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

    <!-- DVB version of an AC4 descriptor -->
    <DVB_AC4_descriptor
        ac4_dialog_enhancement_enabled="bool, optional"
        ac4_channel_mode="uint2, optional">
      <ac4_dsi_toc>
        Hexadecimal content
      </ac4_dsi_toc>
      <additional_info>
        Hexadecimal content
      </additional_info>
    </DVB_AC4_descriptor>

    <!-- Previous version, still accepted for compatibility -->
    <AC4_descriptor
        ac4_dialog_enhancement_enabled="bool, optional"
        ac4_channel_mode="uint2, optional">
      <ac4_dsi_toc>
        Hexadecimal content
      </ac4_dsi_toc>
      <additional_info>
        Hexadecimal content
      </additional_info>
    </AC4_descriptor>

  </_descriptors>
</tsduck>
