Watch the video:
Timestamps:
0:00 - What is alpha or a transparancy layer?
0:46 - Export videos without background in After Effects
1:45 - Alternative: 2 TINY videos (Alpha Matte/Compositing)
2:30 - Using Alpha Mattes in Premiere Pro
3:13 - What is better? Videos with Alpha or Alpha Mattes
This video shows you how to export and import videos with an Alpha layer (Transparent background), as well as how to create videos with a separate alpha layer video. This allows you to save a TON of space, while keeping videos rendered that don’t have backgrounds. This video shows you how to do this in After Effects, but you can find the Premiere Pro guide here: Go to post or View on YouTube