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Forums Adobe After Effects Frame rate manipulation

  • Frame rate manipulation

  • Lewis Hackett

    February 5, 2011 at 1:16 am

    Hey there, I am working on a project which requires some green-screen shot footage to be composited over old Archive footage to make it look like the actors are in the old scenes. I have matched everything correctly with colour correction and grain but I would like to simulate the same frame rate as the source footage.

    Unfortunately I do not have details of the original frame rates so everything is being calculated by eye, and the footage varies from 1853, 1898, 1946, 1948, 1951, and 1962.

    I have used re:vision twixtor before for altering frame rates but I was wondering if there is a simpler or easier solution for dropping frames without using plugins?

    Any help would be gratefully accepted, and unfortunately I cannot post the video sources as they are licensed.

    Cheers, Lewis

  • Simon Bonner

    February 5, 2011 at 1:28 pm

    Put your original footage into a precomp, lower the frame rate in that comp, then go into the Advanced composition settings (Composition > Composition Settings), and choose Preserve Frame Rate When Nested Or In Render Queue. I think this will give what you need.

    Simon Bonner

  • Lewis Hackett

    February 8, 2011 at 3:01 pm

    Thankyou Simon, that is exactly what I was looking for 🙂


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