ifc:IfcAudioVisualApplianceTypeEnum

<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>