�nderung des Spitzendrucks und der Frequenz des Impulsschalls vom Freifeld zum Ohr in seiner Bedeutung f�r das akustische Trauma des Ohres

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In case of impulse noise peak level is enlarged about 5–10 dB in the auditory meatus. The spectrum of the noise is changed in direction of higher frequencies. This is essential for damage risk criteria of impulse noise and judgement of protectors. The resonance of the meatal cavity should be considered for explanation of high tone loss through impulse noise of high energy.