JPS6481485A - Color video signal magnetic recording and reproducing device - Google Patents
Color video signal magnetic recording and reproducing deviceInfo
- Publication number
- JPS6481485A JPS6481485A JP62238199A JP23819987A JPS6481485A JP S6481485 A JPS6481485 A JP S6481485A JP 62238199 A JP62238199 A JP 62238199A JP 23819987 A JP23819987 A JP 23819987A JP S6481485 A JPS6481485 A JP S6481485A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- converter
- jitter
- demodulator
- memory
- 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
Links
Abstract
PURPOSE:To obtain a signal close to a luminance signal without chrominance subcarrier component by A/D-converting an input, writing the result in a memory, reading it to obtain a pseudo component signal, applying D/A conversion and FM modulation and recording the resulting signal onto a magnetic tape. CONSTITUTION:An FM demodulator 28 outputs the regenerating signal obtained by FM demodulating an incoming output FM regenerating signal to an A/D- converter 10 and a synchronizing signal separator 11 respectively. A signal extracted from the FM demodulator 28 is sampled by using a sampling frequency 4fsc at an A/D converter 10 and the result is A/D-converted. Since signal processing is applied to signals including jitter in the A/D converter 10 and a memory of an adjacent line inverse scanning converter 32, then no effect of jitter attended with the signal processing is given. Then a digital data is read by using a readout address generated based on a reference clock in a D/A converter 16 and an adjacent line inverse scanning converter 32 not including jitter is obtained.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62238199A JPS6481485A (en) | 1987-09-22 | 1987-09-22 | Color video signal magnetic recording and reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62238199A JPS6481485A (en) | 1987-09-22 | 1987-09-22 | Color video signal magnetic recording and reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6481485A true JPS6481485A (en) | 1989-03-27 |
Family
ID=17026627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62238199A Pending JPS6481485A (en) | 1987-09-22 | 1987-09-22 | Color video signal magnetic recording and reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6481485A (en) |
-
1987
- 1987-09-22 JP JP62238199A patent/JPS6481485A/en active Pending
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