視覺麥克風：聲音從視頻的被動恢復

The Visual Microphone: Passive Recovery of Sound from Video 
視覺麥克風：聲音從視頻的被動恢復 
2014年8月4日

科學家們現在可以透過觀察無聲視頻中的一杯水竊聽
Scientists Can Now Eavesdrop By Watching a Soundless Video of a Glass of Water
Sound is pressure, pressure causes motion and motion shows up on film
聲音是壓力，壓力導致運動及運動在影片中顯示出來
By Colin Schultz
smithsonian.com
August 4, 2014
http://www.smithsonianmag.com/smart-news/scientists-can-now-eavesdrop-you-reverse-engineering-video-glass-water-180952247/?no-ist