Creating targa lower 1/3 media

[Bouke Vahl]

Forget it. You need an alpha, and avid cannot output that.
Use AE, everything is in the box…

Bouke

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[Chris Bové]

Will do. Thanks!

[Dylan Reeve]

It can be done, but you’ll need to jump through hoops. It’s not really what Avid’s designed for. I second the AE suggestion, definitely the easier way.

[Chris Bové]

Dylan – I love learning processes. Even though I’ll be doing this particular task in AE, what is the hoop-jumping process to do it in the Avid?

Thanks!

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`(=)`/…Pixel Monkey
`(___)

A picture says 1000 words. Editors give them meaning.

[Michael Hancock]

Here’s how I’d do it…

Because Avid can’t export a file with an alpha channel, you’ll need to export the matte and fill seperately. You have the lower third in Avid–export it as a Fill targa sequence just as you want it to look on air. Then select the matte key of your lower third and set it to Show Alpha so you get a black and white matte. Export that as a targa sequence.

You’ll now need to either take both into After Effects or another compositing program to set the Fill targe sequence to use the Matte targe sequence as a luma matte, likely inverted, and rerender it as a Master targa sequence with alpha. Or, if you have the hardware to do it, use the Matte targa sequence as a luma matte to key out the lowerthird as it goes on air.

Again, much, much easier to do it in AE.

That’s how I’d do it!

Michael.

[Dylan Reeve]

Pretty much what Michael said.

There are some potential issues with a precomposed fill channel in doing it that way. It certainly can be done and I have used the method to export a Avid-built baseline key to be usable in a linear edit suite (although in that case I actually played them out to tape as a fill and matte signal).

[Chris Bové]

Sweeeeeeeet.

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/-o-o-
`(=)`/…Pixel Monkey
`(___)

A picture says 1000 words. Editors give them meaning.