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by squeaky-clean 1559 days ago
Overdubbing is far easier with an instrument than with a voice, the article doesn't even list examples of an impressionist over dubbing someone, just overdubbed duets. Also what you're describing is not overdubbing, it's ADR. Overdubbing is just that, dubbing over the existing audio. Not only would you need to mimic the speech but you'd have to recreate the ambient sound as well. Even with a person speaking into a microphone in a silent room the change in ambience is noticeable unless the whole scene is using a false ambience track separate from the voice track.

And I disagree with you about the lipreading. There's a reason ADR in films is always done with a shot of the back of the actors head.

Even when it's done with literally the same original speaker it's pretty obvious. Or have you never fooled a stranger in the alps?

https://youtu.be/LCcKBcZzGdA