[linux-dvb] Re: different picture size

[Matt <zagnimp@aom.bt.co.uk>]

Hi Marcus,

But I think you can only have one LNB to one dish is this
correct or is there a dish with two LNB's is this analogue
or digital ?

Then one needs to purchase 2 dishes inc LNB's ?

I agree the position of the LNB is directed to the satellite
and so you can only see that satellite for which it is directed too.

So the LNB is not independent and the card can only view/decode the
current selected channel you can't get the the card or the LNB to spilt the
channel ie view two channels.

Blast this is frustrating and limited what is meant by receiving 'multi streams'

if its not different channels - remember I am new to this ?

Regards

Matt

"Marcus O.C. Metzler" wrote:

> prakash writes:
>  > hello all,
>  > these are the questions which came while playing with the dvb
>  > card(!seimens),
>  >
>  > 1)I just recorded the streams(using NAPI) from fashion tv and tv tunisia
>  >   and tried to playback with a standard decoder(mssg). The decoder says
>  >   the picture size is 480x576? Is this size correct, if so, how is it
>  >   displayed on the normal television?  How does the DVB card handel such
>  >   format?
> This is correct, the picture is stretched in x-direction by the hard-
> or software decoder. This format is used to save satellite bandwidth
> (= money) and quite usual. The SVCD PAL format for example is the same.
>
>  > 2) Is it possible to have multiple dvb cards on the same system to receive
>  >    multiple streams from the same satellite(freq), if the hardware does
>  >    not allow(as of now)?
>
> You can have multiple cards, but you need two LNBs if you want to view
> channels completely independently. If you only have one LNB you can
> only receive multiple streams from the same polarization and satellite
> band.
>
> Marcus
>
> ---------------------------------------------------------------------
> Dr. Marcus Metzler
> mocm@netcologne.de                     http://www.metzlerbros.de
> mocm@convergence.de                    http://www.convergence.de
>
> Convergence Integrated Media GmbH
> Rosenthaler Str. 51
> D-10178 Berlin
> ---------------------------------------------------------------------
>
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