[mythtv-users] no audio PVR-500

Greg Woods greg at gregandeva.net
Thu May 18 13:13:22 UTC 2006

On Tue, 2006-05-16 at 22:26 -0600, Greg Woods wrote:
> I just upgraded everything via AT rpms, so I am now at:
> ivtv-0.6.2-110.rhfc5.at
> kernel-2.6.16-1.2111_FC5smp
> mythtv-0.19-128.rhfc5.at
> Other sound applications work fine, and recordings made through the
> PVR-500 before the upgrade play back with sound. But recordings made now
> have no audio. 

In another thread, Carl Fongheiser wrote:

> What do you get from running "ivtvctl -Y"? 

Thank you for pointing me to that. When I do this, I get:

# ivtvctl -Y
Brightness = 127
Contrast = 63
Saturation = 63
Hue = 0
Volume = 58880
Balance = 32768
Bass = 32768
Treble = 32768
Mute = 1

Mute=1, very interesting. So I try turning it off:

# ivtvctl --set-ctrl=mute=0
ioctl VIDIOC_S_CTRL ok

But it doesn't do anything. If I run with -Y again, I still see Mute=1
and there is still no sound.

Does this provide anyone more knowledgeable than I about ivtv a clue
about what might be wrong and why I get no sound from either tuner on my

I'm thinking I may just need to abandon the AT rpms version of the ivtv
kernel modules and try compiling a different version of the driver from


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