Hi,

I have NTSC DV footage for which I mask/crop the top and bottom 80 pixels so
that I can use the projector y-motion to center the subject vertically
in the frame. It also gives it that cool widescreen look :)

But, I noticed that when I then do a frames to fields that the interlacing
order changes between successive fields. This is as one would expect as
the frame is moved vertically so some fields are bound to get shifted 
by an odd number of lines and some by an even number due to the
interpolation curve.

Is there a way to preserve the interlacing under such conditions? 

Alec


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