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February 8th, 2008, 01:03 PM
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#1 |
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Regular Crew
Join Date: Jan 2008
Location: Mooresville, NC
Posts: 49
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Trimming mpegs prior to pulldown removal = bad idea?
Cineform seems able, based on some quick tests, to do 24p extraction from 60i mpegs that have been losslessly trimmed.
Is that true? Or could trimming mpegs prior to Cineforming throw-off the 24p extraction --scary words like cadence, GOPs and field dominance come to mind. I know it's preferable to convert prior to cutting, but my shooting ratio is ridiculous, and it's quicker for me to scrub and trim in Womble, archive, then convert and fine-tune in Premiere/Aspect. *video is from a Canon HV20, btw, captured in HDLink. |
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February 8th, 2008, 01:28 PM
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#2 |
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CTO, CineForm Inc.
Join Date: Jul 2003
Location: Cardiff-by-the-Sea, California
Posts: 8,095
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If you trim with a good handle size (say 60 frames before and after your needs frames) than the pulldown can be exacted later if you use the individual trimmed M2T files. What can't be done, is exacting the pulldown from a flattened timeline (rendering cut and transitions in a single file at 60i), then expecting pulldown extraction to work.
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David Newman -- web: www.gopro.com blog: cineform.blogspot.com -- twitter: twitter.com/David_Newman |
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