Monday, August 04, 2014

Sound from 60fps Video

MIT News: MIT, Microsoft and Adobe team presents SIGRAPH 2014 paper describing a way to extract sound from an object micro-vibrations in the video stream: "The Visual Microphone: Passive Recovery of Sound from Video" by Abe Davis, Michael Rubinstein, Neal Wadhwa, Gautham Mysore, Fr├ędo Durand, and William Freeman. While similar techniques based on laser and high speed cameras has been known for a long time, the MIT team manages to get the sound using a regular 60fps DSLR video stream. A Youtube video explains their approach:

Thanks to TG for the link!


  1. Pretty cool. I can't wait for Abby Sciuto to use this on "NCIS" to recover unmiked terrorist conversations from the vibrations of leaves capture by a traffic surveillance cameras.

  2. More and more applications for image sensors. Still more to come I believe. Great thing for our community


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