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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