Navigation for the visually impaired

A SWAN to guide blind people. “The current prototype is composed of a laptop (or soon a PDA) carried in a backpack, several GPS trackers, four cameras and various sensors. But the most important component consists of special headphones called ‘bone phones,’ which send ‘auditory signals via vibrations through the skull without plugging the user’s ears, an especially important feature for the blind.’ This system might also be used by firefighters or soldiers in situations where their vision is impaired.”

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