Acoustic Maps to Aid the Blind

Researchers at the University of Bristol in England have developed a new method to convert images from lasers and digital cameras into real-time, three dimensional acoustic maps that help the blind navigate around obstacles in their path. The images are converted to sounds that get louder as objects get nearer, accurately reflecting their orientation with respect to the user. Coupled with related work from the University of Laguna in Spain and several other institutions, these maps could result in a workable assistive technology for the sight-impaired in the near future.


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