This paper describes the design principles underlying the Round Robin Test (RRT) carried out among the laboratories of the Sound Absorption working group of the Italian Standardization Body (UNI). In recent years, the determination of the measurement uncertainties in the fields of building and room acoustics has attracted increasing attention. In particular, sound absorption in a diffuse sound field might be difficult to determine, especially for very highly absorptive materials. Results coming from different laboratories cannot always be compared, due to differences in the actual sound field found in nominally equivalent facilities. During this RRT, carefully selected samples have been measured in the reverberation rooms of the different laboratories participating in the RRT according to standard ISO 354 in force as well as the newly proposed draft. The procedure will be presented in the paper.

Design Principles of the Italian Round Robin Test on Reverberation Rooms

Barbaresi L.;D’Orazio D.;Garai M.;
2019

Abstract

This paper describes the design principles underlying the Round Robin Test (RRT) carried out among the laboratories of the Sound Absorption working group of the Italian Standardization Body (UNI). In recent years, the determination of the measurement uncertainties in the fields of building and room acoustics has attracted increasing attention. In particular, sound absorption in a diffuse sound field might be difficult to determine, especially for very highly absorptive materials. Results coming from different laboratories cannot always be compared, due to differences in the actual sound field found in nominally equivalent facilities. During this RRT, carefully selected samples have been measured in the reverberation rooms of the different laboratories participating in the RRT according to standard ISO 354 in force as well as the newly proposed draft. The procedure will be presented in the paper.
Proc. 23rd International Conference on Acoustics integrating 4th EAA Euroregio 2019 - ICA 2019
3998
4003
Scrosati C., Annesi D., Barbaresi L., Baruffa R., D’Angelo F., De Napoli G., Depalma M., Di Bella A., Di Filippo S., D’Orazio D., Garai M., Granzotto N., Lori V., Martellotta F., Moschetto A., Pompoli F., Prato A., Nataletti P., Scamoni F., Schiavi A., Serpilli F.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/701351
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