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Film to Video — interpret footage problem
I have some footage that was shot on film, then transferred to video. Then it was edited in Avid, and exported as a quicktime (without pulldown removed) for me to work some magic on.
When I interpret the footage LFF and remove pulldown and then drag the footage into a new comp with framerate of 23.976, I can still see the fields. I’ve tried every “Remove Pulldown” setting in the Interpret footage box. Am I doing something wrong? I thought I was supposed to get whole frames when I did this.
Under “frame rate” I have conform to 29.97 checked– is this correct?Please Help!
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12 Replies
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When the footage is telecined, the pulldown is added in one go …. pretty much. But once the footage is cut, the pulldown is messed up, since the pulldown sequence is now rearranged, with the cuts starting at different points in the pulldown sequence.
So you or the editor need to cut up the footage into separate clips, then interpret each clip separately, since the pulldown will now be different for each clip.
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Normally, you interpret as 29.97, separated lower (or upper, depending on your footage) field first, with “remove pulldown” checked.
To check, alt(opt)-double-click on the footage in the project window, and step through it with the PageDn key. You should see one new complete frame with each click, moving normally forward. The footage should automatically be 23.976 now.
So you drag the clip onto the “new comp” button to make a 23.976 comp.Does that make sense?
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Yes, this is where I get confused, because when I interpreted the footage LFF, hit the “Guess 3:2 pulldown” button, and dragged the footage into a new comp, I can still see fields in the footage. So I’m getting my editor to export her cuts as seperate clips for me, and I will interpret each individually, and see if that works.
Thanks for the help! I’ll let you know if I have any more problems with it. -
Also confusing: I interpreted the footage just like regular (non-film) footage with LFF, 29.97 fps and no pulldown set, it looks fine. What does this mean?
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By “fine” I mean I’m not seeing any fields in the interpreted footage.
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Do the skip through with the PageDn key. Does the footage inch forward with each click of the PageDn key?
Are we sure this is 24 fps film telecined with pulldown? Maybe it was 30 fps film?
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Well, when I look at the footage uninterpreted, I see studder frames 2 at a time, and whole frames 3 at a time. Would this still happen if it were 30 fps film?
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[Steve Roberts] “So you or the editor need to cut up the footage into separate clips, then interpret each clip separately, since the pulldown will now be different for each clip.”
FYI, in addition to deinterlacing, our FieldsKit product has a plugin that allows you to remove pulldown and change the cadence at each cut of a clip without having to cut up the clips first and interpret and then glue back together. Basically you can do this by animating the Pulldown Phase of the plugin. More info on FieldsKit here: https://www.revisionfx.com/rsfk.htm (a free demo verison is available in the Downloads subsection for FieldsKit)
Pete Litwinowicz
RE:Vision Effects, Inc.
https://www.revisionfx.com -
Nope. You have 24 fps film. 🙂
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Yes, we have the FeildsKit plugins here- I’m trying it now, but I’ve got to say, I’m finding the Pulldown plugin pretty hard to use. It’s too bad there isn’t a “guess” button like AE has. The trial and error method is tedious.
Is there an easier way to use this plugin?
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