Classification of heavy-weight floor impact sounds based on perceptual noise levels and annoyance
- Authors
- Kim, Sung Min; Hong, Joo Young; Jeon, Jin Yong
- Issue Date
- Jun-2015
- Publisher
- DC/ConfOrg
- Citation
- Euronoise 2015, pp.1139 - 1142
- Indexed
- SCOPUS
- Journal Title
- Euronoise 2015
- Start Page
- 1139
- End Page
- 1142
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/157027
- ISSN
- 2226-5147
- Abstract
- The current subjective system of classifying floor impact sound levels is insufficient and requires more accurate classification criteria Statements describing floor impact sound are collected and used to create a new statement-based scale using the equal-appearing interval scale method. An auditory experiment was conducted measuring annoyance levels and using the new statement scale to establish a floor impact noise standard in apartment buildings. Floor impact sounds from impact ball were recorded; the impact sound pressure level (SPL) and the temporal decay rate (DR) were analyzed. For the experiment, A-weighted exposure levels of the heavyweight floor impact sounds ranging from 34 to 73 dB were evaluated at 3 dB intervals. Participants used a 7-point verbal scale (annoyance level) and the new 7-pt statement scale. Consequently, a floor impact sound classification based on response statement was proposed.
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