> Date: Thu, 4 Mar 2010 19:16:37 -0500
> From: [email protected]
> To: [email protected]
> Subject: Re: [ivtv-users] hvr-1600, frame CRC mismatch - incomplete frame
>
> On Thu, Mar 4, 2010 at 7:11 PM, Kyle Lil <[email protected]> wrote:
> > Thanks, Devin. Using the conversion factor you previously gave me for azap
> > output to decibels, it looks like the Windows utility is reporting the same
> > SNR. I'm trying to figure out if the glitches I'm seeing while watching
> > video in Linux (but not in Windows) are caused by differences in the
> > HVR-1600 driver or if the Windows codecs are particularly good at dealing
> > with errors. Based on what the Windows utility is reporting, it seems that
> > there are actually fewer uncorrectable errors at the tuner, which (I think)
> > points to a difference in the drivers...
>
> The SNR count should be *about* the same +/- 0.2 dB.
>
> Is this ATSC or ClearQAM?
>
> Devin
>
> --
> Devin J. Heitmueller - Kernel Labs
> http://www.kernellabs.com
>
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I just wanted to give a quick update in case anyone else is experiencing the
same problem as me. I was able to reduce my glitch rate from about 2 per minute
to approximately one every twenty minutes by changing the .qam_gain parameter
in cx18_dvb.c from 0x02 to 0x01. Does anyone know what this does physically?
Does this offer any insight as to what could be done to eliminate the remaining
errors?
Best,
Kyle
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