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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