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Future spies might not need to hear you to understand what you’re saying

05
Aug
2014

Being able to extract audio from a soundless visual recording is something that intelligence agencies will likely one day use – if they don’t already do it – for their operations. Researchers from MIT, Microsoft and Adobe have managed to create an algorithm that can reconstruct audio “by analyzing minute vibrations of objects depicted in video,” like bags of chips found in the same room with a target, as well as other objects including aluminum foil, the surface of a glass of water, and the leaves of a plant. The researchers looked at the unique vibrations different sounds make after recording them on high-frame rate videos of a room through sound proof glass. The researchers achieved their best results if their

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