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Activity Forums Adobe Premiere Pro CS4 Aplha Channel not exporting & I re-installed

  • CS4 Aplha Channel not exporting & I re-installed

    Posted by Michael Hyneman on May 6, 2010 at 8:56 pm

    I have been banging my head against the wall the last 48 hours. I am running Premiere CS4 off a PC (sorry I know that is the first issue) and trying to make a talking head. I have used both Keying methods to get the Green Screen out and every time I go to Export and select QT and Animation, the Codec selection does not light up for me to select Millions+. I have tried what Adobe says on their site by selecting 32 bit and all I get is a green line around my guy and whatnot. I have reinstalled QT and Adobe both (in that order) and nothing. Is there a work around I am not seeing? I know there is a way to do it in AE, but I have seem to forgotten how to make the BG in AE transparent.

    Any help would be thankful. Thanks to all that read and respond with help.

    MH

    Ken Mead replied 15 years, 7 months ago 3 Members · 2 Replies
  • 2 Replies
  • Jon Barrie

    May 6, 2010 at 9:42 pm

    Are you exporting via the render queue in AE? There is a drop down listing for uncompressed with alpha. Start with that.

    Also, the millions+ colourspace won’t show If the compressor/codec is not compatible with it. Must have the right codec first, png, animation, as last post. Then the millions colors + will be available.

    – Jon Barrie

    Jon Barrie
    aJBprods
    http://www.jonbarrie.net
    http://www.suiteskills.com

  • Ken Mead

    October 2, 2010 at 7:09 pm

    Michael,

    Did you ever find an answer to this problem. I just installed CS5 and am having the same problem with Premiere Pro as you posted. When I choose Export, then select Media, then select QuickTime, then select Animation for the video codec, the Codec Settings box is still grayed out. And, when I choose the Animation Codec, I have no way of changing the size of the exported video, either. The output is showing 720×480, instead of the full 1440 x 1080 size of the original sequence, and there is no option available to change it. Am I missing something?

    I’d like to use Ultra for my green screen keying (because it’s so stinking easy to use), then export the keyed clips, including Alpha to an Animation file with Millions of Colors +. I can then take that file into Final Cut (my preferred editing system) for further editing. Can’t seem to find a way to do it other than exporting a PNG sequence, which gives me aspect ratio problems in the final file. Any solutions?

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