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Three New Noise-Canceling Electret Communication Devices

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The design parameters, performance characteristics, and mechanical configuration are presented for a new series of aircraft communication devices utilizing noise-canceling electret microphones. These devices include a lightweight headset, a handset, and a hand-held microphone. Test procedures for measurement of the -noise-cancellation characteristic- are also discussed.

JAES Volume 24 Issue 2 pp. 117-120; March 1976
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