Analysis of criteria for impulse noise in the context of regularity limits on exposure in the workplace
Keywords:
acoustic noise, hearing, impulse noise, regularity limits, auditory effectsAbstract
The auditory effects of impulse noise have gained considerable interest among hearing researchers during the last decade. But available evidence relating hearing damage risk to the various physical parameters of this kind of noise still form a fragmental body of knowledge. Because of this situation, occupational exposure limits are often proposed or set in terms of only one or two of the various relevant characteristics of impulse noises or in terms of arbitrary discontinuities in the physical parameters of noise. Also, procedure for the measurement of exposure to industrial impact noise are rather complex and unpractical. Scientific issues and practical problems raised by several empirical definitions of `impulsiveness' are discussed. A provisional integrated framework is proposed and implications for future research are discussed
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