==== EAC3_audio_descriptor

Defined by ATSC in <<ATSC-A52>>.

This is the ATSC version of the Enhanced-AC-3 descriptor.
DVB uses a distinct descriptor.

[source,xml]
----
<ATSC_EAC3_audio_descriptor
    mixinfoexists="bool, required"
    full_service="bool, required"
    audio_service_type="uint3, required"
    number_of_channels="uint3, required"
    bsid="uint5, optional"
    priority="uint2, optional"
    mainid="uint3, optional"
    asvc="uint8, optional"
    substream1="uint8, optional"
    substream2="uint8, optional"
    substream3="uint8, optional"
    language="char3, optional"
    language_2="char3, optional"
    substream1_lang="char3, optional"
    substream2_lang="char3, optional"
    substream3_lang="char3, optional">

  <additional_info>
    Hexadecimal content
  </additional_info>

</ATSC_EAC3_audio_descriptor>
----
