True, but if they didn't write their own TTS nothing of that matters. Most TTS software out there will be better at English than any other language despite the

True, but if they didn't write their own TTS nothing of that matters. Most TTS software out there will be better at English than any other language despite the more complex phonology. Then it's solely about distinguishing language characteristics and I think the amount of syllables would have an effect in that. Japanese has a lower information density than English (at the same speed) so with the same amount of distortion Japanese should be more recognizable.