Re: Alpha Channel by Dave LaRonde on Jun 21, 2011 at 2:34:33 pm
If you render Alpha Channel Only, you'll end up with a B&W piece of footage, where 100% black is totally transparent, 100% white is totally opaque, and anything in between is varying degrees of opacity. You can then use it as a luma matte in other applications.
Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA