[linux-dvb] Re: Reception performance with Avermedia DVB-T

[Martin Stubbs <martin@mstubbs.co.uk>]

Holger,


> > I have my Avermedia DVB-T card working successfuly with Mythtv but I am
> > finding that the reception performance is poor when I compare it to the
> > performance under Windows.
> >
> > When I use tzap I get the FE_HAS_LOCK message maybe 50% of the time on
> > the best Mux. Scan will only identify the channels on the worst Mux
> > occassionally. This compares with using the card under windows where only
> > occasional artifacts appear on the worst channels.
> >
> We have similiar problems with the MT7072 frontend on the fx2 USB board.
> Either the driver is not yet optimal or the frontend has some serious
> problems -- can you please try the Windows driver and report whether
> this is working better? If so we should maybe exchange the firmware or
> try to find out what the Avermedia people are doing differently in their
> driver. I have to admit that the sp887x driver is kind of a
> quick'n'dirty hack, this one can get probably much better if someone has
> some time to spend on the task improving this driver...
>
> Holger

I can confirm that the card performs much better using the latest Avermedia 
driver under Windows than it does with the linux sp887x driver. 

Martin


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