[mythtv-users] a few fuzzy channels
m_g_j at michaelandholly.com
Tue Jul 5 20:39:22 EDT 2005
When I've had a similar problem it was due to a bad coax cable (actually
whose shielding - about 2" of it - had been stripped from it by a curious
critter outside the house)
>From what I understand from a friend of mine at a local TV station.. it
doesn't take much to corrupt or introduce noise into a signal.. and by
chance.. 69-70 seem to be an issue (or at least the most sensitive to noise)
according to a tech from Comcast (who found the critter damage).
I would start by making a connection directly from your source feed (without
any splitters & amps (these 2 can be especially nasty), splices.. etc with a
KNOWN GOOD cable. And see if the problem changes/goes away.
If it does.. you know the solution.. if it doesn't.. well.. Got me.. Get a
Comcast Tech out there and see if they can find something before your house.
> From: <wmaccormack at comcast.net>
> Reply-To: Discussion about mythtv <mythtv-users at mythtv.org>
> Date: Sat, 02 Jul 2005 16:15:17 +0000
> To: <mythtv-users at mythtv.org>
> Subject: [mythtv-users] a few fuzzy channels
> Almost there!!
> I've got a WinTV-PVR350, using kernel 2.6.9 vanilla, Myth 0.18-1,
> ivtv-0.2.0-rc3j. Everything is up and running on my dual screen setup. Yay!
> Here's the problem. . .
> I've got a couple of fuzzy channels (ch 69 and 70). Unfortunately those are
> channels I like and may want to record stuff on. My cable is split coming
> into the house, I've got a signal booster, and then another split, out to TV
> and WinTV card (same type of cable). When I watch those channels on regular
> TV the picture is clear, but when I watch them through myth, they're fuzzy.
> I've tried using us-cable and us-cable-hrc(I think that's what it's called),
> no love. I did a bit of google searching and saw that it may be caused by
> noise coming from other pci cards (sound) or my video card (NVidia GeForce
> FX5200 AGP). I've now removed my sound card (don't need it) and placed the
> WinTV card as far as possible away from my video card.
> The gods of google also mentioned that it may be a frequency issue within
> Myth, but I have absolutely no idea how to change those by hand.
> Has anyone else had this type of problem, or know how to fix it?
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