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Pixel Aspect Ratio Clarification

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Adrian Scherger
Pixel Aspect Ratio Clarification
on Jun 15, 2016 at 6:07:36 pm

My apologies if this is posted somewhere but I could not find this specific issue:

Given that 640x480 is 4:3 with 1:1 pixel aspect ratio,
if I have dv (sd) NTSC footage with a resolution 720x480, shouldn't I get about 640 when I multiple 720 times .91?

I know that sd pixels are squeezed horizontally at a pixel aspect ratio of .91 to fit on a 4:3 screen, but the math is not making sense.

Thank you for your time,
Adrian


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