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Matching video rates
I have a sequence and I just realized by some help offered on this site that i have one clip that has a different video rate than the rest. The sequence and most of the clips are 30fps and a single video clip (something I converted from a pal clip) is 29.97.
So, I want to match the single clip to the rest since is already edited in the sequence, so I opened the actual qt file and export a new one at 30fps replacing the old one.
I’m doing that as I’m writing this email and while i keep editing the sequence on fcp and I wonder how come I can still see the clip on my timeline. It’s been replace by a new one with different video rate, shouldn’t it go offline? Does this really work or something bad is about to happen?
best,
pc -
6 Replies
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[pedro casais] ”
So, I want to match the single clip to the rest since is already edited in the sequence, so I opened the actual qt file and export a new one at 30fps replacing the old one. “
So you exported your QT 29,97 as 30fps in QT?
QT have no capabilities to manage Time bases.
What you get is the same that if you let the 29,97 clip in the 30fps sequence. No.
Don’t export it like that. Conform it.
rafael -
—-So, I want to match the single clip to the rest since is already edited in the sequence, so I opened the actual qt file and export a new one at 30fps replacing the old one. ”
So you exported your QT 29,97 as 30fps in QT?****I did and it did replace the old one.
–QT have no capabilities to manage Time bases.
**** I did switch to 30fps, the option was there on the advance ntsc dv compression.
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Yes you can do it, but is a very little recommendable way to do it.
Is just about the quality you want to achieve in your final product.
No different than cooking.
Rafael -
Rafa, I love cooking but trouble shooting compression stuff is not as fun, wine doesn’t help either.
Let me ask, when I match frame from the canvas to the viewer I noticed that the frame seems to be just a little bit streched on the canvas, what setting could that be? the one where you choose the aspect ratio?
best,
pc -
29.97 is 30. 30 is 29.97. NTSC video…ALL NTSC video that is 30fps actually plays at 29.97fps.
Shane
GETTING ORGANIZED WITH FINAL CUT PRO DVD…don’t miss it.
Read my blog, Little Frog in High Def -
[Shane Ross] “29.97 is 30. 30 is 29.97. NTSC video…ALL NTSC video that is 30fps actually plays at 29.97fps. “
Except in the case of 720p/30. That really is 30 progressive frames per second and has to be put into a 30fps timeline. I actually hate this particular format / frame rate the most.
Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.STOP STARING AND START GRADING WITH APPLE COLOR Apple Color Training DVD available now!
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