[linux-dvb] Re: tt dvb-c 2.1 and signal quality

[Torbjörn Jansson <torbjorn.jansson@mbox200.swipnet.se>]

Did my previous mail get lost somewere or is the list just a bit slow?.

Torbjörn Jansson <mailto:torbjorn.jansson@mbox200.swipnet.se> wrote:
> As some of you probably already know i have problem with the
> signal quality on my dvb-c card, i get lots of bit errors and
> uncorectable errors on some channels.
> 
> I found something intresting by accident.
> I left czap running on a channel that i have problem with
> (DisMix) and then started to compile the dvb-kernel drivers.
> During the compilation i noticed that the audio from my tv
> didn't have those audio noises that occurs with bad signal
> any more, so i checked the output from czap and there was no errors
> at all. 
> 
> So as long as i have a program that burns cpu i get perfect
> signal, zero ber and zero unc.
> 
> This is wierd, how can cpu usage affect signal quality? Is it
> posibel that the tuner somehow picks up noise from somewere?
> Or maybe it has something to do with the power supply?
> 
> Does anyone know why this happend and maybe how to fix it?
> I gues i coud leave my "while(true){}" program running at a
> low prio, but that doesn't seem like the right way to solve it.



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