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Interlace Combing – Aaargh!
Hi everyone!
I posted before about this and thought I fixed it – and then realized it really wasn’t fixed.
I am experiencing absurd amounts of Interlace Combing in my progressively filmed footage.
Image 1 & 2 below:
Filmed: Panasonic SDX900, 24p
Captured: FCP to 10-bit Uncompressed via Kona3 cardImage 3 below:
Filmed: Panasonic Varicam, 24p, 720p
Captured: FCP to DV50 via Firewire with one of those humongous DVCPRO HD decks with a $10K Firewire card upgrade thingThe strange thing is that 720p footage from an HDX200’s P2 card looks beautiful and has NO interlace combing – on the same timeline.
Can someone help? Thanks so much ahead of time!
In case the pictures aren’t showing up, here are the links:
https://www.danhack.com/Combing1.jpg
https://www.danhack.com/Combing2.jpg
https://www.danhack.com/Combing3.jpg -
2 Replies
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You are aware of how 24p works in SD right? It gets recorded with pulldown so that it conforms to 29.97.
If you captured your Varicam material @ dv50 (SD) then it probably got downconverted that way. At some point something is going to get interlaced. If you need progressive capture, capture HD @ 720p or remove the pulldown and work at true 24p.
Jeremy
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Anytime you see an interlaced frame in progressive footage – then some type of pulldown pattern is being applied. I’m not super familiar specifically with the cameras you shot with and it’s possible pulldown was added depending on how you captured it… but it sounds to be like you’re going to have to manually remove the pulldown.
My only experience with manually removing pulldown was when I edited some stuff that was shot in 24PA on a Panasonic DVX-100. I didn’t remove the pulldown on capture (I captured it 29.97) so I had to use Cinema Tools to do it. You might have to use cinema tools or something similar – or possibly recapture depending on whether or not that was when the pulldown was added.
Good luck!
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Paul Escandon
Producer | Director | Editor
Apple Certified Trainer – Final Cut Pro
Oremus Productions
http://www.oremusproductions.com
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Adjunct Professor of Media
John Paul the Great Catholic University
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