Managing compositions - After Effects Tutorial

When you're working inside After Effects, you are creating compositions. Compositions are where you bring together multiple items of source materials, sometimes referred to as footage. You animate them, apply effects to them, blend them together, and then you render a composition to create a final output movie or still image. If you have opened up a project that already has a composition, you just double-click it to open that comp. You can also create a new composition by going to Composition > New Composition, and choosing what you name it--for example, first movie--and entering how large and how long you want that composition to be. For example, I know my movies are in the NTSC D1 format, so I will use the present for NTSC D1. It automatically sets my size, pixel aspect ratio and frame rate for me. And I can set my duration. For example, if I know I want this to be 10 seconds, I just need to enter 10.0, and After Effects knows that's 10 seconds 0 frames. Click OK. A third way to…