6

I want to set via my Media Keys, so I first have to find out the terminal-command.

Outputs are:

amixer set Master 10%- amixer: Unable to find simple control 'Master',0

amixer scontrols Simple mixer control 'IEC958',0

amixer set 'IEC958' 50%- amixer: Invalid command!

How can i fix that?

9
  • Has nobody an idea? Dec 19, 2012 at 14:15
  • You will find an answer to your problem in this Q&A
    – danjjl
    Dec 20, 2012 at 17:08
  • I read that, but do not really know what to do now. I mean the normal sound control is working. I have a icon in my panel with which I can control the sound. Also I'm asking myself how to configure the xfce4-volumed. It recognizes my mediakeys, but it changes the wrong soundcard, where the xfce4-mixer controls the right soundcard. Dec 20, 2012 at 17:14
  • 1
    I had the exact same problem and changing the active card in the settings editor for xfce4-mixer solved my problem.
    – danjjl
    Dec 20, 2012 at 17:34
  • Now the keys work, muting works, but unmuting not. How can I fix that? Dec 20, 2012 at 21:00

2 Answers 2

6

You might try the command

$ amixer -c 1 set Master 10%-

The parameter -c specifes another audio card.

0
5

If the packages xfce4-mixer and xfce4-volumed are installed you shouldn't have any problem:

xfce4-mixer:

This is the frontend for mixer settings delivered together with the Xfce4 desktop environment. It does the same jobs other mixer frontends do but is integrated into the Xfce4 desktop as a plugin for the Xfce4 main panel.

xfce4-volumed:

This is a volume keys control daemon for Xfce Desktop environment. It controls the volume using multimedia keys, for the card configured in xfce4-mixer. It also provides volume change notifications.

Edit: I was also searching for a definitive answer and ran across this http://forum.xfce.org/viewtopic.php?pid=26844 which also lead me to see this https://github.com/smatting/pulsemixer

Now, the problem "Volumed points to sound card, and when I mute with Fn+keyboard, it mutes pulseaudio but cannot unmute it"!

So this issue was Solved using this application PULSEMIXER

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  • 2
    Both are installed, but it doesnt work. I see in the popup-are the volumebar twice changing, but it doesn't affect my sound. Dec 18, 2012 at 14:23

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