[mythtv-users] Proper Recording Resolution and Video Quality

David Brodbeck gull at gull.us
Mon Nov 27 07:35:18 UTC 2006

Open Media Support wrote:
> The /// patern is probably off your cable box or on the PVR500 tuners. You
> need to get better shielded cable and make sure your signal strength is
> high enough. The PVR500 cards have a built in splitter that causes some
> loss and shows up crosstalk.

Sometimes interference from other stuff inside the computer case can
cause that, too.  Moving the card to another slot sometimes helps.  In
particular, I find it's best to avoid putting encoder cards next to
video (output) cards, because video cards tend to be electrically "noisy."

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