Open My recordings, pick one, press Send. Or ask out loud during a conversation: “send that to David.”
The voice is a machine, and it says so if he asks. It is not a substitute for a visit. It is there so that what he has to say gets kept, and reaches his son, at the hours when nobody is free to listen.
/api/tts.config.js on that
machine only — which is how one device ends up on the fallback voice while another
is fine. This clears them. Recordings and books are untouched.