A publication Critical patent/JPS57210410A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1803—Error detection or correction; Testing, e.g. of drop-outs by redundancy in data representation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

PURPOSE:To compensate a dropout, etc., by delaying sound signals of respective channels relatively by certain time each when recording a video signal and multichannel sound signals on the same track. CONSTITUTION:The figure shows an arrangement relation among sound signals having been recorded, and also shows order at a one horizontal scanning (1H) period part. Part of one main track is shown therein, and a frequency-division multiplex signal of frequency-modulated sound signals of two channels and a composite color video signal is frequency-modulated and recorded, but only sound signals CH1 and CH2 are shown while the CH2 is delayed relatively behind the CH1 by 1H. A reproducing circuit is provided with a dropout detecting circuit and when a dropout is generated, the signal delayed by 1H is led out as a sound playback signal through a switching circuit.
JP56096353A 1981-06-22 1981-06-22 Discoidal information recording medium and its reproducing device Pending JPS57210410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56096353A JPS57210410A (en) 1981-06-22 1981-06-22 Discoidal information recording medium and its reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56096353A JPS57210410A (en) 1981-06-22 1981-06-22 Discoidal information recording medium and its reproducing device

Publications (1)

Publication Number Publication Date
JPS57210410A true JPS57210410A (en) 1982-12-24

Family

ID=14162626

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56096353A Pending JPS57210410A (en) 1981-06-22 1981-06-22 Discoidal information recording medium and its reproducing device

Country Status (1)

Country Link
JP (1) JPS57210410A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188011A (en) * 1975-01-29 1976-08-02
JPS5189710A (en) * 1975-02-05 1976-08-06 Kirokubaitai oyobi sonokirokuhoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5188011A (en) * 1975-01-29 1976-08-02
JPS5189710A (en) * 1975-02-05 1976-08-06 Kirokubaitai oyobi sonokirokuhoho

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