As Wired uncovered, Klatt's work was incorporated into one of the first devices that translated speech into text: the DECtalk. The company that made the speech synthesizer for Hawking's very first ...

So if you’ve got a Tandy TRS-80 Voice Synthesizer with a dodgy SC-01-A chip, you’ll definitely want to check out [Michael Wessel]’s Talker/80 project. It’s a plug-in module for the TRS-80 ...