[mythtv-users] No sound on second Hauppauge 150

Stephen Kitchener stephen at g6dzj.demon.co.uk
Wed Mar 8 18:33:27 UTC 2006


On Wednesday 08 Mar 2006 16:42, Brian Wood wrote:
> On Mar 8, 2006, at 8:54 AM, Stephen Kitchener wrote:
> > Hi,
> >
> > Well the repeatable part is that when I select the second tuner
> > with the Y
> > key, the sound on the additional tuner is muted, if I then change
> > channels on
> > that tuner, the sound is restored and stays restored on all
> > channels, I have
> > only channels 5 here, until I select the original tuner. The
> > original tuner
> > (the one that is in use at start-up)  has no problem with sound at
> > all, If I
> > then go away from the second tuner, again with the Y key and then
> > back again,
> > the sound on the second tuner is again muted, and changing channels
> > restores
> > the sound.
> >
> > With 0.4.0 this does not happen, at least it hasn't yet, it's been
> > only a day
> > since I have it working.
> >
> > I have to say that the cards are identical, same model etc.....
> >
> > When the card is muted and I do ivtvctl -Y -d /dev/video1, the data
> > returned
> > is
> >
> > ioctl: VIDIOC_QUERYCTRL
> > Brightness = 127
> > Contrast = 63
> > Saturation = 52
> > Hue = 0
> > Volume = 58880
> > Mute = 0
> >
> > So, I suspect that the muting is happening within mythtv only and
> > not the
> > driver.....Is that a fair assumption ??
> >
> > But it's not limited to the use of the Y key, because when I record
> > from the
> > second tuner, the sound is muted also... again the use of ivtvctl -Y
> > -d /dev/video1 shows the same details.
>
> I understand what was happening, just not why. I think if recent
> versions of IVTV did this in all cases this list would be full of
> screaming posts, a lot of people are using multiple 150s.
>
> My question is did your problem clear up because you installed 0.4.0,
> or because you installed *any* other version from what you were
> using. The installation may have fixed some configuration problem
> that you were not aware of.
>
> I suppose the logical step would be to re-install the newer version
> that was giving you trouble, and see if it now works.
>
> Of course we all hate to mess with a working installation, and I am
> not trying to create work for you, but this is what I meant by
> "repeatable", doing something must correct the problem, and un-doing
> it should re-create it.
>
> In any case I think you have shown that the problem is related to
> IVTV, and not MythTV, and you have given anyone having a similar
> problem a pointer to a solution, thus contributing to the group *and*
> getting your problem fixed. That's basically what the list is for.
>
>

Ok I understand - I will try tomorrow, assuming I am not diverted by something 
else :-) and report back, I will use the latest version 0.4.3

>
>
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