JPS6471278A - Video audio composite recording and reproducing device - Google Patents

Video audio composite recording and reproducing device

Info

Publication number
JPS6471278A
JPS6471278A JP62226274A JP22627487A JPS6471278A JP S6471278 A JPS6471278 A JP S6471278A JP 62226274 A JP62226274 A JP 62226274A JP 22627487 A JP22627487 A JP 22627487A JP S6471278 A JPS6471278 A JP S6471278A
Authority
JP
Japan
Prior art keywords
time axis
signal
video
circuit
audio 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
JP62226274A
Other languages
Japanese (ja)
Inventor
Mineo Mizukami
Toshio Sakamoto
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.)
NEC Home Electronics Ltd
NEC Corp
Original Assignee
NEC Home Electronics Ltd
Nippon 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 NEC Home Electronics Ltd, Nippon Electric Co Ltd filed Critical NEC Home Electronics Ltd
Priority to JP62226274A priority Critical patent/JPS6471278A/en
Publication of JPS6471278A publication Critical patent/JPS6471278A/en
Pending legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

PURPOSE:To apply composite recording of a video and an audio signal by applying time axis compression respectively to a digitized video and audio signal, applying time division multiplex and DA conversion so as to convert the signal into an analog signal and record the result. CONSTITUTION:A video signal from a tuner circuit 14 is digitized by an AD converter 15 and subject to time axis compression by a time axis compression circuit 16a. On the other hand, the audio signal is given to a time axis compression circuit 16b via a PCM processor 17 and a time base collector circuit 18. The video signal and audio signal subject to time axis compression are multiplexed while the one horizontal scanning period is subject to time division by a changeover switch 19, and converted into an analog signal by a DA converter 20 and recorded on a video track of a magnetic tape 4 via a recording and reproducing circuit 3 and a rotary head 5. The video signal and audio signal reproduced by a rotary head 4 and the recording and reproduction circuit 3 are subject to time axis expansion by time axis expansion circuits 24a, 24b.
JP62226274A 1987-09-11 1987-09-11 Video audio composite recording and reproducing device Pending JPS6471278A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62226274A JPS6471278A (en) 1987-09-11 1987-09-11 Video audio composite recording and reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62226274A JPS6471278A (en) 1987-09-11 1987-09-11 Video audio composite recording and reproducing device

Publications (1)

Publication Number Publication Date
JPS6471278A true JPS6471278A (en) 1989-03-16

Family

ID=16842640

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62226274A Pending JPS6471278A (en) 1987-09-11 1987-09-11 Video audio composite recording and reproducing device

Country Status (1)

Country Link
JP (1) JPS6471278A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139968A (en) * 1989-03-03 1992-08-18 Mitsubishi Denki Kabushiki Kaisha Method of producing a t-shaped gate electrode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5139968A (en) * 1989-03-03 1992-08-18 Mitsubishi Denki Kabushiki Kaisha Method of producing a t-shaped gate electrode

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