The naggety/picotts as Home Assistant Supervisor addon. (Useable on Raspberry Pi 3-)
This addon executes the tts engine behind a webservice. It provides support for all default languages.
To the Addon: GitHub - Poeschl-HomeAssistant-Addons/picotts: Text to speech voice synthesizer from SVox, included in Android AOSP.
If issues occur please use the GitHub issue board, since I’m only on the community forum from time to time.