WATCH: Video of the Japanese ‘Speech-Jammer’ gun in action

By David Ferguson
Saturday, March 3, 2012 22:32 EDT
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Japanese SpeechJammer gun in action
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Japanese researchers have created a “gun” that enables its user to silence the speech of other people. The device uses a unidirectional microphone to record the speaker’s voice, then play it back to them at a delay of hundredths of a millisecond. The wash of verbiage disrupts the concentration of the speaker and renders them incapable of speech.

The sampled-and-returned speech is audible only to the targeted individual and the resulting effect is said to be like “hearing a recording of one’s own voice echoing inside one’s skull,” which creates a kind of induced stutter.

In the video below, embedded via YouTube, you can watch volunteers being exposed to the Speech-Jammer and see its effects in real time.

David Ferguson
David Ferguson
David Ferguson is an editor at Raw Story. He was previously writer and radio producer in Athens, Georgia, hosting two shows for Georgia Public Broadcasting and blogging at Firedoglake.com and elsewhere. He is currently working on a book.
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