I have a problem receiving audio on some channels with my PVR-150. Some
channels work, others don't work at all, and for some channels it takes a
few seconds for the audio to "kick in". By looking at the archives to this
list, I found a solution that does restore the audio: ivtvctl -g
reg=0x808,val=0x1f. The problem is that the register gets trashed again
when I change channels so the command has to be reissued. Since I'm using
Mythtv, I figured I'd write a script to automate the process:
#!/bin/bash
ivtv-tune -c $1
ivtvctl -g reg=0x808,val=0x1f
The script runs just fine and changes channels, however the audio still
doesn't work. If I run the script from an ssh session on another computer
while Mythtv is running then it changes channels and the audio works as
well. The only thing I can think of is that Mythtv is doing something to
trash that register after my "fix" has been executed. The question is,
what would cause that? I've read that it was a hardware bug with the tuner
but what could cause that register to corrupt?
Thanks,
Shawn
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