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Activity Forums Adobe After Effects newbie—- need help to reduce rendering time

  • newbie—- need help to reduce rendering time

    Posted by Lindsey on April 29, 2005 at 12:07 am

    I am truely a newbie, and i’m sort of flying by the seat of my pants…

    I have a huge 2:50 animation with about 400 3d layers which i’m outputting to standard def 720×486….
    The animation is composed of hand drawn images made into .psd files and imported into photoshop. i’ve got it all looking great when i preview it, but my rendering time is more than 100 hours. How do i cut this down? I haven’t done any pre-rendering at all.

    should i be rendering my nested compositions? I tried doing that and i it rendered the background as well, and i need that to be transparents…

    HELP!

    please excuse my lack of knowledge. i’m trying to learn as i go along…

    lindsey

    Steve Stone replied 21 years, 1 month ago 2 Members · 1 Reply
  • 1 Reply
  • Steve Stone

    April 29, 2005 at 3:56 pm

    Depending on several things such as your drive/network speed where your imagery is being pulled from, pre-rendering your nested comps can actually slow your final render down if you are dealing with imagery of this large size especially if all of your pre-renders have alpha channels embedded. I suspect that your slow down might me that you are squashing the 2:50 comps down to 4:3, especially if your original .psd’s are large. You might try rendering your final comp at it’s native 2:50 res. to a photo jpeg QuickTime file, then
    bring your rendered .mov back in and squash it to 4:3. It seems weird but if you consider that AFX is rendering all of your layers and any applying effects at 2:50 then squashing that down, the hours will quickly add up. Also, if you are rendering with audio as well, wait until you render your 4:3 version to marry the video and audio. This will speed up the process and free up ram. I hope this helps, or even makes sense for that matter.

    Steve Stone

    S t e v e S t o n e
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