The impact performance of a floor-ceiling assembly is calculated as a single number rating using the ASTM standard. The radiated SPL in the receiving room below is measured, either at discrete points or by scanning in parts of the room, and compared to a reference curve. This method suffers from non-reproducibility issues, especially in low frequencies where the sound field is non-diffuse and SPL measurements may give a large error for different locations in the room. A new method is needed that improves the reproducibility of the measurement method. We are using a simulation model to guide a new measurement method that will have a higher reproducibility. In this presentation, we will discuss some of the advances made so far and discuss the future scope of this work. This presentation provides an update on the long-term project of proposing a new measurement method for impact noise in floor-ceiling assemblies.
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March 2023
March 01 2023
Using a simulation model to guide a new measurement method for floor ceiling assembly impact performance
Sunit Girdhar;
Sunit Girdhar
Mech. Eng., Michigan Technolog. Univ., Michigan Tech University, Houghton, MI 49931, [email protected]
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Andrew Barnard;
Andrew Barnard
Acoust., Penn State, University Park, PA
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Jason R. Blough;
Jason R. Blough
Mech. Eng., Michigan Technolog. Univ., Houghton, MI
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Wayland Dong
Wayland Dong
Veneklasen Assoc., Santa Monica, California, CA
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J. Acoust. Soc. Am. 153, A21 (2023)
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A companion article has been published:
Guidelines to measure low-frequency floor impact performance with high reproducibility
Citation
Sunit Girdhar, Andrew Barnard, Jason R. Blough, John Lo Verde, Wayland Dong; Using a simulation model to guide a new measurement method for floor ceiling assembly impact performance. J. Acoust. Soc. Am. 1 March 2023; 153 (3_supplement): A21. https://doi.org/10.1121/10.0018011
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