From Homer Dudley 1939 VODER device through Dennis Klatt's 1983 Klattalk that later became the DEC voice of Steven Hawking, this is an impressive evolution of human speech synthesis by machines. Posted by Brian Roemmele from and LP record that came with Dennis Klatt's "Review of text-to-speech conversion for English" J. Acous. Soc. Amer. 82, 737-793. (1987)
Photo by Layla Yehia from Pexels