Re: Disassembling the EIT

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Robert Schlabbach wrote:
> From: "Felix Domke" <tmbinc@xxxxxxxxxxxx>
>>Original Network ID (=ONID), ServiceID (=SID) should uniquely identify a
>>service. (In reality, it's not so easy, but let us assume it's true).
>>every ONID:SID (i.e.: "service", or "service definition") has an
>>associated TSID, i.e. the TSID where this service can be found. There
>>are no two ONID:SID combinations with different TSIDs.
> I think the above is wrong. From ETSI EN 300 468 V1.7.1:
> | The combination of original_network_id and transport_stream_id allow
> | each TS to be uniquely identified throughout the ETS application area.
> | service_id: This is a 16-bit field which uniquely identifies a
> | service within a TS.
> So it is actually the triple ONID:TSID:SID which uniquely identifies a
> service, not just the ONID:SID pair as you wrote.
Hm, yes.

Looks you're right. I think i've got confused by the fact that some
tables only specify a service_id without a tsid, but in these cases,
there's always a footnote that the service must be on the same TS.

regards,
Felix

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