JPS5792410A - Pcm recorder and reproducer - Google Patents

Pcm recorder and reproducer

Info

Publication number
JPS5792410A
JPS5792410A JP16731380A JP16731380A JPS5792410A JP S5792410 A JPS5792410 A JP S5792410A JP 16731380 A JP16731380 A JP 16731380A JP 16731380 A JP16731380 A JP 16731380A JP S5792410 A JPS5792410 A JP S5792410A
Authority
JP
Japan
Prior art keywords
track
circuit
recorded
recording
signal
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
JP16731380A
Other languages
Japanese (ja)
Inventor
Yoshiji Kusunoki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP16731380A priority Critical patent/JPS5792410A/en
Publication of JPS5792410A publication Critical patent/JPS5792410A/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)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

PURPOSE:To eliminate an erasing circuit and a bias circuit by adapting a delta M modulation and demodulation system as a recording and reproduction system for a CUE signal which is recorded on the 2nd track of a recording medium in parallel to the 1st track and then reproduced. CONSTITUTION:On the 1st track of a recording medium, an audio signal is recorded on PCM basis through a PCM recording circuit and on the 2nd track, the same audio signal as that recorded on the 1st track is recorded in parallel to the 1st track by being modulated on delta M basis through a delta M modulating circuit 16. For reproduction, the audio signals recorded on the 1st and 2nd tracks are reproduced separately and during normal sound reproduction, a signal reproduced from the 1st track through a PCM reproducing circuit 7 is used. For a search for the beginning, etc., of a recording position of the recording medium, a signal reproduced from the 2nd track through a CUE reproducing circuit 20 is used as a CUE signal. Consequently, it is unnecessary to erase the recording contents of the medium in advance, eliminating an erasing circuit, etc.
JP16731380A 1980-11-25 1980-11-25 Pcm recorder and reproducer Pending JPS5792410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16731380A JPS5792410A (en) 1980-11-25 1980-11-25 Pcm recorder and reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16731380A JPS5792410A (en) 1980-11-25 1980-11-25 Pcm recorder and reproducer

Publications (1)

Publication Number Publication Date
JPS5792410A true JPS5792410A (en) 1982-06-09

Family

ID=15847427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16731380A Pending JPS5792410A (en) 1980-11-25 1980-11-25 Pcm recorder and reproducer

Country Status (1)

Country Link
JP (1) JPS5792410A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142620A2 (en) * 1983-08-17 1985-05-29 TELEFUNKEN Fernseh und Rundfunk GmbH Method of recording PCM audio transmission signals with signal error compensation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0142620A2 (en) * 1983-08-17 1985-05-29 TELEFUNKEN Fernseh und Rundfunk GmbH Method of recording PCM audio transmission signals with signal error compensation

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