[alsa-devel] SigmaTel STAC9221 - Mux Amp-Out > 0x02 == microphone not working

Ivan N. Zlatev contact at i-nz.net
Tue May 29 17:20:33 CEST 2007

On 5/29/07, Takashi Iwai <tiwai at suse.de> wrote:
> And, does this volume have any influence on the quality of recorded
> sound at all?  If not, we should remove this control rather than
> keeping a dangerous thing...

Yes. This controls the microphone boost level (without boost the sound
recorded has *very* low volume). Also Windows shows  up a +20db
microphone boost slider on this machine.

Ivan N. Zlatev

Web: http://www.i-nZ.net
"It's all some kind of whacked out conspiracy."

More information about the Alsa-devel mailing list