Potato chips: Big Brother's next eavesdropping tool?

  • 7 August 2014
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It is a good job I do not eat many potato chips.

 

by Lisa Vaas on August 6, 2014

 

Imagine sitting in a soundproof room, talking to somebody, a bag of potato chips lying on the floor.

Given the vibrations made to all objects by sound waves, that bag of crisps is giving off enough information for a normal video camera to pick up and decipher your conversation, using only visual information.

MIT, Adobe and Microsoft researchers have done just that: they've created an algorithm that can reconstruct sound, including intelligible speech, from the tiny vibrations it creates in objects.

 

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