Amixer

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What is amixer?

amixer is a command-line program for controlling the mixer in the ALSA soundcard driver. amixer supports multiple soundcards. See also the ALSAMixers page and the glossary entry "mixer" for a list of alternative mixer programs.

Usage

Usage: amixer <options> command

Available options:
  -h,--help       this help
  -c,--card N     select the card
  -D,--device N   select the device, default 'default'
  -d,--debug      debug mode
  -v,--version    print version of this program
  -q,--quiet      be quiet
  -i,--inactive   show also inactive controls

Available commands:
  scontrols       show all mixer simple controls
  scontents       show contents of all mixer simple controls (default command)
  sset sID P      set contents for one mixer simple control
  sget sID        get contents for one mixer simple control
  controls        show all controls for given card
  contents        show contents of all controls for given card
  cset cID P      set control contents for one control
  cget cID        get control contents for one control

Tip

Jaroslav Kysela let slip an important point about amixer settings regarding how to enable or disable capture (not playback) settings...

Use: amixer sset Capture cap
     amixer sset Capture nocap

mute/unmute keywords are parsed only for playback

Retrieved from "http://alsa.opensrc.org/Amixer"

Category: Alsa-utils

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