Thread: Fcpx custom speed imperfection

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  1. #1 Fcpx custom speed imperfection 
    Senior Member
    Join Date
    Sep 2007
    So I shot 6k red raw at 75 fps on a 25 fps timebase, to be able to use both normal speed and slow motion. 'Normal' speed at 100 percent gets me smooth 3x slow motion. But when I use 'custom' speed, Fcpx will not allow precisely 300%, but adds a digit or two, so it becomes e.g. 300,07%. Why is this, and is there a solution?
    The Inclusion Center,
    Center for Rummelighed
    Copenhagen, Denmark
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  2. #2  
    Senior Member
    Join Date
    Apr 2007
    Los Angeles, CA
    It may be due to the number of frames in the clip. For example, if the clip is exactly 75 frames long, then 300% speed yields exactly 25 frames in the timeline. However, if the clip is 76 frames long, 300% speed would yield 25.333 frames in the timeline, which is not possible. So the actual adjusted speed is 304% (76 25), and FCP will display it as such. I've seen the same thing, and that's my guess.
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