[linux-dvb] Re: New UK DVB-T channels testing

[Oliver Endriss <o.endriss@gmx.de>]

Klaus Schmidinger wrote:
> Holger Waechtler wrote:
> > Klaus Schmidinger wrote:
> > > Dave Chapman wrote:
> > >>On Tuesday 08 October 2002 22:19, Klaus Schmidinger wrote:
> > >>>Are these frequency offsets always +/-167kHz? Will that be the
> > >>> same for other countries, too?
> > >>
> > >>In the UK the offsets (if present) are always +/- 167KHz.  I
> > >> haven't heard about offsets being used in other countries.
> >
> > Only +/-166667 offsets are specified in the DVB standard.
>
> Ah, that would make offset handling possible with just O0, O1 and O2.

IMHO this will make things more complicated than necessary.
It should always be possible to specify the exact frequency.

> > >>>I'm asking because I would like to make the frequency for DVB-T
> > >>> channels in VDR's channels.conf also be in MHz, and if that
> > >>> offset thing is in any way standardized we could just add
> > >>> another DVB-T specific parameter to cover the offset (like O0 =
> > >>> 0 kHz, O1 = +167 kHz, O2 = -167kHz).

Why do you not allow values like '490.125' in the frequency field?
This way frequency can always be specified in MHz and nobody will have 
to bother with offsets or other options.
(For your unique id you might simply drop the fractional part.)

Oliver


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