Stephen Hawking didn't use DEC-Talk. He used the Speech Plus Calltext 5010. This is a common misconception, but one that I feel the need to correct whenever I see it.https://twitter.com/BrianRoemmele/status/1158125451732119553 …
Patrick, thanks for the insight. Both systems are built on Klatt Talk. And the genealogy is from Klatt Talk -> DecTalk on to others but with Klatt’s voice. Klatt said all of the other systems were built with the Dec code he helped create. And Hawkins recognizes Klatt as his voice