Re: [Avid-L2] need Avid FX help - not exporting alpha channel

Try another codec.
Some Avid codecs suggest they support alpha, but in fact the don't.
If your target is Avid, definitly render to straight.

hth,

Bouke

VideoToolShed
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----- Original Message -----
From: "Rich Ford" <rrfavid@cox.net>
To: <Avid-L2@yahoogroups.com>
Sent: Thursday, June 10, 2010 6:13 AM
Subject: [Avid-L2] need Avid FX help - not exporting alpha channel

>I am trying to export QT movies with alpha channels from Avid FX and it
> appears not to work correctly. I have tried selecting both "straight" &
> premultiplied" alpha in the render settings.
>
> When I display the alpha channel in the composite window in Avid FX, it
> shows black and white in the correct locations, so it appears to be fine
> in
> the composition.
>
> But when I render a composition, then import the movie into Avid, no
> alpha. When I reimport the movie back into Avid FX as a test, no alpha.
>
> I have been thought the preferences and project settings, but nothing is
> amiss. There must be some setting somewhere I am overlooking - I have
> done
> this in the past with text animations and it has worked fine. Anyone have
> any ideas?
>
> Thanks,
>
> - Rich
>
> Avid FX 5.8
> MC 3.5.4
> HP 8400
>
>

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