From the course: After Effects CC 2019 Essential Training: Editors and Post

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Render footage with an alpha

Render footage with an alpha - After Effects Tutorial

From the course: After Effects CC 2019 Essential Training: Editors and Post

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Render footage with an alpha

- [Instructor] If your composition was created with the intent of it being keyed over other footage, like a lower 3rd. Then, you'll need to Output our Render with an Alpha Channel. Here we'll take a look at how to do this two ways using the Render Queue. One, with an embedded Alpha and the other as a separate movie. My composition here has has a lower 3rd element and I've got it currently keyed over a piece of footage that I'm using as reference. Obviously I don't want to render this footage and I noticed that there's a couple other things. Let's go ahead and address the background here first. I can certainly turn this layer off, but, as I'm building this and refining it, I was using this as reference. There's a way for us to still view this in our Composition Window but not have it render and that's through the use of a Guide Layer. With my Layer 5 selected I can right click on it and say Guide Layer and essentially this is telling After Effects that, show me this background or this…

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