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Intel Releases the Technology that Gives Stephen Hawking a Voice

Stephen Hawking's computer-synthesized voice has narrated a Monty Python song, given hope to One Direction fans and asked the biggest questions in the universe. Now, people with disabilities across the world will have access to Hawking's custom technology.

Hawking has amyotrophic lateral sclerosis, or ALS, one of the symptoms of which can be an impaired voice. He worked with Intel for three years to develop the Assistive Context-Aware Toolkit that gives him an artificial voice.

The technology uses an infrared switch to detect the motions in his left cheek muscle, which he uses to select individual characters and build sentences. A cursor automatically scrolls across a keyboard on Hawking's wheelchair-mounted tablet. When the cursor reaches the letter Hawking wants, he moves his cheek and an infrared switch picks up the motion. In this way he can build words and sentences, which are sent to his voice synthesizer.

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