IFC 4.3.2.20251105 (IFC4X3_ADD2) under development
DBA Decibels in an A-weighted scale
Decibels in an A-weighted scale
DBB Decibels in an B-weighted scale
Decibels in an B-weighted scale
DBC Decibels in an C-weighted scale
Decibels in an C-weighted scale
NC Noise criteria
Noise criteria
NR Noise rating
Noise rating
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