Setting up a microphone

[Arthur Pemberton]

Angus Leeming wrote:

>Angus Leeming wrote:
>
>  
>
>>Can anyone offer any advice on how to get my microphone working on a
>>Fedoda Core 3 machine with a SiS SI7012 sound card? Sound output is fine,
>>but I have no input at all.
>>
>>The microphone is a cheapo telephony headset plugged into the single
>>(pink if that matters!) mic port. Everything works well if I reboot the
>>machine under Windows.
>>
>>I'm using the KDE frontend to FC3 rather than the Gnome equivalent.
>>krec records as expected from the out_soundcard.
>>
>>I've fired up kmix and "unmuted" it. Volume level is "high".
>>aRts is in full-duplex mode.
>>
>>However, when I attempt to record to krec, the VU-meter remains
>>obstinately unresponsive.
>>    
>>
>
>It turns out that the thing is connected up, but is incredibly muted. I've
>really cranked up igain:
>
>$ aumix -q
>vol 100, 100, P
>pcm 71, 71
>speaker 0, 0
>line 0, 0, P
>mic 90, 90, R
>cd 0, 0, P
>igain 80, 80
>line1 0, 0, P
>dig1 100, 100
>phin 0, 0, P
>phout 0, 0, P
>video 0, 0, P
>
>and even so if I literally scream into it then the signal is *just*
>registered by krec.
>
>Has anyone got any insights to share?
>
>Angus
>
>
>  
>
I have no exertise on this, but the fact that you are hearing  a tiny 
amount of sound doesn't not ncessarily mean that it is working, coould 
be just some sound feeding through the cicuittry. I would suggest a 
graphical mixer  (Kmix) and playing in the levels/switches there.