[linux-dvb] Re: Picture Quality

[Axel Gruber <axelgruber2@gmx.de>]

> I see many mpeg based artifacts more or less on any station. Small ones
> around contours with high contrast and motion related artifacts. So the
> overall picture impression is quite less than with my old analog cable.
> Thereīs only less noise.

> Is that really normal, because of the relatively low data rate ? Is Sat TV
Yes - this is normal ! :-(
> that problematic ?
Satelite Capacity is expensice so the TV-Stations put as much as possible Programms at each Transponder.

For example: Premierewold has a realy bad picture! They sent it in only 480*576 and your CARD have to make a Full-Sice picture for your TV ! - The second thing is that they sent with realy low BITRATE: 2,8MBIT - 3,9MBIT.

Other PayTV Statios (for example French) sent with much highter Bitrates and the Picture Quality is much better !

But the thing i realy hate is the Audio-Quality - Premiereworld ony sent 360kb/s an the Channel "Premiere" - only there you get a realy good DOLBY Surround - at all other PW channels the Audio-Bitrate is much lower - so you donīt get good DolbySurround Effects :-(


> Or is it due to the DVB card and its decoding ?  I saw the same problems
> on
> some DVD players, they also had trouble decoding.  So it might be just a
> decoding issue in most cases.

No ... - Same Problem with DBOX1 and DVB2000 Software !

> I got a Hauppauge (rev 1.3) which runs quite hot. A friend told me his
> Technisat runs very cool.
> Are there different revisions of the cards, or does it not matter ?

all Cardīs are making the same Job - some cardīs make it a little bit better - but - i have also 3 Hauppauge-Cardīs (Siemens-Technotrend) - and the Picture is realy the same like DBOX1.





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