NF EN ISO 12999-2:2020
Current
The latest, up-to-date edition.
Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 2 : sound absorption
Hardcopy
English - French
07-01-2020
This document specifies how to calculate: —the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according toISO354; —the uncertainty of the practical and weighted sound absorption coefficients determined according toISO11654; —the uncertainty of the object sound absorption coefficient according toISO20189; and —the uncertainty of the single number rating determined according toEN1793-1.
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