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

    <terrestrial_delivery_system_descriptor
        centre_frequency="TerrestrialFrequencyHz, required"
        bandwidth="8MHz|7MHz|6MHz|5MHz, required"
        priority="HP|LP, required"
        no_time_slicing="bool, required"
        no_MPE_FEC="bool, required"
        constellation="QPSK|16-QAM|64-QAM, required"
        hierarchy_information="uint3, required"
        code_rate_HP_stream="1/2|2/3|3/4|5/6|7/8, required"
        code_rate_LP_stream="1/2|2/3|3/4|5/6|7/8, required"
        guard_interval="1/32|1/16|1/8|1/4, required"
        transmission_mode="2k|8k|4k, required"
        other_frequency="bool, required"/>

  </_descriptors>
</tsduck>
