VIDEO: PhD's TEDTalk on the future of the "visual microphone"

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Subtle motion happens around us all the time, including tiny vibrations caused by sound. New technology shows that we can pick up on these vibrations and actually re-create sound and conversations just from a video of a seemingly still object. (See former CSAIL researcher Michael Rubinstein's TED Talk on the topic.)

But now another member of that CSAIL team, PhD student Abe Davis, takes it one step further: Watch him demo software that lets anyone interact with these hidden properties, just from a simple video.