Fire fighters often wear protective breathing devices utilizing face masks. Voice communication through these masks is very difficult, especially in noisy locations. A comprehensive study of the electroacoustic and mechanical requirements for a high-quality fire fighter's speech projection system has been made. A system tailored to a new U.S. Navy breathing apparatus has been developed, giving highly intelligible voice communications to the user.

Authors: Giordano, Thomas A.; McClean, Mark
Affiliations: EPSCO Labs, Formerly CBS Laboratories, Wilton, CT ; Naval Ship Engineering Center, Hyattsville, MD(See document for exact affiliation information.)
JAES Volume 24 Issue 4 pp. 281-284; May 1976
Publication Date: May 1, 1976

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