Voice synthesis algorithms

What's the latest state of the art for voice synthesis? Is there real-time neural network models for audio synthesis yet? I wish to roleplay as a 2hu on vrchat and not sound like a robot. Is this going to be possible in the near future?

https://my.mixtape.moe/nzolkc.ogg

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Moreover, AI needs personality, as the speech of a Russian drunkard would be different from speech of a Japanese girl.