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shanikon
Participating Frequently
December 25, 2017
Answered

Can't export with transparent background

  • December 25, 2017
  • 3 replies
  • 40215 views

Hi

I'm trying to export text with transparent backgroud but it doesn't work and it comes out with black background.

I think Im doing everything right.

I click on "toggle transparency grid"

Cntrl M

lossless

channels: RGB+Alpha

and then render

maybe someone knows and could help me with this?

Thanks

    This topic has been closed for replies.
    Correct answer Rick Gerard

    1. Read the instructions.

    2. Use the lossless with alpha preset.

    3. Understand that media players do not support alpha channels, they always come out black.

    3 replies

    Phi.Def
    Phi.Def
    Inspiring
    February 10, 2020

    Whoever is reading this, please note that the information here is no longer ideal. Apple has discontinued support for AVI files, but, if you're using After Effects on a Windows machine, the preset for "Lossless with Alpha" still renders as an AVI. That means someone working on a Mac won't be able to use the file.

    Now, the best way to render with an alpha channel is to follow the instructions here: https://blog.motionisland.com/create-and-export-an-after-effects-transparent-background/#.XkHTJCN7lhE

      R
      Community Expert
      Rick GerardCommunity ExpertCorrect answer
      Community Expert
      December 25, 2017

      1. Read the instructions.

      2. Use the lossless with alpha preset.

      3. Understand that media players do not support alpha channels, they always come out black.

      C
      cornflakes2
      Participating Frequently
      January 1, 2020

      If you import the file in Sony Vegas....will show appear as a transparent background or a solid background?

      C
      cornflakes2
      Participating Frequently
      January 1, 2020

      wow, i just figured it out from a video.....yes it works now...i just had to change the alpha in sony vegas file to premultiplied (dirty) and it works!

      Mylenium
      Mylenium
      Legend
      December 25, 2017

      There is nothing wrong.  Getting transparency is dependent on a program actually using the Alpha channel. Just viewing it in a media player doesn't qualify for that. You have to re-import it into AE or premiere to verify the transparency.

       

      Mylenium

      S
      shanikonAuthor
      Participating Frequently
      December 25, 2017

      I did re-import the file to AE and it comes with black background...

      R
      Community Expert
      Rick GerardCommunity Expert
      Community Expert
      December 25, 2017

      That's because you tried to set up some kind of custom render without learning anything. You probably picked a format that does not support transparency. Use the presets until you have taken the time to study up and learn about video compression. BTW, you have to either check the alpha channel or put something below a layer with transparency to verify that there is actually an alpha channel.

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