On Friday 16 January 2009 22:04, Robert Canner wrote:
> I've unmuted the Synth control in alsamixer, but I still can't hear any
> sound :-(
>
> Alsamixer now shows:
> Master = 100,100 (but no mute/unmute box is shown)
> 3D Control = unmuted
> PCM, Synth, Line, CD, Aux = 100,100, unmuted
> Line-In = Rear Output
> Mic = 0, muted
> Mic Boost = muted
> Phone, PC Speaker = 100, unmuted
> IEC958 {5V, Copyright, In Monitor,
> In Phase Inverse, In Select, In Valid, Loop,
> Mix Analog, Output} = unmuted
> Exchange DAC, Four Channel Mode = unmuted
>
> By the way, alsamixer is not displaying any mute/unmute box for the
> Master control. Should I worry about this?
No. My alsamixer on lenny shows no mute/unmute box, but it's a different
soundcard (Audigy2 soundblaster), and my alsamixer version shows as 1.0.16.
My alsa-utils package is 1.0.16-2, and that provides alsamixer, and other
stuff.
>
> (By comparison, the Wikipedia screenshot
> http://en.wikipedia.org/wiki/File:Alsamixer.png shows a mute/unmute box
> for the Master control. My Lenny box is using alsamixer v1.0.13.)
That .png for alsamixer on the wiki is for a different soundcard than yours,
and all alsamixer controls are different, depending on your soundcard, so I'd
ignore that.
It doesn't help that I'm unfamiliar with your C media soundcard, so I'm a bit
in the dark. Are there any switches showing on your alsamixer? For example on
mine for the audigy2 soundblaster card there is a switch to change from
analogue to digital output. If this is set to digital, I get no sound, but
toggling it to analog brings the sounds up.
Perhaps you could post the output from running amixer on the CLI, just to see
what controls you have available.
Someone else who is also using a C media card on Lenny, may also have some
suggestions, that may resolve your problem.
Alternatively, there is the alsa-user mailing list, and someone there may have
specific knowledge of known problems, and fixes for your card.
All the best.
Nigel.
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