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Spotify is going to clone podcasters’ voices — and translate them to other languages
(www.theverge.com)
This is a most excellent place for technology news and articles.
Honestly, as long as the person whose voice it is gives full permission it's probably one great use for AI.
That being said, you could just hire people who actually know the language to translate.
It can be both at the same time - getting a professional voice actor to translate the script, then apply AI magic to have the voices match the original as exactly as possible.