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Activity Forums Adobe After Effects Rendering Alpha Channel in .FLV, and Motion Blur

  • Rendering Alpha Channel in .FLV, and Motion Blur

    Posted by Spencer Tycksen on February 3, 2012 at 2:12 pm

    Two questions:

    Will motion blur be rendered out if have checked the motion blur box on certain layers, but have not clicked the “enable motion blur” button at the top?

    I need to export an alpha channel as a .flv. When I select FLV, the option to select RGB + Alpha becomes grayed out. How do I do this?

    Spencer Tycksen replied 14 years, 3 months ago 2 Members · 2 Replies
  • 2 Replies
  • Ben G unguren

    February 3, 2012 at 4:30 pm

    “Will motion blur be rendered out if have checked the motion blur box on certain layers, but have not clicked the “enable motion blur” button at the top?

    YES

    I need to export an alpha channel as a .flv. When I select FLV, the option to select RGB + Alpha becomes grayed out. How do I do this?”

    I have an Output Module preset called “FLC with Alpha” (AE CS 5.0, OS X). Can you find that in the Output Module presets (the drop-down box)?

    Ben Unguren
    Motion Graphics & Editing
    http://www.mostlydocumentary.com

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  • Spencer Tycksen

    February 3, 2012 at 5:32 pm

    Ben, thank you for your response. Through some trial and error I was able to figure out my problem. With the output module window pulled up, I clicked on format options in the video section. Under Basic Video Settings, I needed to check “Encode Alpha Channel.” That enabled me to select RGB + Alpha on the main window.

    Thanks for answering my question about motion blur.

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