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Getting Flutter when slowing down footage.
I’m working on a spot in FCP 6 with footage that was shot on a Canon 6D in H264 in a mode called ALL-I. It was shot 1920 x 1080 at 29.97fps
I converted the footage in Compressor to Apple ProRes and kept it at 1920 x 1080 at 29.97fps.
The footage looks great at normal speed but when I try to slow it down I get a bad flutter.
My time line is 1920 x 1080 at 29.97fps Apple ProRes.
What can I do to get rid of this flutter. I tried De-Interlace, Flicker Free and Shift Fields and I can’t get rid of it.
Thanks for the help.
Steve Cohen
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4 Replies
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Depending on how much you slow-mo the flutter is normal, going under 30% will give you that effect. Frame blending can compensate some, but will start looking ugly at a certain point. You should try Twixtor to smooth that out. I use FCPX which has the option of optical flow that works very well.
“Always look on the bright side of life” – Monty Python
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Thanks. When I did 20% slowdown it looked OK, but I need to go slower than that. Like 50%.
I’ll take a look at Twixtor.
Steve Cohen
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da Vinci 10 lite (free) now has optical flow slo mo in its edit timeline. Motion also has optical flow slo mo. Lots of options for free although I have heard excellent reports about Twixtor.
Frame blending is one of those things that needs to be experimented with but FCP in general is not a good tool for slo mo speed changing
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I tried a demo version of Twixtor last night and it worked great.
It is expensive thought. I might try the others.Steve.
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