Speech-jamming gun makes it difficult for speaker to keep talking
(NEWSER) – Wouldn’t it be nice if you could somehow force the people behind you at the movies to stop talking? With the “Speechjammer,” a new “weapon” developed by Japanese scientists, you could. The speech-jamming gun works by recording speech, then playing it back after a delay of about 0.2 seconds—in such a way so that only the speaker, at whom the gun is pointed, can hear the playback. The effect, known as “artificial stuttering,” makes it very difficult for the speaker to get the next words out, since he or she is hearing a sort of constant echo. More»
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