The animation consists of two layers - the white, bouncing ball layer, and a red background layer. In After Effects, I have created an animation of a white, bouncing ball. Now that you have an idea of what an alpha channel is, I’ll show you how to export them from After Effects CC, followed by Premiere Pro CC. If it had not been added, the editing program would have defaulted to adding a solid black background where the transparent areas should be. The alpha channel was added during the export of the motion graphic title to create a transparent top and bottom in this specific title sequence.

The first few frames where the motion graphic file animates in requires having one to see the footage layer below. To help you understand exactly what they do, here are 3 screenshots that show the progression of a motion graphic with an alpha channel starting to animate onto footage. When to use oneĪlpha channels are really great when you’d like to send a completed motion graphic file like a lower thirds title from one program and use it in another. MOGRT files in After Effects to use within Premiere Pro, as shown in this tutorial.) For the purposes of this post, we will focus on exporting and using motion graphic video files. Let’s start with the basics - an alpha channel is essentially a transparency map for your footage or image, meaning that you can have areas in your footage or image that have some level of transparency, or total transparency.ĭepending on the editing program you are using, there may be an option to work with the project file to avoid exporting and including alpha channels (like creating.

Kden video editor