Sound Pressure Measure | |
Mesure de pression sonore |
A sound pressure measure is a measure of the pressure fluctuations superimposed over the ambient pressure level with units of pascals.
Type: REAL
HISTORY New type in IFC2x2, changed in IFC4. See also IfcSoundPressureLevelMeasure for using the unit decibel, i.e. relativ to a reference value.
<xs:simpleType name="IfcSoundPressureMeasure">
<xs:restriction base="xs:double"/>
</xs:simpleType>
TYPE IfcSoundPressureMeasure = REAL;
END_TYPE;
References: IfcDerivedMeasureValue