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Activity Forums Adobe After Effects 2 Movies… 2 Framerates!!!

  • 2 Movies… 2 Framerates!!!

    Posted by Joseph Wilkins on October 7, 2008 at 4:20 pm

    I have a movie given to me with NO AUDIO that was rendered by the client at 30 FPS.

    Then I was given the after effects timeline – containing the audio to that movie that is set at 23.98 fps.

    When I bring them into AE to synch up, they are off… I know this is the problem… I am just not sure how to fix it.

    I do not have access to render the original.. I have to work with what I have 🙁

    Can someone please help?

    THanks!

    Kevin Camp replied 17 years, 11 months ago 2 Members · 1 Reply
  • 1 Reply
  • Kevin Camp

    October 7, 2008 at 4:52 pm

    not only do you have 2 different frames rates, you have 2 frame rates that do not jive with broadcast standards… i think i’d ask to get a single file sent, with video and audio together.

    if that’s not possible, the first thing i’d do is go through the 30 fps footage frame by frame and see if it has a pulldown pattern… look for and alternating pattern of progressive frames and interlaced frames in a ration of 3 progressive to 2 interlaced frames. if you find that, then you should be able remove the pulldown to bring it back to 23.976 fps. to do that, select the 30 fps footage in the ae project window then choose file>interpret footage>main… set the frame rate to 29.97 fps, then click the guess 3:2 pulldown button. you’ll then need drag the footage onto the make comp icon and step through it to make sure the pulldown has been properly removed.

    if that works, then i’d conform the 23.98 footage to 23.976 fps using the interpret footage settings, now you can put the 2 together in the same comp.

    actually, you may also be able to simply conform the frame rate of the 30 fps footage to 29.97, conform the 23.98 footage to 23.976 fps, then drag them both onto the new comp icon, choose to use specs from the 30 fps (now 29.97) footage and see if the audio times up….

    Kevin Camp
    Senior Designer
    KCPQ, KMYQ & KRCW

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