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 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
