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Activity Forums Adobe After Effects 25 FPS to 24 FPS

  • 25 FPS to 24 FPS

    Posted by Dan Rapaport on December 4, 2008 at 7:13 pm

    Hello
    I suppose it’s already been discussed but if someone could help me in few lines … Thanx

    I’d like to change my movie 25 fps to 24 fps.
    How should I achieve that in AE? (Should I use the pull down?)

    Should I make a composition in 24 FPS and interpret my footage as 25 FPS and then apply a pulldown or …?

    Thanks

    Dan Rapaport replied 17 years, 5 months ago 3 Members · 4 Replies
  • 4 Replies
  • Kai Indvik

    December 4, 2008 at 7:34 pm

    try using Andrew Kramer’s FPS converter.
    you can download it and find a tutorial here:
    https://www.videocopilot.net/presets/frame_rate_converter/

    hope this helps

    Golf is a good walk spoiled
    ~Mark Twain

  • Dan Rapaport

    December 4, 2008 at 9:09 pm

    thanks 🙂
    will check both solutions

  • Chris Wright

    December 4, 2008 at 9:59 pm

    Timewarp misconceptions and Andrew Kramer’s plugin and workflow.

    Timewarp is actually Kronos from foundry. Here’s what they have to say about it.

    “Essentially, by ‘deinterlacing’ in this way you are losing half the vertical resolution of your clip.”

    ————————-

    To maintain this information in a accessible manner you need to pop your fielded clip in a composition of double the frame rate. Thus for our 25fps PAL DV clip, create a 50fps composition. Now when you look at composition frame 1 you see the lower field of frame 1 of the DV clip, looking at the composition frame 2 you see the upper field of frame 1 from the DV clip; comp frame 3 = lower field dv frame 2 and so forth.

    Using this double frame rate composition allows Kronos / Timewarp to access the information in the second field and thus give an improved retime result with less temporal and spacial smudging. Obviously, you can then drop this into a lower frame rate output comp and field as necessary. It’s a little difficult to show the improvement on a compressed static shot as much of it results in smoother temporal transitioning, but the below pics should give you some idea.

    from: (pics are included)
    —-
    https://209.85.173.132/search?q=cache:lGRi9AAfmZMJ:support.thefoundry.co.uk/cgi-bin/yabb2/YaBB.pl%3Fnum%3D1140098384/0+kronos+site:https://support.thefoundry.co.uk&hl=en&ct=clnk&cd=11&gl=us

    So, he’s losing vertical res. Essentially, by ‘deinterlacing’ in this way you are losing half the vertical resolution of your clip.

  • Dan Rapaport

    December 4, 2008 at 10:36 pm

    hummm
    interesting even if I go from 25p to 24p.
    I also didn’t know kronos was the current timewarp which is very nice indeed
    Will check too

    Thx

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