alsamixer (repost)

NoOp glgxg at sbcglobal.net
Thu Oct 8 03:31:13 UTC 2009


On 10/07/2009 05:11 PM, Robert Holtzman wrote:
> Posted this before but got no response. Did no one have any insight? 
> let's  try again.
> 
> Had to reload Hardy and now the headphones can barely be heard. Speakers 
> plugged into the same socket have normal sound.
> Alsamixer shows full volume for master but 0 for headphones. Furthermore 
> the headphone box is collapsed with no room to
> increase volume. Selecting headphones and using the up arrow does 
> nothing, naturally. "Dpkg -l alsa*" shows:
> 
> un  alsa                      <none>                    (no description 
> available)
> ii  alsa-base                 1.0.16-0ubuntu4           ALSA driver 
> configuration files
> un  alsa-oss                  <none>                    (no description 
> available)
> ii  alsa-utils                1.0.15-3ubuntu2           ALSA utilities
> 
> Am I missing some packages and why do the speakers have normal volume 
> when plugged into *the same socket*? This worked
> well prior to the reload.
> 
> Any additional info required?
> 
> Any pointers or ideas?
> 

Troubleshooting sound issues are always difficult (IMO) on someone's
system as there are too many variables. Have you tried:
https://help.ubuntu.com/community/SoundTroubleshooting

Your 'dpkg -l alsa*' probably doesn't mean much. But here is mine on
this jaunty 9.04 system:

$ dpkg -l alsa*
Desired=Unknown/Install/Remove/Purge/Hold
|
Status=Not/Inst/Cfg-files/Unpacked/Failed-cfg/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Hold/Reinst-required/X=both-problems (Status,Err:
uppercase=bad)
||/ Name           Version        Description
+++-==============-==============-============================================
un  alsa           <none>         (no description available)
ii  alsa-base      1.0.18.dfsg-1u ALSA driver configuration files
un  alsa-firmware  <none>         (no description available)
un  alsa-firmware- <none>         (no description available)
un  alsa-headers   <none>         (no description available)
ii  alsa-oss       1.0.17-1       ALSA wrapper for OSS applications
un  alsa-source    <none>         (no description available)
un  alsa-tools     <none>         (no description available)
un  alsa-tools-gui <none>         (no description available)
ii  alsa-utils     1.0.18-1ubuntu ALSA utilities
un  alsamixergui   <none>         (no description available)
un  alsaplayer     <none>         (no description available)
pn  alsaplayer-als <none>         (no description available)
pn  alsaplayer-com <none>         (no description available)
pn  alsaplayer-dae <none>         (no description available)
pn  alsaplayer-esd <none>         (no description available)
pn  alsaplayer-gtk <none>         (no description available)
un  alsaplayer-int <none>         (no description available)
pn  alsaplayer-jac <none>         (no description available)
un  alsaplayer-nas <none>         (no description available)
pn  alsaplayer-oss <none>         (no description available)
un  alsaplayer-out <none>         (no description available)
un  alsaplayer-tex <none>         (no description available)
un  alsaplayer-xos <none>         (no description available)

When I run alsamixer, I see:
Master = 10
Master Mono = 97
Master Surround = 97
Headphone Jack Sense = off
PCM = 97
Surrround = 97
Surround Jack Mode = 90
Center = 94
LFE = 81
Line = 77
Line Jack Sense = Off
CD = 97
Mic = 26
IEC958 Playback AC97-SPSA 100








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