[mythtv-users] Electrical power in my cable line? Is that bad?
gull at gull.us
Fri Sep 7 16:30:18 UTC 2007
On Sep 6, 2007, at 8:15 PM, Keith Pyle wrote:
> Brian Wood wrote:
>> Such problems can show up as AC hum in the video, usually as a double
>> bar slowly rising through the picture (assuming NTSC).
> I see a horizontal distortion on many recordings (see attachment,
> just below the rating box). Is this a manifestation of the AC hum
> Brian mentioned? I only see this on recordings captured with my
> PVR-500, not on televisions viewing the signal directly.
It certainly looks like a hum bar.
I have this problem with my system sometimes, but I only see it on
*some* of the channels, which makes me suspect it's actually
happening at the cable head-end.
More information about the mythtv-users