Re: Poor reception with Hauppauge HVR-1600 on a ClearQAM cable feed

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On Wed, Oct 14, 2009 at 7:01 AM, Simon Farnsworth
<simon.farnsworth@xxxxxxxxxx> wrote:
> Andy Walls wrote:
>> Have your remote user read
>>
>> http://www.ivtvdriver.org/index.php/Howto:Improve_signal_quality
>>
>> and take any actions that seem appropriate/easy.
>>
> I'll try that again - they're grouching, because their TV is fine, and
> the same card in a Windows PC is also fine. It's just under Linux that
> they're seeing problems, so I may not be able to get them to co-operate.
>>
>> The in kernel mxl5005s driver is known to have about 3 dB worse
>> performance for QAM vs 8-VSB (Steven Toth took some measurements once).
>>
> Am I misunderstanding dmesg here? I see references to a Samsung S5H1409,
> not to an mxl5005s; if I've read the driver code correctly, I'd see a
> KERN_INFO printk for the mxl5005s when it comes up.

Simon, the HVR-1600 has both an s5h1409 and an mxl5005s - the s5h1409
is the digital demodulator and the mxl5005s is the tuner chip.

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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