>>10249994take a voice sample that is clear audio, usually podcast or interview clips, and clone the voice
set clarity to 90%+ and stability around 20-30%
use exclamations, punctuations and things like ellipses to make the speech more natural. usually it will generate something really good on the first try but sometimes you have to regenerate. it used to be free and I was even able to continue using it for free but they seemed to have patched that and it requires $5