Abstract
A few years ago, Schomer [Noise Control Eng. J. 42(5), 179–191 (1994)] developed a new rating procedure for high-energy impulsive sounds, in which a level-dependent conversion of the C-weighted sound exposure levels (CSELs) of the impulses into A-weighted sound exposure levels (ASELs) of equally annoying vehicle sounds was applied. In a recent reanalysis, Vos [Noise Control Eng. J. 45(3), 123–131 (1997)] showed that at least for artillery sounds, the optimal parameter values to be used in this level-dependent conversion procedure were different from those suggested by Schomer. The experimental results from a new field survey on the community response to artillery and road-traffic sounds (Buchta and Vos, these proceedings) provide a new opportunity to optimize the conversion procedure. The present effort is especially interesting because here, in contrast to previous analyses, large sets of different CSEL values per noise zone are available (for most of the zones the impulses originating from tens of different firearm/shooting range combinations were considered), and the annoyance ratings for the impulsive and road-traffic sounds had been determined with similar questions and for the same group of respondents, facilitating a comprehensive estimate of the adequate parameter values.
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