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From: Peter Humphrey <peter@prh.myzen.co.uk>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Re: Sound not sounding
Date: Fri, 25 Mar 2022 08:49:13 +0000
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On Friday, 25 March 2022 00:07:30 GMT Nikos Chantziaras wrote:
> On 23/03/2022 18:50, Peter Humphrey wrote:
> > The USB sound dongle on this workstation has stopped working, but only for
> > me. The system settings Audio setup window detects it but no sound is
> > heard
> Run "alsamixer" (it's a command-line tool) and in the text UI that
> appears, press F6, select your USB audio device, and then check if it's
> muted or the volume is 0.

No alsamixer here, so I installed alsa-utils and did as you suggest. All seems 
fine: volume at full, muting off.

> PulseAudio generally uses the ALSA sound mixer to change volumes, but
> not always. For some devices, it uses a software volume control that
> doesn't use the ALSA volume controls. So if those are set to 0, there
> will never be any sound.

There was sound just fine until one day last week. I'm not aware of any change 
by which I could have affected sound - just routine daily upgrades and ordinary 
use of the system.

-- 
Regards,
Peter.