DS DS/EN ISO 17201-4
DS DSEN SO 17201-4 2006-JUN-22 Acoustcs - Nose from shootng ranges - Part 4 Predcton of projectle sound
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The purpose of this International Standard is to provide computatinal model to determine the acoustical source level of projectile sound and its one-third-octave-band spectrum expressed as the sound exposure level for nominal midband frequencies from 12,5 Hz to 10 kHz.