> > > > The tinny audio problem plagued a lot of people in the past, but I > > haven't heard about this for quite some time now. Please > make sure you > > are using the latest version (preferably the 'bleeding > edge' code from > > http://www.ivtvdriver.org/index.php/Download#Bleeding_Edge_driver). > > > > It seems that this problem only hits NTSC cards and it seems to be > > related to some interaction between the audio chip and the cx23416. > > After I made some changes in the way this is handled the problem > > disappeared, although I never quite understood what was going on > > internally. And I think that in one or two cases it was > actually a bad > > card, so I wonder if you could get hold of another PVR500 to test > > with. > > > > Regards, > > > > Hans > >
I think I was the first to report this problem. I still have it occur occasionally but not nearly as often as before. I only use MythTV, and I have a PVR150 and a PVR350. We usually only watch live TV on the PVR350 so sometimes we get tinny audio and we just change the channel away, then back to what we were watching. That usually takes care of the problem. The fix applied back when it was worse was to execute an ivtvctl command as often as possible, but not too often as to become a nuisance to the machine. I did it every 5 seconds. The script I used is listed below. I used cron to run this every minute but the 5 second time is inside. The q params were different for each card, that may be changed now with newer drivers. I'm currently running 2.6.24 and I think driver version 1.0.3. At least that's the version reported by ivtvctl. I don't use this script anymore though and the problem does not occur nearly as often as before. #!/bin/bash SLEEP_TIME=5 DURATION=60 COUNT=1 while [ $((COUNT * SLEEP_TIME)) -lt $DURATION ] do /usr/local/bin/ivtvctl --device=/dev/video0 -q2 1>&2 /usr/local/bin/ivtvctl --device=/dev/video1 -q1 1>&2 sleep $SLEEP_TIME ((COUNT++)) done
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