group SoundChildContentModel

diagram
children	AudioClip MovieTexture ProtoInstance
annotation	appinfo SoundChildContentModel is the legacy child-node content model utilized by Sound node.  SoundChildContentModel can contain a single AudioClip or MovieTexture as sound source. Updated by AudioGraphContentModel.
source	<xs:group name="SoundChildContentModel">   <xs:annotation>     <xs:appinfo>SoundChildContentModel is the legacy child-node content model utilized by Sound node.  SoundChildContentModel can contain a single AudioClip or MovieTexture as sound source. Updated by AudioGraphContentModel.</xs:appinfo>     <xs:documentation source="https://www.web3d.org/specifications/X3Dv4/ISO-IEC19775-1v4-IS/Part01/components/sound.html#Sound"/>   </xs:annotation>   <xs:choice>     <xs:annotation>       <xs:documentation>source</xs:documentation>     </xs:annotation>     <xs:element ref="AudioClip"/>     <xs:element ref="MovieTexture"/>     <xs:element ref="ProtoInstance">       <xs:annotation>         <xs:documentation>Appropriately typed substitution node</xs:documentation>       </xs:annotation>     </xs:element>   </xs:choice> </xs:group>

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