Note by @fastfinge

@luiscarlosgonzalez @cachondo @FreakyFwoof @amir I didn't try Kokoro, because it cannot achieve a real time factor of 1 on CPU. By that I mean, to be fit for consideration with a screen reader, a text to speech voice must be able to generate one second of speech in one second or faster. In general, Kokoro takes two seconds to generate one second of speech. So it's not suitable.