8.11.2.91 IfcSoundPressureLevelMeasure
8.11.2.91.1 Semantic definition
A sound pressure level measure is a measure of the pressure fluctuations superimposed over the ambient pressure level with units of decibels with a reference value of micropascals.
Type: REAL
8.11.2.91.2 Formal representation
TYPE IfcSoundPressureLevelMeasure = REAL;
END_TYPE;