I am often asked the question “What is the difference between a Straight and a Premultiplied Alpha Channel?”
In this tutorial I discuss the differences between a Straight and a Premultiplied Alpha channel. How to spot the difference and ensure you interpret your files correctly when setting up your composite.
I also cover the Straight Alpha parameter that is offered when rendering Cinema 4D Multipass renders.
Head on over to Vimeo to watch the tutorial in HD.
Straight vs Premultiplied : Understanding Alpha Channels