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Acoustics. Determination and application of measurement uncertainties in building acoustics -- Sound absorption
This document specifies how to calculate:
the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354;
the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654;
the uncertainty of the object sound absorption coefficient according to ISO 20189;
the uncertainty of the single number rating determined according to EN 1793-1.
Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.
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