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What is the best file format to convert an image sequence to 10-bit HD?
We have a K2 and are finishing a film in UC 10-bit 1080 23.98. The house that did the color correction missed some frames so I tried importing a TGA image sequence into QT Pro and exporting an mov. When I do this the files are too bright and a bit noisy. Is there a better file format to use? Another workaround others have found?
Thanks for your help.
Aaron Goddard
Bread & Butter Productions -
2 Replies
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I use PNG with no compression. They’re smaller than TGA files and it carries an Alpha Channel.
Going from a YUV to RGB codec will cause color shifts and such, though. I’ve been trying to figure a way around this myself as I need to export HD plates to Shake to have comp work done on ’em…they always come back slightly brighter and shifted green/yellow. In this case, though, I will send an Uncompressed 8- or 10-bit Quicktime to Shake, and the Shake artist will send back an Uncompressed 8- or 10-bit Quicktime of the finished shot.
-Pierson
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Aaron,
Are these image sequences going through the same path as the rest? Make sure you export from QT Pro into the same codec as your media. Do not make them a self-contained image sequence with the graphic codec. Make sure Max White = White, not SuperWhite and that you are in highest quality YUV render precision, not RGB. If you bring a graphic file, like a TIF or Targa into FCP, the image is brighter and levels in the 235-255 range on an 8-bit scale get clipped. This doesn’t happen if you export them into the correct codfec first before bringing them into FCP.
Sincerely,
OliverOliver Peters
Post-Production & Interactive Media
Orlando, FL
http://www.oliverpeters.com
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