Application of the probe microphone meth
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Chang-Chun Liu; Jussi Pekkarinen; Jukka Starck
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Article
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1989
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Elsevier Science
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English
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## A BS TRA C T The purpose of the present study was to develop a probe microphone method to measure the attenuation of earplugs, earmuffs and their combination against high impulse sound levels from military firearms. The field measurements were made on three earmuffs and one earplug. A probe mi