>
> 2) speech to text and text to speech. Notably feeding the chat -
> somehow - into a speech synth - for those of us that are increasingly
> deaf.
>

Wouldn't speech-to-text be more useful in that case? There's also the
Speech Recognition API for browsers.

Notably, Google, Microsoft, and Amazon offer realtime Speech to Text
services at approx 2$ per hour.

>