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#1 2011-09-25 18:26:37

JamieKitson
Member
From: UK
Registered: 2010-10-18
Posts: 161
Website

Can't Mute Mic

Hi,

when I run alsamixer there is only one device on the capture screen, "Capture", there is no "Mic". I want to record sound from the computer, but when I record I get sound from the Mic too. Is there some hardware restriction that means I can't mute just the mic, or is this software or am I doing something stupid?

Thanks, Jamie

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#2 2011-09-25 18:35:09

karol
Archivist
Registered: 2009-05-06
Posts: 25,440

Re: Can't Mute Mic

I too have only one volume slider labeled 'Capture', but I can select 'Mic' from the list (with 'space' on the keyboard)

     Line       CD    <   Mic   >  Video     Phone   S/PDIF Pl    Aux     Capture     Mix    Mix Mono ...

Not sure if this is what you're looking for.

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#3 2011-09-25 18:47:41

JamieKitson
Member
From: UK
Registered: 2010-10-18
Posts: 161
Website

Re: Can't Mute Mic

That's the problem, I don't have "Mic" in the list, just Mic Boost, Capture, Digital and Internal Mic Boost. The only one I can select/deselect is Capture.

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#4 2011-09-25 19:03:46

karol
Archivist
Registered: 2009-05-06
Posts: 25,440

Re: Can't Mute Mic

Just a random thought: https://wiki.archlinux.org/index.php/Fu … 1520#SOUND

Luckily internal microphone (above LCD) works good, though you can't change its' volume or disable it in alsamixer.

'amixer' may help here. What's the output of

amixer | grep -i mic

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#5 2011-09-26 21:47:30

JamieKitson
Member
From: UK
Registered: 2010-10-18
Posts: 161
Website

Re: Can't Mute Mic

I think I might have it the wrong way around, the "Capture" device is the mic, but I don't have a Stereo Mix device. I think I can use ALSA Loopback.

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#6 2011-09-26 21:52:37

brebs
Member
Registered: 2007-04-03
Posts: 3,742

Re: Can't Mute Mic

ALSA often doesn't configure itself automagically. Do the usual thing - google for your soundcard model with the keyword "linux", to see how others have fared.

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