Artist Neil Harbisson was born completely color blind, but these days a device attached to his head turns color into audible frequencies. Instead of seeing a world in grayscale, Harbisson can hear a symphony of color — and yes, even listen to faces and paintings.
Neil Harbisson’s "eyeborg" allows him to hear colors, even those beyond the range of sight.
http://www.ted.com/talks/neil_harbisson_i_listen_to_color.html
