[mythtv-users] pcHDTV 3000: Questions from a MythTV newbie
David ellis
david at ellisonline.ca
Sat Jul 30 23:56:30 EDT 2005
I also concur - the card is great.
I've got two of them on a backend here and after several weeks of
driver changes, antenna movement, etc. I got them working nicely with
10 channels beamed from 40K away (buffalo to Toronto).
Some general notes:
- the card seems to work best with a audio sampling of 32000 (this is
the default for myth), if you change this you'll get skittering audio.
- Your in for a world of pain if you try and combine them with ivtv
based tuners (like the 250 and 350), I eventually just moved them off
to a dedicated backend to avoid the driver conflicts.
- If you get jumpy video or audio you may need to play with XVMC or
real time threads to smooth out the playback.
- Tuning channels can result in "Green Blocks", I used the advanced
option on the card definition screen to use "Open on Demand". If you
tune a channel and get green blocks - simply exit live tv and reopen
- the blocks will be gone.
David
David
On 30-Jul-05, at 11:17 PM, Chad wrote:
> On 7/29/05, Brandon Rogers <blrogers at ieee.org> wrote:
>
>> Thanks, David for you comments. I found out that I had a bad
>> firmware file.
>> I replaced it and the scan started working as it should. I do
>> have another
>> question, though... Do the DVB drivers need a stronger signal
>> than the v4l
>> drivers? I've noticed that when I use the v4l drivers with xine,
>> I get
>> several (about 10) HD channels) in the area. My HDTV also
>> receives about
>> that many. However, when I do a scan with the DVB drivers, I only
>> get one
>> channel locked and tuned. Does that sound strange? Also, I do
>> have a
>> pretty cheesy antenna, but it seems to work well enough for me
>> right now.
>> What kind of antenna setups (rotating attic setups, outdoor
>> stationary
>> mounts, etc) does everyone have?
>>
>> Thanks,
>> Brandon
>>
>>
>
> I struggled quite a bit at first getting my card setup, but it's
> really solid once you are done. Most of the info I used is on this
> list, but some of it is on the pchdtv.com forums. The channel bit I
> ran into to, it seemed that whatever channel I tuned to using
> dtvsignal (I think, it's been a bit since I actually used anything but
> myth to tune a channel) would be the channel it was stuck on when
> scanning. Use Scan for channels using existing transport, it seemed
> to be the option that finally worked for me.
>
> Good Luck!
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