Measurement of Sound Field for Floor Impact Sounds Generated by Heavy/Soft Impact Sources
- Authors
- Yoo, Seung Yup; Lee, Pyoung Jik; Lee, Sin Young; Jeon, Jin Yong
- Issue Date
- Jul-2010
- Publisher
- S HIRZEL VERLAG
- Citation
- ACTA ACUSTICA UNITED WITH ACUSTICA, v.96, no.4, pp.761 - 772
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACTA ACUSTICA UNITED WITH ACUSTICA
- Volume
- 96
- Number
- 4
- Start Page
- 761
- End Page
- 772
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/174505
- DOI
- 10.3813/AAA.918330
- ISSN
- 1610-1928
- Abstract
- Field measurements of floor impact sounds at low frequencies give poor repeatability due to spatial sampling problems. In this study, the spatial distribution of heavy-weight impact sound pressure levels was investigated by field measurements using heavy/soft impact sources, which have been specified as a standard heavy-weight impact source in 140-11. The results of the present study showed that the vertical and horizontal distribution of measured sound pressure levels showed a significant room mode effect at low frequencies. Among the existing standards for measurement of a heavy-weight impact sound, KS F 2810-2 and JIS A 1440-2 provide an appropriate estimation of the room average sound pressure level for bare slab and floating floor, with respect to a low bias error and 95% confidence interval. The guideline for measurement of a heavy-weight impact source was recently proposed in order to complement the limitations of KS F 2810-2 and JIS A 1440-2, and it has been shown that the guideline appropriately performed in the test building and in living rooms of tested apartment buildings.
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