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  • Adobe After Effects

    Transparent Movies for the Web

    Posted by Chuck Storey on February 2, 2011 at 10:17 pm

    Hi there,

    I have seen the comments about using Alpha Channels with Keying out Backgrounds etc.

    What I want to do, is to create a video for the web that you can see the background of the webpage through. I have seen some spokespeople videos “walking” onto a webpage without a background and I wanted to try and duplicate that if possible. Is this an After Effects effect? or Flash using a transparent window? Flash doesnt take .avi files so I was wondering how I make that happen.

    Any ideas?

    Chuck Storey replied 15 years, 7 months ago 2 Members · 2 Replies
  • 2 Replies

  • Cory Petkovsek

    February 3, 2011 at 2:31 am

    You need to encode your video in FLV format with an alpha channel. Either by exporting directly with AE in FLV format+alpha, or in another container that supports alpha and the encoding it with Flash’s encoder.

    Then your web code will need to display flash in transparent mode.

    Cory

    —
    Corporate Video

  • Chuck Storey

    February 3, 2011 at 3:51 pm

    Thanks Corey,

    This appears to be exactly what I was looking for.

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