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  • After Effects transparent footage taking forever to export

  • Oli Corse

    May 31, 2022 at 8:24 am

    Hi guys, hope you’re good.

    I’ve got some footage I’ve shot against a greenscreen. I want to export it with a transparent background as it will be much quicker to edit.

    However when I go to export the footage it is taking between 3-5hrs per video and they’re coming out at around 15GB each! The videos are only around 3 mins long each, so this seems very excessive.

    The footage is 4K, although I’ve made the comps 1920×1920 as the bit of the footage without background fits into this space.

    I’m using Render Queue and RGB+Alpha exporting to Quicktime (settings attached).

    I’ve also attached my system info and AE preferences.

    Is there a quicker way of doing this? Or do I just need to be patient and wait?

    Cheers in advance


  • Graham Quince

    June 17, 2022 at 8:47 am

    If you render out without the alpha channel, is the render time better? If you chuck the comps over to Media Encoder, is that improved?

    (Sorry you’ve posted and no one answered – I can’t speak for other forum members but I’ve been snowed under with family and work.)

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