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tedkunich: I know that I was able to resolve 5.5MHz out of my Pioneer DVL-919 deck with my Winfast card (CX23881 based) using S-Video doing my LD captures.
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aha, very interesting, thus creates your strong impression of the clarity of svideo, compared to my poor impression. Tell me, how did you make your measurements, and you're sure it was the color part only, not the luma which is also 6MHz for me as well?
This is very interesting, some kind of professional outboard adc/dac
http://www.aja.com/iofamilyspecs.html
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Video Output
IoLD: 8 or 10 bit SDI, SMPTE-259
IoLA:
Composite/S Video:
NTSC, NTSCJ, PAL
12 bit D/A, 8x oversampling
+/- .2 db to 5 MHz Y Frequency Response
+/- .2 db to 1 MHz C Frequency Response
.5% 2T pulse response
< 1% Diff Phase
< 1% Diff Gain
Component: SMPTE/EBU N10, Betacam 525 line, Betacam 525J, RGB
12 bit D/A, 8x oversampling
+/- .2 db to 5.5 MHz Y Frequency Response
+/- .2 db to 2.5 MHz C Frequency Response
.5% 2T pulse response
<1 ns Y/C delay inequity
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I'm not sure what that means as far as relative quality of svideo vs component, and why I measure >1MHz.