Dennis Klatt pioneered synthesised speech. He used recordings of himself to make the sounds that gave physicist Stephen Hawking a voice, when he lost the ability to speak. Show more
Discover 11,128,835 listings and 280,254 playable programmes from the BBC
Dennis Klatt pioneered synthesised speech. He used recordings of himself to make the sounds that gave physicist Stephen Hawking a voice, when he lost the ability to speak. Show more
The BBC's international radio station
