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Activity Forums Adobe After Effects Jitter when using Posterize Time 12 on character inside comp with 24fps camera

  • Jitter when using Posterize Time 12 on character inside comp with 24fps camera

    Posted by Sanaz Taremian on December 22, 2025 at 4:45 pm

    Hi everyone,

    I’m animating a 2D character using Posterize Time at 12fps.

    The camera movement is 24fps.

    Structure:

    – Character comp: 8000×12000, Posterize Time on adjustment layer

    – Scene comp: 12000×16000 with 24fps camera move

    – Final comp: 1080×1920, 24fps

    The character itself has no position keyframes.

    Jitter appears only when the camera moves.

    I’ve tried:

    – Reducing comp sizes

    – PosterizeTime expression on camera null

    – Rounding position values

    Jitter is reduced but not eliminated.

    Is this a known limitation of AE’s sub-pixel sampling,

    or is there a proper workflow for 12fps characters with 24fps cameras?

    Thanks!

    John Martin
    replied 4 months, 3 weeks ago
    2 Members · 1 Reply
  • 1 Reply
  • John Martin

    December 22, 2025 at 5:46 pm

    hey bro! i have a juicy solution to show you but, before i proceed, please, show me a screen recording of the issue so i can adjust my instructions so they will 100% fix it on your side, talk soon!

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