Jul 082011

Engineers from the Research Center for Graphic Technologies at Spain’s Universitat Politècnica de València (UPV) have created an experimental system, that allows the blind to be aware of their surroundings through the use of sound.

Called EYE 21, it consists of a pair of sunglasses with two built-in micro video cameras, a computer, and a pair of headphones. It’s similar to sonar systems that have been used to achieve the same goal.

The two cameras are able to analyze the space in front of them, creating a three-dimensional model of it. Sounds are assigned to the various surfaces in that space, and are played back through the headphones. By listening to this mosaic of sounds, blind users are reportedly able to “hear space,” with their brains turning the sounds into shapes.

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