Earlier quoted context omitted.
Oh hi! I've had a new version of this in the works for a few months. It'll launch maybe this weekend? It supports user-trained data sets, which should be pretty neat. Your approach sounds kind of like unit selection or vocaloid. Do it!! :)
I'm honestly surprised that virtual celebs haven't taken over more. They could replace people in a lot of roles like newscasters and such.
It's coming soon.