[mythtv-users] Can't get HD TV channels working

Hika van den Hoven hikavdh at gmail.com
Tue Apr 28 12:25:38 UTC 2015


Hoi John,

Tuesday, April 28, 2015, 1:45:04 PM, you wrote:

> On 28/04/15 12:11, David Watkins wrote:
>>
>> Hi Damian,
>> I'm not saying this is your problem, but I ended up in the same
>> situation and it turned out to be a signal strength issue from my antenna.
>> I'm about 8 miles from Crystal Palace transmitter with a roof antenna,
>> so I get pretty good reception. However, I initally fround that my
>> PCTV292e would only tune the SD channels. I had a four-way passive
>> antenna splitter at the time. With an active splitter the PCTB292e was
>> able to tune both SD and HD but my other tuner (Hauppage NovaT USB)
>> would not tune the SD channels at all, but which I inferred that the
>> antenna signal was now too strong for it?
>> I'm currently running with an active splitter and an attenuator in the
>> line to the Nova T.
>> It might be worth experimenting with your aerial connection arrangements
>> to see if you can strengthen or weaken the signal and whether that makes
>> a difference.

> I'm glad to see this.  I was beginning to wonder if /anyone/ had a 292e
> working with HD in Myth without a patch.

> ...and I think it might be worth checking that you really /are/ using 
> the device that you intend to use.  At present a reboot still puts my 
> tuners in quasi-random order and I have to unplug/replug my usb device,
> perhaps several times, to make sure it's properly initialised.  dmesg |
> grep adapter can be useful.

Why not use udev to create them consistent? Even if you have two equal
devices you can distinguish them by pci or usb ID. You then of cause
have to plug them always in the same port!

> ...and testing with vlc might still be useful too, although clearly it
> won't help in sorting out anything that's Myth-specific.

> Good luck.

> John



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Tot mails,
  Hika                            mailto:hikavdh at gmail.com

"Zonder hoop kun je niet leven
Zonder leven is er geen hoop
Het eeuwige dilemma
Zeker als je hoop moet vernietigen om te kunnen overleven!"

De lerende Mens



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