now from http://alsa.opensrc.org/index.php/Record_from_mic I read the
following:
Comment from reader: *For me, the instructions above did not still cut it. I
had to turn a control "AC97" to 100% (in addition to Mic and Capture to
100%).
*I'm I supposed to see the AC97 control? where can I find it?*
*
On 17/02/2008, Daniel Sanabria <[EMAIL PROTECTED]> wrote:
>
> Yes this is a PC mic (plantronics) and you're right it doesn't have any
> source of power, it takes it from the PC. However setting V_REFOUT to 3,7 or
> 2.25 doesn't seem to make a difference.
>
> On 16/02/2008, James Shatto <[EMAIL PROTECTED]> wrote:
> >
> > > Simple mixer control 'V_REFOUT',0
> > > Capabilities: enum
> > > Items: 'High-Z' '3.7 V' '2.25 V' '0 V'
> > > Item0: '0 V'
> >
> > What type of mic are we talking? Electret type mics(the kind that most
> > PC style mics seem to be/use) need a voltage(called a bias voltage, or
> > plug-in power for voice recorders). Without the voltage you need a battery
> > box. Set it to 3.7V, if you can. 2.25 V should also work. 0V and
> > High-Z would be my last choices.
> >
> > HTH
> >
> >
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>
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