[linux-dvb] DVB file formats

Manu Abraham manu at kromtek.com
Thu Jun 16 12:10:10 CEST 2005


Robert Schlabbach wrote:
> From: "Johannes Stezenbach" <js at linuxtv.org>
>>I would prefer "service", too.
>>How about "multiplex"? Mostly used for dvb-t, but IMHO more generic
>>than "transponder".
> 
> Time to check out the ETSI docs. See ETSI EN 300 468 chapter 3 "Definitions
> an abbreviations":
> 
> | multiplex: stream of all the digital data carrying one or more services
> | within a single physical channel

So in our case since any DVB card can tune to a single frequency, 
multiplex would seem the appropriate fit, as it is a single physical 
channel..

> 
> | service: sequence of programmes under the control of a broadcaster which
> | can be broadcast as part of a schedule
>


> Also see Figure 1, which shows the hierarchy:
> 
> Networks -> Multiplexes -> Services -> Components
> 
> So "multiplex" and "service" are the DVB/ETSI defined terms.
> 

Is service_id supposed to be unique in a bouquet too ? or is it only in 
a transponder ?

Thanks..




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