URC 

This can be used to specify a unique synchronization pattern in the PCM frame.

Element Information

Model

ALL(Pattern NumberOfBits Location)
Children: Location, NumberOfBits, Pattern

Source 

<xs:element name="URC" minOccurs="0">
  <xs:annotation>
    <xs:documentation xml:lang="en">This can be used to specify a unique synchronization pattern in the PCM frame.</xs:documentation>
  </xs:annotation>
  <xs:complexType>
    <xs:all>
      <xs:element name="Pattern" default="0">
        <xs:annotation>
          <xs:documentation xml:lang="en">The bit pattern which is used to synchronize.</xs:documentation>
        </xs:annotation>
        <xs:simpleType>
          <xs:restriction base="xs:string">
            <xs:pattern value="[10]+"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="NumberOfBits" type="xs:unsignedInt">
        <xs:annotation>
          <xs:documentation xml:lang="en">The length of the synchronization pattern used.</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="Location" type="FrameLocationType">
        <xs:annotation>
          <xs:documentation xml:lang="en">Identifies a location in a frame.</xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:all>
  </xs:complexType>
</xs:element>

Sample