Lamphone : Real-Time Passive Sound Recovery from Light Bulb Vibrations"Lamphone," a novel side-channel attack for eavesdropping sound; this attack is performed by using a remote electro-optical sensor to analyze a hanging light bulb's frequency response to sound.We show how fluctuations in the air pressure on the surface of the hanging bulb (in response to sound), which cause the bulb to vibrate very slightly (a millidegree vibration), can be exploited by eavesdroppers to recover speech and singing, passively...
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News Lamphone : Real-Time Passive Sound Recovery from Light Bulb Vibrations
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