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Riddle me this – Slow motion quality
I’ve been an editor for years, but I’m still relatively new to Final Cut. I’m puzzled by something, and I’m wondering if anyone has any insight into what’s happening.
FCP 5.0.4, Working with 29.97 DV NTSC interlaced footage (so 60i) in a DV timeline. If I slow the speed on a clip to 50%, it flickers all to hell – Even with frame blending checked, it’s playing each full frame, both lines, twice, but in an order that makes it stutter. ie: It plays frame 1 lower, then frame one upper, then frame 1 lower AGAIN, then frame 1 upper AGAIN. Horrible.
BUT: If I *nest* the original footage, then set the nested sequence to 50% speed (with frame blending), it’s smooth as glass. Perfect slow-mo.
What gives? Obviously it’s a useable work-around, but I’d love to know why it’s treating the nested footage differently than the original clip. What other strange things could it be doing to my footage when I nest it…?
-Mike Jackson
Steam Powered Films -
3 Replies
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Is your footage (ahem) rendered? At full quality? And being viewed on an NTSC monitor?
Arnie
https://www.arniepix.com -
Make sure that your sequence setting hasn’t somehow reverted to “Filed Dominance: None” It should be set to Lower for NTSC DV.
Michael Alberts
Ambidextrous Productions, Inc. -
Hahaha – Very interesting! I’ve just been looking at it unrendered (Unlimited RT). But here’s how it breaks down with further analysis –
Original footage flickers in RT, but plays fine if rendered (hooray!)
Nested footage plays *perfectly* in RT, and looks identical when rendered.
So why would nesting allow smooth RT slow-mo *without* rendering, if it doesn’t work with the original footage? Crazy.
And yes, full-quality, viewed on an external NTSC monitor. And in answer to Michael Alberts, yes, field dominance is exactly as it should be…
-Mike Jackson
Steam Powered Films
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