ÖNORM EN ISO 12999-2:2020 11 01
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Acoustics — Determination and application of measurement uncertainties in building acoustics — Part 2: Sound absorption (ISO 12999-2:2020)
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11-01-2020
This document specifies how to calculate: - the uncertainty of sound absorption coefficients measured according to ISO 354 and equivalent sound absorption areas;- the uncertainty of the practical and evaluated sound absorption levels determined according to ISO 11654;- the uncertainty of the sound absorption coefficient of individual objects according to ISO 20189;- the uncertainty of the single number information determined according to EN 1793-1.
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