NewHome › Forums › OSSC, OSSC Pro and DExx-vd isl › OSSC – Discussion and support › Capture Sizing and Aspect Ratio › Reply To: Capture Sizing and Aspect Ratio
OK, that’s useful. And just so I’m clear, the 390 (and 780) are constants, and those come from the default Rec.601 spec?
“So 858 samples for 704×480 -> 780 samples for square pixel 640×480 -> 390 samples for 320×240.”
^ you wrote that earlier in the thread, but just checking that 390 and 780 are constants across the board. Looks like 390 samples * 263 lines * 59.9x refresh rate = ~6.14mhz, which correlates with the 1:1 entry on your dot clock page.
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