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Thread: Sony Vegas Pro 9 PROBLEM

  1. #1

    Default Sony Vegas Pro 9 PROBLEM

    Hey everybody!!

    I have a problem with my Sony Vegas Pro 9.

    I can't remove the Alpha Channel from my video or picture.

    pls help me!
    I will appreciate it a lot! THX!

  2. #2

    Default

    Do you mean you have clicked on the compositing mode button and it won't work ?

  3. #3

    Default

    i tried this option:

    Properties > Media > Alpha channel: Premultiplied

  4. #4

    Default

    Ok that is the default setting. What are you trying to achieve ?

  5. #5

    Default

    I want to remove the black background from the picture...

  6. #6

    Default

    Try this. On the track click on the compositing mode button and select Screen. This should take away the black from the image.
    Last edited by Midnight Blue; 05-12-2011 at 07:15 PM.

  7. #7

    Default

    Sorry, that won't work for you I'll get back to you when I can get on to Vegas. That will teach me to guess at things.

  8. #8

    Default

    Sorry I'm back with the right answer now.

    Select the chroma keyer FX and change the key colour to black. This will take away the black and leave all the other colours.

  9. #9
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    Default

    Has your source actually got alpha channel information?
    Where is it from, what format etc?
    Tim

  10. Default

    I thought that every black background is an Alpha Channel...

    How can I know that my source have a Alpha Channel?

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