TTS
https://commonvoice.mozilla.org/
https://github.com/mozilla/TTS
https://framacolibri.org/t/marytts-le-tts-open-source/2371
https://github.com/ken107/read-aloud
https://sites.research.google/usm/
https://www.hackster.io/nickbild/ay-3-8910-speech-synthesis-fe5f43