Hansika Reddy
@Hansikareddy · 1:40
How did Stephen Hawking talk ?
A speech generating device constructed at Cambridge, combined with a software program, served as his electronic voice, allowing Hawking to select his words by moving the muzzles in his cheek. Hawking previously used his finger to control a computer and voice synthesizer, but once he lost the use of his hands, he started depending on twitching a cheap muscle to communicate. Most computers designed for him relied on running lists of words