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The effect of sound field characteristics on floor impact sound measurements using a heavy/soft impact source
- Authors
- Yoo, Seung Yup; Lee, Pyoung Jik; Jeon, Jin Yong
- Issue Date
- Oct-2009
- Publisher
- Institute of Acoustics
- Citation
- 8th European Conference on Noise Control 2009, EURONOISE 2009 - Proceedings of the Institute of Acoustics, v.31, no.PART 3, pp.3427 - 3430
- Indexed
- SCOPUS
- Journal Title
- 8th European Conference on Noise Control 2009, EURONOISE 2009 - Proceedings of the Institute of Acoustics
- Volume
- 31
- Number
- PART 3
- Start Page
- 3427
- End Page
- 3430
- Abstract
- In this study, the spatial distribution of heavy-weight impact sound pressure levels was investigated by field measurements using the heavy/soft impact source, which is specified as a standard heavy-weight impact source in 140-11. The results showed that the vertical and horizontal distribution of measured sound pressure levels showed a significant room mode 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 a good estimate of the room average sound pressure level for floating floor with respect to a low bias error and 95% confidence interval. The guideline for measurement of a heavy-weight impact source was proposed in order to complement the limitations of KS F 2810-2 and JIS A 1440-2.
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