Re: Animation codec to 422 ((2)) Alpha export

Hi Ronny,
Do you happen to have a tutorial anywhere explaining the below (from our other topic):

"For the first movie, in your Motion export options under the Output tab, select 'Color' from the Color menu.
Then export a second movie exactly the same way, but instead choose "Alpha" from the Color menu.
This will give you one QT movie with your color information and a second QT movie with your alpha mask.
Import both movies in FCP, put the alpha mask movie on one track and the color movie above it, then change the Composite mode of the color movie to Travel Matte > Luma. You will have an instant "alpha channel" even though the codec does not support alpha channels. This is the oldest way of exporting images with "alpha channels" (which in fact are nothing more than travel mattes)."

I tried this but i am just getting a white alpha channel.
What i am looking to get is a black and white clip where it has opaque and transparent info in the clip.
I think I am exporting out of motion incorrectly...?

Thanks
Kurt