Effects of Chemical Protective and Oxygen Masks on Attenuation and Intelligibility When Worn with the SPH-4 Helmet,
ARMY AEROMEDICAL RESEARCH LAB FORT RUCKER AL
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The utilization of protective equipment by todays soldier is essential to enhance and ensure his ability to perform on the battlefield. However, a given personal protective system may influence the performance of another. This investigation evaluated the effects of three chemical defense masks on speech intelligibility and real-ear attenuation characteristics of the SPH-4 aviator helmet. The effects of two oxygen masks on speech intelligibility also were investigated.
- Chemical, Biological and Radiological Warfare