IfcAudioVisualApplianceTypeEnum

Natural language names
enAudio Visual Appliance Type Enum
frÉnumération des types d'appareil audiovisuel
Change log
ItemSPFXMLChangeDescription
IFC2x3 to IFC4
    IfcAudioVisualApplianceTypeEnumADDED
Semantic definitions at the type
Type definition

Defines the range of different types of audio-video devices that can be specified.

HISTORY  New enumeration in IFC4.
Enumeration definition
ConstantDescription
AMPLIFIERA device that receives an audio signal and amplifies it to play through speakers.
CAMERAA device that records images, either as a still photograph or as moving images known as videos or movies. Note that a camera may operate with light from the visible spectrum or from other parts of the electromagnetic spectrum such as infrared or ultraviolet.
DISPLAYAn electronic device that represents information in visual form such as a flat-panel display or television.
MICROPHONEAn acoustic-to-electric transducer or sensor that converts sound into an electrical signal. Microphones types in use include electromagnetic induction (dynamic microphones), capacitance change (condenser microphones) or piezoelectric generation to produce the signal from mechanical vibration.
PLAYERA device that plays audio and/or video content directly or to another device, having fixed or removable storage media.
PROJECTORAn apparatus for projecting a picture on a screen. Whether the device is an overhead, slide projector, or a film projector, it is usually referred to as simply a projector.
RECEIVERA device that receives audio and/or video signals, switches sources, and amplifies signals to play through speakers.
SPEAKERA loudspeaker, speaker, or speaker system is an electroacoustical transducer that converts an electrical signal to sound.
SWITCHERA device that receives audio and/or video signals, switches sources, and transmits signals to downstream devices.
TELEPHONEA telecommunications device that is used to transmit and receive sound, and optionally video.
TUNERAn electronic receiver that detects, demodulates, and amplifies transmitted signals.
USERDEFINEDUser-defined type.
NOTDEFINEDUndefined type.
Formal representations
XSD Specification
 <xs:simpleType name="IfcAudioVisualApplianceTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="amplifier"/>
   <xs:enumeration value="camera"/>
   <xs:enumeration value="display"/>
   <xs:enumeration value="microphone"/>
   <xs:enumeration value="player"/>
   <xs:enumeration value="projector"/>
   <xs:enumeration value="receiver"/>
   <xs:enumeration value="speaker"/>
   <xs:enumeration value="switcher"/>
   <xs:enumeration value="telephone"/>
   <xs:enumeration value="tuner"/>
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
EXPRESS Specification
TYPE IfcAudioVisualApplianceTypeEnum = ENUMERATION OF (
 AMPLIFIER,
 CAMERA,
 DISPLAY,
 MICROPHONE,
 PLAYER,
 PROJECTOR,
 RECEIVER,
 SPEAKER,
 SWITCHER,
 TELEPHONE,
 TUNER,
 USERDEFINED,
 NOTDEFINED);
END_TYPE;

Link to EXPRESS-G diagram EXPRESS-G diagram

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