Need a refresh on codecs and image formats that support alpha channels? Michael Maher has your back in this Rocketstock blog post, which lists some common codecs and formats along with Michael's own recommendation. Quick read. Perfect for someone wanting to export graphics with transparency out of Premiere Pro or Adobe Media Encoder.
Creating an overlay or title sequence that you want to make sure keeps the alpha channel on export? Here are some of the best video codecs and image sequences that will make layering clips a breeze. —Michael Maher, Rocketstock blog