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Word: digisonix (lookup in dictionary) (lookup stats)
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...least half a dozen firms are selling antinoise systems in the U.S. and Europe. A pair of British firms, Racal Acoustics and Plessey, sell antinoise headphones that combat cockpit noise in military vehicles, such as the Sea King helicopter and the Warrior attack vehicle. Digisonix, a division of Nelson Industries in Stoughton, Wis., markets units that can be bolted to air ducts to mute the blast of industrial fans and heating and air-conditioning systems. Noise Cancellation Technologies of New York City just announced a joint venture with Tenneco to make electronic mufflers for automobiles and light trucks that...

Author: /time Magazine | Title: Technology: Fighting Noise with Antinoise | 12/4/1989 | See Source »

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