I've heard that but since I'm computer illiterate I don't know how it all works. But since I'm on Prodigy tonight I'm learning a lot through my typist Peter.
I didn't go to film school so my learning was done out in public and showed up on the screen.
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But the mechanics of learning to 'throw your voice' are pretty simple. Anyone with a tongue an upper palate teeth and a normal speaking voice can learn ventriloquism.