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Speech-Jamming gun

March 1, 2012 Leave a comment

A japanese team of researchers have built a gun that can silence somebody from 30m distance. The basic idea is simple:
Psychologist have known for a long time that if your speech is recorded and send back to you after a short delay time, it will interupt your speach (Delayed Audio Feedback). The device now consists of a directional microphone that records the speakers voice and sends it back after a 0.2s delay via directional speakers.