[mythtv-users] HDTV digital static with DVB
Preston Crow
pc-mythtv05b at crowcastle.net
Mon Nov 7 14:48:41 EST 2005
I'm having trouble with digital static-like artifacts on my HDTV
recordings using the DVB drivers. This seems to be unrelated to signal
strength, but noticeably impacted by system load. If I'm watching a
recording or recording another channel on another tuner, the problem
gets worse.
I know that my system has the throughput to handle the bandwidth, so it
seems that there's some buffer that's too small, but I haven't been able
to find it.
This has been an issue with my HD-2000 card for several months, so it's
not a recent driver change.
My system:
HD-2000 with rooftop antenna for ATSC (works fine with video4linux drivers)
Air2PC HD-5000 with digital cable QAM (works perfectly with non-HD channels)
Kernel: 2.6.14 with CVS DVB drivers (for HD-5000 support).
All DVB drivers built into the kernel (not modules).
Probably irrelevant:
ivtv-0.4.0 for PVR-250
AMD 2500+
SATA drive
nVidia FX5200 with xvmc
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