Converting video of 4.3 ratio to 16.9 ratio: "Assuming you have NTSC at 720x480 ... you cut 60 from the top and 60 from the bottom so you have 720x360 then you resize from 720x360 to 720x480 and it is now 16x9 WS NTSC format.
Assuming you have PAL at 720x576 ... you cut 72 from the top and 72 from the bottom so you have 720x432 then you resize from 720x432 to 720x576 and it is now 16x9 WS PAL format."
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