Re: Mic does not work with Zoom on Chromium 92.0.4515.159.

On Thu, 07 Oct 2021 10:51:59 +0900,
KIRIYAMA Kazuhiko wrote:
> 
> On Wed, 06 Oct 2021 07:34:49 +0900,
> Tomasz CEDRO wrote:
> > 
> > On Wed, Oct 6, 2021 at 12:29 AM KIRIYAMA Kazuhiko wrote:
> > > I don't know how to open /dev/dsp4.0.
> > 
> > This is just /dev/dsp4, you can try try produce some noise on the
> > speaker with the same result:
> > 
> > cat /dev/random > /dev/dsp4
> > 
> > cat /dev/random > /dev/dsp4.0
> > 
> > See my previous detailed message on sndio configuration :-)
> > 
> > export AUDIODEVICE="rsnd/4"
> > 
> > Above should do the job.
> > 
> > Remember you need to export it in local terminal that you run chromium
> > after export, or if you put it in ~/.profile then you need to logout
> > and login again or start new terminal.
> > 
> > You can verify if the env is set with:
> > 
> > echo $AUDIODEVICE
> > 
> > That should return delected device: rsnd/4
> 
> I've set bellow :
> 
> export AUDIOPLAYDEVICE="rsnd/5"
> export AUDIORECDEVICE="rsnd/4"
> 
> and start zoom on chromium, then /dev/dsp4.0
> grew. And tested mic by :
> 
> % aucat -o tmp/test.wav
> % aucat -i tmp/test.wav
> 
> My voice sound from my speaker (/dev/dsp5.0) :-)
> Thanx Tomasz !!!
> 
> BTW mic volume is low and I set sndiod with :
> 
> # /usr/local/bin/sndiod -a on -m rec -f rsnd/4 -v 127
> 
> but volume not changed. Is there any way to control mic
> volume ?

Thats' mixer. I've set max input of mic as follows :

% mixer -f /dev/mixer4 
Mixer mic      is currently set to  25:25
Recording source: mic
% mixer -f /dev/mixer4 mic 100
Setting the mixer mic from 25:25 to 100:100.
% 

> ---
> Kazuhiko Kiriyama
>