==== MPEGH_3D_audio_command_descriptor

Defined by MPEG in <<ISO-13818-1>>.

The _MHAS_ structure is a MHAS packet of the type `PACTYP_USERINTERACTION` as defined in <<ISO-23008-3>>.
Currently, it can only be represented as a binary blob in hexadecimal characters.
Some future version may be able to describe the internal structure of this data block.

[source,xml]
----
<MPEGH_3D_audio_command_descriptor>
  <MHAS>
    Hexadecimal content
  </MHAS>
</MPEGH_3D_audio_command_descriptor>
----
