PSET_TYPEDRIVENOVERRIDE / IfcDistributionFlowElement
Sound Generation | Common definition to capture the properties of sound typically used within the context of building services and flow distribution systems. This property set is instantiated multiple times on an object for each frequency band. HISTORY: New property set in IFC Release 2x4. | |
建物管理・空気の搬送システムに関連する設備の騒音性能指標。周波数バンド(帯域幅)1HZにおけるある音の強さの倍数で表示する。履歴:IFC4に新たに定義された。 |
Item | SPF | XML | Change | Description | IFC4X3_ADD2 to IFC4X4_draft |
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Pset_SoundGeneration | ||||
SoundPressureLevel | ADDED |
Name | Type | Description | ||||||
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SoundCurve | P_TABLEVALUE / IfcFrequencyMeasure / IfcSoundPowerMeasure |
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SoundPressureLevel | P_SINGLEVALUE / IfcSoundPressureLevelMeasure | The sound pressure level measured at a specific location (e.g. 10m at 45 degrees). |