Mozilla research shows some machine voices score higher than humans

In 2019, Mozilla’s Voice team developed a method to evaluate the quality of text-to-speech voices.A lot of the existing work answered the core question of “can you understand this voice?” But now that we’ve reached a stage of computerized voice quality where so many voices can pass the comprehension test with flying colours, what’s the next step?

https://blog.mozilla.org/blog/2020/05/07/mozilla-research-shows-some-machine-voices-score-higher-than-humans/