Article,

Maximum noise levels in road traffic noise

.
Journal of Sound and Vibration, (1988)

Abstract

Certain field investigations have shown that the correlation between the extent of annoyance due to road traffic noise and the noise dose expressed in Leq is rather poor. A higher correlation was found when the expression of the noise dose was based upon the maximum noise level (MNL) from the single noisiest event. To determine the relation between Leq and MNL according to different principles, 24-h measurements were made for a period of 5 days in 18 streets with various types of traffic noise exposure. Analyses were made of the variation in MNL during different times of day and of the correlation between MNL during different times of day and of the correlation between MNL and other noise indices. Leq and MNL during day, evening and night were not related. It is suggested that investigations be performed focussing on the extent of annoyance in streets with similar Leq values where the MNL for day, evening and night is different.

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