jac1dlists at gmail
Jan 10, 2010, 5:13 PM
Post #3 of 3
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Re: cx18: Temp sensor? and ATSC tuner sensitivity?
[In reply to]
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> 1) Is there any way to monitor the temperatures of the cx18 card/chipset?
>
> Not that I am aware of.
>
> That is what I thought, thanks for confirming.
> > 2) In recent testing I noticed the ATSC tuner sensitivity in two of my
> TVs
> > appears to be much better than the tuner on the cx18. Given that one of
> my
> > TVs is also a Samsung I found this a bit strange. I was experimenting
> with
> > having my ATSC antenna elsewhere in the house and sending the channels
> over
> > my internal wiring. The TVs could play the signal just fine when it was
> > split a few times but the cx18 would not lock unless I removed all but
> one
> > split in the line. What would cause such a difference between the cx18
> > tuner and the one in the TV?
>
> Could you please clarify which cx18 device you are using (since that
> largely effects which tuner/demod are onboard)?
>
Well that was an oversight, sorry about that. You are correct, the two
cards are HVR-1600s.
> Assuming you're talking about the HVR-1600, generally speaking, the
> perfomance should be comparable to Windows, although admittedly my
> previous analysis was restricted to ClearQAM performance. It would be
> a helpful exercise if you could boot up Windows and see how it does,
> as this will tell us if it's simply a hardware limitation or perhaps
> the demod is improperly programmed compared to the Windows driver.
> I have a different machine with two HVR-1600s that I will drop a HD in and
> add windows and try it under the windos driver. I have not played with the
> cards in windows before, is there a bundled or recommended app for testing
> ATSC under windows or reading signal strength.<http://ivtvdriver.org/mailman/listinfo/ivtv-devel>
>
I have a different machine with two HVR-1600s that I will drop a HD in and
add windows and try it under the windos driver. I have not played with the
cards in windows before, is there a bundled or recommended app for testing
ATSC under windows or reading signal strength?
-Jeff
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