ISO/TC 43/SC 2
| Project No. | ISO 12999-2:2020 |
|---|---|
| Title | <p>This document specifies how to calculate:</p> <p>— the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354;</p> <p>— the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654;</p> <p>— the uncertainty of the object sound absorption coefficient according to ISO 20189; and </p> <p>— the uncertainty of the single number rating determined according to EN 1793‑1. </p> <p>Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.</p> |
| Registration number (WIID) | 68749 |
| Scope | <p>This document specifies how to calculate:</p> <p>— the uncertainty of sound absorption coefficients and equivalent sound absorption areas measured according to ISO 354;</p> <p>— the uncertainty of the practical and weighted sound absorption coefficients determined according to ISO 11654;</p> <p>— the uncertainty of the object sound absorption coefficient according to ISO 20189; and </p> <p>— the uncertainty of the single number rating determined according to EN 1793‑1. </p> <p>Furthermore, the use of uncertainties in reporting measured or weighted sound absorption coefficients is explained.</p> |
| Status | Atcelts |
| ICS group | 17.140.01 91.120.20 |