ATSC A/65:2013
Program and System Information Protocol
7 August 2013
service_location_descriptor()
shall not be present for any inactive channel.
When present, the
service_location_descriptor()
must be valid for the current event in the corresponding virtual channel.
Note that for cable, the information in the
service_location_descriptor()
is
carried in the PMT with
the syntax defined by Reference [13].
The
service_location_descriptor()
shall indicate the same Elementary Stream data as the
corresponding portion of the Program Map Table currently being transmitted. At minimum, the
Service Location Descriptor shall include the video elementary stream (if one is present in the
service), and all audio streams present in the service.
The bit stream syntax for the
service_location_descriptor()
shall be as shown in Table 6.29.
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