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Journal of the Korean Society of Safety (한국안전학회지)
- Volume 20 Issue 2 Serial No. 70
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- Pages.73-78
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- 2005
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- 1738-3803(pISSN)
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- 2383-9953(eISSN)
An Experimental Study on the Psycho-acoustic Response to Alarming Sound in a Fire
화재발생시 음향통보장치 신호음의 청감반응에 관한 실험적 연구
Abstract
A fire is occurring increasingly every you and the damage is bigger in proportion to the number. Therefore a fire is classified as a serious calamity. It is important to evacuate and fight a fire by early Perception. However, if the alarming sound is not perceived when a fire breaks out the damage could be expanded. From this point of view, this study aims to analyse the correlation between alarming sound sources and sound quality parameters through psycho-acoustic experiment using Korean vocabularies extracted by existing study. The sound sources more dangerous, tense and urgent were chosen. The results from this study are as follows: 1. airraid, klaxon2 and S.O.S got a point more than conventional alarming sound.2. correlation coefficient between Loudness(L) and Unbiased Annoyance(UA) was highest with 0.63 md Sharpness(S) and Roughness(R) was -0.40 and Fluctuation Strength(FL) and Tonality(T).