Version 3.5.8
What is a Matte?
A matte is an image that is used to define the opacity of another piece of media.
Wirecast comes with several mattes, which are in the matte popup, shown here:
Using a Matte
Choose the desired matte from the popup.
Below is an example of the "Oval" matte:
Using your own Matte
Any image which has an "alpha" channel will also show up in the Matte Popup.