Joel Oliveira wrote:
Hi everyone -
I just got my first myth box setup (finally) using a year old dell
dimension box and a pvr-150 ... thanks to Jared everything was pretty
much a snap. A few things crept up here and there but nothing I
couldn't figure out.
One thing I've noticed since recording my shows, though, is that the
mpeg2 files, when played back on both the mythbox and my windows
machine, have audio that sounds a bit off. There's a high pitched
whine in the background of the audio as well as a tinny effect on
voices. I figure this might have something to do with the audio
processing of the PVR-150? Maybe the recording volume on that device
is too high?
Sounds to me like you've got some stray signal coupling somewhere.
Possibly a sound card mounted close to the PVR-150 and the PVR-150 is
"hearing" the electronics of the other card? You may have something
where some oscillator on the motherboard is running at the IF
(Intermedite Frequency) of the tuner module on the PVR-150.
This type of problem has not been much of one in recent years, but ask
any Ham Radio operator how badly some motherboards will interfere with
his radios.
TomW
--
Tom Walsh - WN3L - Embedded Systems Consultant
http://openhardware.net, http://cyberiansoftware.com
"Windows? No thanks, I have work to do..."
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