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Homepage>BS Standards>17 METROLOGY AND MEASUREMENT. PHYSICAL PHENOMENA>17.140 Acoustics and acoustic measurements>17.140.01 Acoustic measurements and noise abatement in general>BS EN ISO 12999-2:2020 Acoustics. Determination and application of measurement uncertainties in building acoustics Sound absorption
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immediate downloadReleased: 2020-07-16
BS EN ISO 12999-2:2020 Acoustics. Determination and application of measurement uncertainties in building acoustics Sound absorption

BS EN ISO 12999-2:2020

Acoustics. Determination and application of measurement uncertainties in building acoustics Sound absorption

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Standard number:BS EN ISO 12999-2:2020
Pages:16
Released:2020-07-16
ISBN:978 0 539 02356 5
Status:Standard
DESCRIPTION

BS EN ISO 12999-2:2020


This standard BS EN ISO 12999-2:2020 Acoustics. Determination and application of measurement uncertainties in building acoustics is classified in these ICS categories:
  • 91.120.20 Acoustics in building. Sound insulation
  • 17.140.01 Acoustic measurements and noise abatement in general

This document specifies how to calculate:

  1. the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354 ;

  2. the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654 ;

  3. the uncertainty of the object sound absorption coefficient according to ISO 20189 ; and

  4. 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.