[alsa-devel] Decibel Levels for Storm Medusa 5.1 USB Headset

[Raymond Yau]

> >
> > I hope this Information helps. I have the Storm Medusa 5.1 USB Headset
> > which reports wrong decibel levels to pulseaudio. My Alsa-Info are
> > located at
> >
> >
http://www.alsa-project.org/db/?f=a882f3db6769c5dfce83c266946eff52d1d55349
> >
> > The Headset is card2 in the above dump.
> >
> > My decibel levels-fix
> >
> > [DecibelFix Speaker]
> > db-values = 1:-30 37:3
>
> How did you define these values?

http://mailman.alsa-project.org/pipermail/alsa-devel/2007-November/003867.html

If your headset have windows driver, need to find out which USB chip and
look at the datasheet of the chip

e.g. cm106l ’s datasheet contain a table of  dac volume cortol