Is there a way to change individual application volumes from the terminal? I found a way to change the master volume which is amixer -D pulse sset Master 50% but I would like to be able to change volumes for individual applications like is possible in pavucontrol. My usage would be for scripting.

  • Depends on the application. Look into man <application> Feb 23 '15 at 7:03
  • I don't want to change the in application volume, I want to change the pulseaudio volume level for any application. For example, skype, which has no runtime parameters.
    – AkBKukU
    Feb 23 '15 at 15:08

I found the solution hidden in a comment on unix.stackexchange. Use pactl list sink-inputs to find your application's sink input number. Then use pactl set-sink-input-volume [sink number] [volume percent] to set the volume of your application.

  • This one is great. I can now fade out spotify with for ((i=50;i<100;i+=1)); do; pactl set-sink-input-volume 28 $i%; sleep 0.05; done Just need to know how to get spotify sink in a more assuring way. Jan 23 '16 at 1:23
  • I had used this command to make a script to use the pedals from an old driving wheel to control music playback volume. I put the script up here. Check out the function getSink to see a way to do it in a script. Not that the second line in it uses the variable $SINKAPP. you can substitute your process name here.
    – AkBKukU
    Feb 9 '16 at 18:21

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