Abstract
The definition of noise annoyance used in this paper, is that, in
a certain acoustic environment, the negative subjective response
including distraction, disturbance, displeasure and anxiety can be
described as noise annoyance. We choose two types of typical areas
where the characteristic of the acoustic environment are similar
to study the influence of the visibility of the source of noise (whether
the source of noise can be seen or not) on noise annoyance. In our
research, the degree of noise annoyance is divided into five grades
according to previous international research: “not at all,” “slightly,”
“moderately,” “very” and “extremely”, they are typical fuzzy description.
The appraisal of subjective annoying response is a fuzzy event. So
the fuzzy mathematic method is applied to calculate the probability
of noise annoyance to evaluate the influence of the visibility of
the source on an individual's degree of subjective noise annoyance.
The conclusion shows that under the same acoustic environment, when
the source of noise can be seen the corresponding noise annoyance
is higher, this finding will furnish us with a new approach in the
research of the noise control.
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