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Activity Forums Adobe After Effects Final Cut 21MB AppleProRes renders 6 times larger in After Effects!

  • Final Cut 21MB AppleProRes renders 6 times larger in After Effects!

    Posted by Kevin Collins on January 20, 2009 at 8:31 am

    I’ve read much about expecting huge files from the AE renders of ProRes/HDV formatted files but six times bigger than the source?

    Is it to be expected that when I import a 21MB Apple ProRes 244(HQ) clip provided by my partner with a Mac and Final Cut into my Windows After Effects that the file size when rendered Animation/lossless with no edits is six times larger than when imported?

    The guy has sent me these clips, into which I have compd some CG elements. Everything’s great until I see the massive file sizes after rendering.

    Am I missing something? Does it even make sense for a FCP user to send Apple ProRes 244(HQ) clips to a Window’s AE guy?

    The details….

    Import footage received from Mac user (shot in HDV 24p 1920×1080) and presumably edited and exported with FCP.
    Format: Apple ProRes 422 (HQ), 1920 x 1080, Millions
    FPS 23.98
    Data size: 20.96MB
    Data rate: 150.63 mbits/sec
    Duration 1.17

    Making no changes, just loading it into AE on my Windows box and the rendering it lossless as follows…

    Quicktime
    Format: Animation, 1920 x 1080, Millions
    Playing and Movie FPS: 23.98
    Data Size: 117.99MB
    Data rate 847.57 mbits/sec
    Duration: 1.17

    Kevin Collins replied 17 years, 3 months ago 2 Members · 3 Replies
  • 3 Replies
  • Kevin Collins

    January 20, 2009 at 6:47 pm

    Thanks Dave.
    I had read your other resoponses on the subject and while I saw plenty indicating that Windows AE Animation compression will definitely create much bigger files from their ProRes422 source, I missed any specific ratios like “6 times larger!”.

    So when I get these files back to my partner using ProRess422, I guess he’ll need to compress with ProRes422 to view these massive data rate files and of course to edit/comp in FCP?

    …all before the final render for his webisode. 🙂

    Do have that right?

  • Scott Roberts

    January 22, 2009 at 9:26 am

    “It’s your choice… but a 140MB file size isn’t bad at all.”

    I agree.

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  • Kevin Collins

    January 23, 2009 at 3:15 am

    Thanks Dave and Scott!

    Most helpful to believe I’m not just doing something stupid. 🙂

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