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Editing PAL footage with NTSC
Kinda confused here… your advice would be appreciated.
I have been given a PAL DVD (obviously 720×576, 25fps) and it has to be intercut with NTSC footage (720×486, 29.97fps). I’d like to do this in 10-bit uncompressed, although the final deliverable will be a DVD.
Is there a better way to do this than what I have done so far?
1. Use MPEGStreamclip to demux PAL DVD and create a 720×576 25fps QT Movie.
2. Bring into a NTSC 10-bit uncompressed timeline at 29.97fps
3. Use Nattress Concerter to convert to NTSC.This workflow works, of course, but some of the motion in the video is a bit funky… probably due to the 25fps to 29.97fps conversion.
Would my results improve by using Cinema Tools to change the frame rate?
Thanks in advance.
Bob O’Brien
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4 Replies
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Thanks for responding, Dave.
Yes, I’m watching on a Sony broadcast monitor.
I guess my thought was that I should use Cinema Tools to convert from 25fps to 23.98fps. Then, use that file with the Nattress filter to go to NTSC. I wasn’t sure if that would improve the quality when going to 29.97fps. (Isn’t that the way to go with 3:2 pulldown – even though 3:2 pulldown is not an issue here?).
Since posting, I tried it and really can’t tell if one if better than the other. Overall, the resulting video is pretty good. I just wanted to make sure there was nothing else I could do to improve on it.
Thanks.
Bob
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Good point.
Thanks.
Bob
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As Dave said: Only go the slow-down route if the footage is progressive. In that case you won’t need the Nattress conversion at all, just add 3:2 pulldown. Any professional audio software will be able to slow down the sound without pitch shift these days.
It’s going to look like all movies on TV are shown in the US or Japan
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The footage is progressive. My problem with adding 3:2 pulldown is that this footage must be intercut with aleady existing NTSC footage shot at 29.97fps.
Thanks Uli.
Bob
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