A low immission due to stucture-borne sound sources is a major component of the acoustic quality inside buildings. After many years of research, methods have been standardised to characterise such sources (EN 15657) and to predict their impact in buildings (EN 12354-5). This contribution is dedicated to the question what the uncertainty of the source descriptors and the predicted installed sound power is. To answer this question, an interlaboratory test with an artificial source was performed. Altogether 7 laboratories participated, and estimates for the uncertainties of the source descriptors could be deduced from the measurement results. Additionally, measurements were performed with a standardised structure borne sound source, the ISO tapping machine, by all participating laboratories. The measured source descriptor for this source turned to be well in accordance with the theoretically predicted values thereby validating this theoretical prediction.
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Open Access Gold
Rechteinformation
CC BY 4.0 ; Creative Commons Attribution 4.0 License
Themenbereich der Metrologie
Akustik, Ultraschall, Beschleunigung
Zitierung
Wittstock, V., Scheck, J., & Villot, M. (2022). Structure-borne sound sources in buildings - estimating the uncertainty of source properties and installed power from interlaboratory test results. Acta Acustica, 6, 1–12. https://doi.org/10.1051/aacus/2022012
