<?xml version="1.0" encoding="UTF-8"?>
<tsduck>
  <_descriptors>

    <audio_component_descriptor
        stream_content="uint4, default=2"
        component_type="uint8, required"
        component_tag="uint8, required"
        stream_type="uint8, required"
        simulcast_group_tag="uint8, default=0xFF"
        main_component="bool, default=true"
        quality_indicator="uint2, required"
        sampling_rate="uint3, required"
        ISO_639_language_code="char3, required"
        ISO_639_language_code_2="char3, optional"
        text="string, optional"/>

  </_descriptors>
</tsduck>
