My laptop Speakers Doesn't Mute then i connect the headphones on FC13

Jerry Feldman gaf at
Tue Jul 20 19:05:23 UTC 2010

On 07/20/2010 12:58 PM, JD wrote:
>   On 07/20/2010 08:29 AM, David A. Paredes Rios wrote:
>> With the command alsamixer -c 0  i get this options:
>> Master --- PCM --- Mic -- Mic Boos --- Beep --- Dock  --- Dock Mic 
>> ---- Dock mic boost --- Internal mic --- Internal mic boost
>> Nothing else with alsamixer -c0
> I hate to be an harbinger of bad news - but...
> muting the pc speakers when you plug in the headset
> is done by the headset jack or soundcard itself, and
> not by software. It is a mechanical event. Pusing in
> the headset causes a disconnect in the loop that feeds
> the speakers.
I happen to have USB headphones. While Fedora does not automatically
switch, I have to go to Preferences/Sound and select the output and
input devices.

Jerry Feldman <gaf at>
Boston Linux and Unix
PGP key id: 537C5846
PGP Key fingerprint: 3D1B 8377 A3C0 A5F2 ECBB  CA3B 4607 4319 537C 5846

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