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Effect of alternate definitions of “high” annoyance on exposure-response functions

Abstract

The International Standards Organization (ISO) published Technical Specification (TS) 15666 in 2003 to facilitate
the comparison of results from surveys on noise annoyance. This document recommends including two standardized
questions with two standardized response scales in all surveys of long-term noise annoyance. A recently revised version of the TS proposes a weighting procedure for the response data to achieve a better similarity between the results
from the two questions. This paper analyses the results from 43 surveys conducted according to the ISO/TS 15666
recommendations. It is shown that the average difference in the response to the two annoyance questions is equivalent to a 6 dB shift in the exposure level. The proposed weighting of the verbal response whereby response category
5 (extremely) is counted in full, and category 4 (very) is weighted by a factor 0.4 creates a greater similarity between
the two responses. It is important to use a definition of prevalence of high annoyance which matches the one used for
the development of the relevant noise regulations.

Category

Article in business/trade/industry journal

Language

English

Author(s)

Affiliation

  • SINTEF Digital / Connectivity Technologies and Platforms
  • Kanagawa University

Year

2022

Published in

Journal of the Acoustical Society of America

ISSN

0001-4966

Publisher

Acoustical Society of America (ASA)

Volume

151

Issue

5

Page(s)

2856 - 2862

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