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

    <NPT_reference_descriptor
        post_discontinuity="bool, default=false"
        content_id="uint7, default=0x7F"
        STC_reference="uint33, required"
        NPT_reference="uint33, required"
        scale_numerator="uint16, required"
        scale_denominator="uint16, required"/>

  </_descriptors>
</tsduck>
