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  1. 3rd Nov 2008 23:06 #1
    johnharlin
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    When converting frame size from Pal to NTFC, how do you decide on what compatible NTFC frame size to use?

    For example, say you have a Pal video at 352 x 288 at 29.97 frames/sec, would you convert it to the closest NTFC frame size which would be 352 x 240 or could you choose any compatible NTFC format like.
    352 x 480
    704 x 480
    720 x 480.
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  2. 3rd Nov 2008 23:53 #2
    edDV
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    It is NTSC.

    PAL should be 352x288 at 25fps not 29.97fps

    352x288 usually has an aspect ratio of 4:3 with non-square pixels.

    Equivalent for NTSC is 352x240. If you expand size 2x on the vertical and horizontal axies you get 704x480.

    352x480 is usually used for interlaced video.
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