I have only ever listened to one audio book and that was "Hitchhiker's guide to the galaxy" by Stephen Fry. This is nowhere close to that.
It does mimic the ups and downs of voice but they don't add up. The don't make sense. They don't really have any connections with what is being spoken.
But since it can do expressions, it probably only needs special markers in text to tell it how to really read a sentence.
Stephen Fry is considered one of the best audiobook readers of all time. This AI voice is still better than 100% of AI audiobooks in the market, and likely better than a good portion of HUMAN readers as well.
It does mimic the ups and downs of voice but they don't add up. The don't make sense. They don't really have any connections with what is being spoken.
But since it can do expressions, it probably only needs special markers in text to tell it how to really read a sentence.