I just found this. Main page [https://k2-fsa.github.io/sherpa/onnx/index.html]
This is huge! As a german, I use thorsten medium
[https://huggingface.co/csukuangfj/sherpa-onnx-apk/resolve/main/tts-engine-new/1.10.26/sherpa-onnx-1.10.26-arm64-v8a-de-tts-engine-vits-piper-de_DE-thorsten-medium.apk]
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!
Piper TTS on Android is great, the project is called Sherpa Onnx. It doesn’t require permissions either.