Monday, January 24, 2011

[Avid-L2] Re: Wrong Format on alpha channel video?

 

John,

I saw this occasionally on Symphony v3 when batch importing graphics with alphas. I discovered that if you delete the key effect, leaving just the fill, then undo the deletion, it fixed the problem.
I haven't seen it in a while (especially since upgrading to v5), and it seemed to be completely random. I could never figure out a pattern to it.
Give that a try and see if it works for you.

Good Luck,

Steve Pomerantz
Senior Editor
Digital Ranch Productions
Sherman Oaks, CA

--- In Avid-L2@yahoogroups.com, John Moore <bigfish@...> wrote:
>
> I've seen this before when stepping into a matte key or in this case a title key and pulling out the alpha channel and cutting it into the time line with the results being "wrong format."  Usually putting a submaster effect over the clip and rendering fixes it.  This time I can option c the alpha and see it in the source monitor fine.  When I cut it into the time line I get wrong format and the submaster render doesn't work.  I've found I can step in and mark the alpha channel track/clip and create a video mix down and that works.  My question is why isn't the submaster render approach working.  This is SNDX 4.0.5 Mac OS 10.5.6.  Anybody got a reason for this less than typical behavior?
>
> John Moore
>
> Barking Trout Productions
>
> Studio City, CA
>
> bigfish@...
>
> [Non-text portions of this message have been removed]
>

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