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Activity Forums Apple Final Cut Pro X Total FCPX Project Duration — Difference between FCPX and QT movie

  • Total FCPX Project Duration — Difference between FCPX and QT movie

    Posted by Bill Rabkin on July 14, 2016 at 5:48 pm

    I created an HD FCPX project in which the timeline is exactly 1:16:40 long. I share (export) a QuickTime movie using the H.264 codec. The resulting QT .mov is 1:16:44 long.

    A colleague and I have both found this to happen with several of our FCPX projects — the movie is always a few seconds longer than the project storyline in FCPX.

    We would appreciate any thoughts about what causes this discrepancy, and any workarounds.


    Paul Neumann replied 7 years, 11 months ago 4 Members · 3 Replies
  • 3 Replies
  • Jeremy Garchow

    July 15, 2016 at 3:56 pm

    Drop vs non-drop frame?

  • Doug Metz

    July 15, 2016 at 4:45 pm

    [Jeremy Garchow] “Drop vs non-drop frame?”

    That was my first thought, too.

    One way to check this:
    – open your project in FCP, change the ‘Time Display’ preference (under General tab) to Frames
    – check the bottom center of the interface to get a total frame count
    – open your exported file in QT7, and click on the time display in the lower left corner – change to Frame Number

    If those two numbers match, it’s a timecode issue. If they don’t…. well… that’s another kettle of fish!

    Doug Metz


  • Paul Neumann

    July 16, 2016 at 4:44 am

    1:16:40:00 of drop frame is 1:16:44:06 of non-drop.

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