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

    <ATSC_AC3_audio_stream_descriptor
        sample_rate_code="uint3, required"
        bsid="uint5, required"
        bit_rate_code="uint6, required"
        surround_mode="uint2, required"
        bsmod="uint3, required"
        num_channels="uint4, required"
        full_svc="bool, required"
        mainid="uint3, optional"
        priority="uint2, optional"
        asvcflags="uint8, optional"
        text="string, optional"
        language="char3, optional"
        language_2="char3, optional">
      <additional_info>
        Hexadecimal content
      </additional_info>
    </ATSC_AC3_audio_stream_descriptor>

  </_descriptors>
</tsduck>
