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

Authors: D'Amico, Paul M.; Kuhn, Philip
Affiliation: TELEX COMMUNICATIONS, INC., MINNEAPOLIS, MN
AES Convention: 52 (October 1975) Paper Number: 1050
Publication Date: October 1, 1975

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