That would then require running code from memory, which needs to be enabled in recent GrapheneOS. But all fine, they should absolutely do that as they obviously do that currently but during compilation.
Client app + wizard to select language and model type + downloaded model
I mentioned espeak at least somewhere. It is 32bit and likely unmaintained. And the Android version is already better than what I had on Fedora KDE.
Yes, something like improved espeak would be fine and extremely efficient. But this works fine too.
Modern phones have NPUs for low power neural network tasks like those. Older ones hopefully use the GPU for that.
The apps are pretty flawed in that they have only one model.
And it is very impressive how espeak can do so much, so efficiently.
Its simply that nobody created a better voice model (and removed all the silly joke okes) for it, and ported the APK to modern Android with armv8a (64bit)
Speech to text exists with FUTO keyboard and whisper.
Espeak is the only TTS for german, and it is 32bit and sounds awful. It is quite embarassing to use that for navigating with other people used to... modern voices.
I always wonder if I can concentrate urine if I just wait when needing to pee and it goes away for some reason