Abstract
Very few studies investigated the age effect on noise-induced annoyance (discomfort) among the many studies of subjective responses to noise. It is difficult to determine a quantitative model featuring the relationship between noise-induced annoyance and age from several laboratory studies due to relatively small samples and limited age groups. This paper investigated recent studies (published after the year 2000) on noise-induced annoyance by the literature review method. We classified the studies according to their rating scales and labels of anchors and transferred annoyance values of different studies to a unified scale. A probability density function represented the age distribution in each experiment under the small sample t-distribution assumption. A weight coefficient was applied to obtain the weighted average annoyance at the age range that overlapped several studies. The noise-induced annoyance changed significantly with age in a trend of “descending-rising-falling-stable” in the process of “children-teen-youth-middle age”. We proposed a set of tentative equations to describe the relationship between noise-induced annoyance at 55 dBA and age in the range 12–55 yrs.
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