[mythtv-users] pcHDTV HD3000 voo doo
bradallenfuller at yahoo.com
Wed Oct 18 21:53:49 UTC 2006
R. G. Newbury wrote:
> Yan Seiner wrote:
>> Daniel Kristjansson wrote:
>>>>> I am told the HD-3000 cards will not handle both NTSC and ATSC - this is
>>>>> an either/or situation. In looking at .20 screens, there is the GUI
>>>>> option to use the card "on demand."
>>> The HD-3000 will handle 8-VSB, QAM-64, QAM-256 and NTSC. It can
>>> only tune to one frequency at a time though, and MythTV is limited
>>> to one channel at a time per card. To configure it for both digital
>>> and analog, configure it as a DVB card and then click on the "Analog
>>> Options" button in the card config (this button only shows up for cards
>>> like the pcHDTV cards, which have an analog and digital side to them).
>>>> The HD3000 will do ATSC *or* NTSC but not both at the same time. This
>>>> requires unloading and loading of the modules. I have not tried this,
>>> Nope, just load all the cx88 drivers. Recent cx88 drivers have
>>> some problems with digital->analog switch, apparently a new
>>> "feature" which can be disabled via some module param*, but
>>> MythTV retunes as soon as it detects the driver screw up..
>> Really... So that is some powerfull voodoo. :-)
>> So I can use the HD3000 as both analog and digital. That is very cool!
>> I guess what I can do is set up the hd3000 to be the secondary analog
>> receiver, after the PVR150. I take it, though, that the analog side is a
>> BT878-type non-hardware video capture.
> Most importantly, the analog capture done by an HD3000 is done without
> any compression or other hardware assistance so your backend has to
> handle the encode to disk. This is in complete distinction to the
> hardware assist which you get with the PVR cards.
> One of the reasons I have never bothered to even try to use analpg c
> capture from my HD3000
and the resultant picture has a bit to be desired. I tried it with NTSC
cable, and it didn't look good.
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