I thought this was widely known?

This has been a vector since touchphones and telephone banking came along.

You don’t even need a neural network, I’m sure ages ago I read about a guy who trained his parrot to spell out letters from keystrokes it heard. Anyone else remember that? nostr:note1uthf9xhurwlv2kx3xqccqyzf9uwhcnemd3tv49rpclcywwq6gxqqxpnqwz