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59.94 FPS slowed to 66.6% - frame "ghosting"

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Nick Hennessey
59.94 FPS slowed to 66.6% - frame "ghosting"
on Jul 15, 2012 at 1:44:08 am

I am working in the old FCP with footage from a Canon 60D that was shot at 59.94 FPS. It's for a music video that's supposed to be in Slow Motion. The speed of the footage is supposed to be 66.6% - a weird number because the music was sped up to 150% of it's original speed - but when I slow it to 66.6% I'm getting constant "ghost" frames.

I'm wondering a few things:

1. Did I screw up with confining my footage to 66% speed? I'm looking around at other tutorials and when testing the slow mo effect people seem to slow to 50% or 25% speeds.

2. What frame rate should my sequence be at? I thought if it was 29.97 each "original" frame would show for 2 frames, in other words moving the footage forward with the direction arrows would take twice as long, or take two presses to skip each frame. I think I figured that out though - that would only work if the video is slowed down to a clean 50%, right?

3. Can I fix this through motion blending? I get the impression that I can based on an old thread ( but I'm not sure if I should reoutput the clips in AE with at 29.97 with frame blending (as suggested by Richard Harrington) or if there's something I can do in FCP to correct this.

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