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Table 4. Average peak sound pressure level and standard deviations outside (Lpeakout) and inside (Lpeakin) the hearing protectors, and the attenuation of the peaks by hearing protectors when shooting with a 105 mm cannon; n=number of impulses

Table 4. Average peak sound pressure level and standard deviations outside (Lpeakout) and
inside (Lpeakin) the hearing protectors, and the attenuation of the peaks by hearing protectors
when shooting with a 105 mm cannon; n=number of impulses