Visual microphone can pick up speech from a bag of potato chips

Talk about science fiction and spy movies…

This one makes a lot of sense, I mean, sound is vibration, so if we can “see” those vibrations on a surface with a fast enough camera, then it should be feasible to reconstruct that vibration back into sound with some well done algorithm.

I guess we’ll have to be carefull where we throw our chips bags 😉

http://o.aolcdn.com/hss/storage/midas/185886c5f3025086115777ec492c993/200527750/mit-visual-microphone.jpg

http://www.engadget.com/2014/08/04/visual-microphone/

 

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