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Activity Forums Adobe After Effects Rendering Questions

  • Rendering Questions

    Posted by John Grant on February 17, 2008 at 4:06 am

    Whenever I render a composition, an .avi file of the video shows up in My Documents. Even a simple 10 sec video shows up to be 300 MB. Hos do I make my composition into a video file that isn’t 300 MB or more.

    Grant Swanson replied 18 years, 5 months ago 4 Members · 3 Replies
  • 3 Replies
  • Muhaned Abu khumra

    February 17, 2008 at 11:41 am

    Hi … the size of your AVI depend on what you want ( No compresion , Microsoft DV AVI , or your Editing card format , if you want use other format like QT and select the Format option (JPEG2000 or fotoJEPG), if that its not what you want then select MPEG 2 and make the Format option full qulity and you will get 500 k by sec

    Muhaned Abu Khumra
    Creative Director / Motion Graphics
    info@etana.tv

  • Steve Roberts

    February 18, 2008 at 1:05 am

    AE can render in just about any digital image or video format. Out of the box, it generally defaults to some kind of uncompressed render.

    It’s good to read up on the Render Queue and take advantage of the options available there, similar to those suggested by Muhaned.

    Look in the AE Help under “rendering”.

  • Grant Swanson

    February 18, 2008 at 3:22 am

    Do you have any sort of live-action video in your comp? Since After Effect has to render that out, as well as the final video, it will make the file size huge, especially if you’re rendering out to an uncompressed AVI.

    If you must render out using an AVI file, then I would say go for the “Microsoft Video 1” compressor under the Format Options, then drag the quality up to 100%, it will be a reasonable file size, with only a little quality loss.

    Last but not least, one of the most common rendering mistakes I see people make, is that they have AE render out an alpha channel by accident. Seems obvious, I know, but it happens all the time.

    They’ll have the “Depth” setting to “Millions of Colors+” rather than “Millions of Colors,” thinking that it means greater than millions of colors, not millions of colors and an alpha channel. So make sure you’re not rendering out an alpha channel. 🙂

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