7.4.4.1 Pset_AudioVisualAppliancePHistory
7.4.4.1.1 Semantic definition
Captures realtime information for audio-video devices, such as for security camera footage and retail information displays. HISTORY: Added in IFC4.
7.4.4.1.2 Applicable entities
7.4.4.1.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| PowerState | IfcPropertyReferenceValue | IfcTimeSeries | 
 Indicates the power state of the device where True is on and False is off.  | 
|
| MediaSourceHistory | IfcPropertyReferenceValue | IfcTimeSeries | 
 Indicates the media source where the identifier corresponds to an entry within the table of available media sources on Pset_AudioVisualApplianceTypeCommon.MediaSource.  | 
|
| MediaContent | IfcPropertyReferenceValue | IfcTimeSeries | 
 Indicates the media content storage location, such as URLs to camera footage within particular time periods.  | 
|
| AudioVolumeHistory | IfcPropertyReferenceValue | IfcTimeSeries | 
 Indicates the audio volume level where the integer level corresponds to an entry or interpolation within Pset_AudioVisualApplianceTypeCommon.AudioVolume.  |