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  
    Join Date
    Apr 2007
    Boulder, Colorado
    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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