Text-to-speech voices sound pretty awkward. To make them sound less awkward, you have to either tweak the software for all sorts of special cases or pre-record a bunch of phrases. Both of these take a lot of manpower.<p>Fonts are the same, except they&#x27;re used by many more people and last much longer than that brief moment when your text-to-speech software stumbles on an uncommon combination of words.<p>I&#x27;m sure that the technology will rapidly improve as more and more Chinese fonts are needed, but as long as AI remains inferior to humans in some way, I don&#x27;t see it getting all automated.