I just found this.
This is huge!
As a german, I use thorsten medium as he simply made the best dataset.
Mixing english with german, speaking numbers, single letters, pausing without a “.” but just a linebreak, all those can be essential.
And… it is nearly perfect! And all local!
This is crazy!
eSpeak can finally go to rest!
It is FOSS, and the build instructions are here
https://k2-fsa.github.io/sherpa/onnx/android/build-sherpa-onnx.html
Those guys are incredibly active, look at this!
https://k2-fsa.github.io/sherpa/onnx/index.html
(And no, not on F-Droid, if you look at the crazy amount of packages that makes sense)
that stupid huge amount of packages is honestly a pretty big UX issue, at least personally that just makes me chuckle at their optimism and close the page as every bit of energy i had vaporizes from the thought of figuring out what to download.