[mythtv-users] Balance volume across tuners

Mark Knecht markknecht at gmail.com
Thu Jan 18 19:01:10 UTC 2007

On 1/18/07, Tom Lichti <tom at redpepperracing.com> wrote:
> Mark Knecht wrote:
> > On 1/18/07, Tom Lichti <tom at redpepperracing.com> wrote:
> >> jk-myth at kleeh.com wrote:
> >>> The volume level for channels on my HDHR is significantly lower than
> >>> channels tuned with the PVR-500 - is there a way to set volume levels per
> >>> channel or per tuner?
> >> No. I tried to start a pledge to get someone to develop it, but it
> >> didn't generate any interest. What I did was a bit of a hack, but it
> >> works for me. I have 2 PVR-250's, a PVR-150, and an HDHR, the PVR150 is
> >> significantly quieter than all the other tuners (by 12db, if I recall
> >> correctly) so I commented out the code in Myth that sets the volume, and
> >> I manually set the volume for each PVR card at boot time (quiet the
> >> 250's and raise the 150) and the volume levels are pretty much bang on
> >> now. The HDHR records the audio at whatever the stream contains, so
> >> there is nothing you can do there, but it appears that the audio levels
> >> are fairly consistent in the digital recordings I am getting.
> >>
> >> Tom
> >
> > Tom,
> >    What commands do you use to set volume levels on your cards. I also
> > have 150's and 250's and have the same problem.
> >
> > Thanks,
> > Mark
> Sorry, fumble fingers hit the wrong key...
> I have 2 PVR-250's and one PVR-150, in that order they get set with this:
> /usr/local/bin/ivtvctl -d /dev/video0 -y volume=58950
> /usr/local/bin/ivtvctl -d /dev/video1 -y volume=58950
> /usr/local/bin/ivtvctl -d /dev/video2 -y volume=65024
> That is with IVTV 0.4.x, newer/older versions may differ.
> Tom

Thanks much. I'll check that out.


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