General contd.
Decoding the correct program (ie “channel”) ?
- Where there are several Transport Streams available to a decoder, in order to successfully demultiplex a program, the decoder must be notified of both the transport_stream_id (to find the correct multiplex) and the program_number of the service (to find the correct program within the multiplex).
- Note again the program here refers to the channel not the event or actual broadcast program.
Now to the various main table purposes :