How do you mute from the command line?

Question

How do you mute the sound system from the command line?

Eric Carvalho · Accepted Answer · 2013-01-02 23:10:05Z

81

Assuming you're using ALSA driver, run:

amixer set Master mute   
amixer set Master unmute

Or, you can just use:

amixer set Master toggle

to toggle mute on and off.

edited Jan 2 '13 at 23:10

Eric Carvalho

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answered Feb 13 '11 at 3:25

goric

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8

for me / my system (precise), this only goes one way: off / mute. Neither toggle nor unmute bring the music back on. Any ideas as to why?? – nutty about natty May 8 '12 at 13:12
2

see askubuntu.com/questions/77522/… – nutty about natty May 8 '12 at 13:17
3

This solution is for pure Alsa. For Alsa with pulseaudio, use the command from Tim's answer. Or don't touch the command and instead configure Alsa as in this answer. Else, @nutty about natty's problem of not being able to unmute results. – tanius Feb 17 '16 at 1:32
on Ubuntu Server 14.04 "Master" was not available as a simple control. I used "Speaker" in its place. I found the substitution by running sudo amixer and finding the line in the output that matched Simple mixer control 'Speaker',0 – brycemcd Oct 2 '16 at 20:11

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Pablo Bianchi · Accepted Answer · 2021-06-24 16:03:27Z

59

This worked for me when others didn't:

amixer -q -D pulse sset Master toggle

This is from the link in nutty about natty's comment to the first answer:

edited Jun 24 at 16:03

Pablo Bianchi

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answered Apr 6 '14 at 19:40

Tim

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1

I also just checked, it works on 14.04 too. – Tim May 30 '14 at 8:59
1

did it :) - kubuntu here (Ubuntu 14.04.2 LTS). thx. – hakre Jul 2 '15 at 18:28
2

This -D pulse option is needed when Alsa is used with pulseaudio (and since the question is tagged pulseaudio, this should be the accepted answer). For more details about this solution, see here and here on askubuntu. – tanius Feb 17 '16 at 1:23
Note: The accepted answer by @goric doesn't work when headphones or earphones are plugged in, use this. – user423626 May 27 '16 at 12:34
Or, less ambiguously than "toggle", you can use amixer -q -D pulse sset Master mute and amixer -q -D pulse sset Master unmute. Works great on Ubuntu 16.04 – CPBL Jun 30 '16 at 13:00

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Pablo Bianchi · Accepted Answer · 2021-06-24 16:16:20Z

31

I'm using pactl in my scripts. From man page:

set-sink-mute SINK 1|0|toggle: Set the mute status of the specified sink (identified by its symbolic name or numerical index)

To mute:

pactl set-sink-mute @DEFAULT_SINK@ true

To unmute:

pactl set-sink-mute @DEFAULT_SINK@ false

To toggle:

pactl set-sink-mute @DEFAULT_SINK@ toggle

Use 0 instead of @DEFAULT_SINK@ to set the sink with numerical index 0. true=="1", false=="0".

Tested on Ubuntu 12.10.
In my setup sometimes amixer unmute fails for some reason.

edited Jun 24 at 16:16

Pablo Bianchi

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answered Jan 12 '14 at 8:35

Niko Riitala

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1

Still works in Ubuntu 15.10. – tanius Feb 17 '16 at 0:38
LIkely, this is the proper way to perform the operation on modern Ubuntu versions. Works on 16.04 (amixer doesn't). – Marcus Feb 25 '17 at 19:42
2

You can also toggle from mute to unmute and back: pactl set-sink-mute 0 toggle – Matthias Braun Nov 25 '19 at 11:12
1

Sink 0 might not be the relevant one. For me, 0 was the monitor's output and 1 the laptop speakers, so I needed to do pactl set-sink-mute 1 0 to unmute them. – nnnmmm Sep 28 '20 at 8:26

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Pablo Bianchi · Accepted Answer · 2021-01-18 22:56:28Z

17

On the terminal type this to mute

amixer set Master mute

type

amixer set Master unmute

Tested on my Ubuntu 10.10.

edited Jan 18 at 22:56

Pablo Bianchi

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answered Feb 13 '11 at 3:26

theTuxRacer

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Kulfy · Accepted Answer · 2019-08-04 20:42:46Z

If you are using alsa follow goric answer.

PulseAudio is better, but not so simple: pactl set-sink-mute 0 1 Do the work for the first device, but not if you are using headphones of another sink output.

The better way is to check with pactl info and get the Default Sink to use.

DEFAULT_SINK=$(pactl info | grep "Default Sink" | cut -d " " -f3)

Then to mute:

pactl set-sink-mute "$DEFAULT_SINK" "1"

Or unmute:

pactl set-sink-mute "$DEFAULT_SINK" "0"

I wrote a script to manage pulseaudio in my note. If you want to use, save it as volume, provide execute permissions chmod +x volume and add it to your path ln -sv $PWD/volume /usr/local/bin/. Here my script:

#!/bin/bash
# script name: volume
# Author: glaudistong at gmail.com
# depends on: yad, coreutils, pulseaudio

ps -ef | grep "yad" | grep -E "Volume [^+\-]" | tr -s " " | cut -d " " -f2 | xargs -i kill "{}" 2>/dev/null
DEFAULT_SINK=$(pactl info | grep "Default Sink" | cut -d " " -f3)
DEFAULT_SOURCE=$(pactl info | grep "Default Source" | cut -d " " -f3)
case "$1" in 
    init)
    {
        ps -fe | grep yad | grep -q volume ||
        {
         yad --notification --command "volume up" --text "+ Volume +" --image ~/Pictures/volume-up-dark.png &
         yad --notification --command "volume down" --text "- Volume -" --image ~/Pictures/volume-down-dark.png &
        }
    };;
    up)
    {
        pactl set-sink-volume "$DEFAULT_SINK" +5%
        P=$(pactl list | grep -E "Name: $DEFAULT_SINK$|Volume" | grep "Name:" -A1 | tail -1 | cut -d% -f1 | cut -d/ -f2 | tr -d " ")
        iconl="$(echo -ne "\U1F50A")"
        iconr="$(echo -ne "\U1F56A")"
        timeout .6 yad --progress --percentage "$P" --timeout 1 --no-buttons --undecorated --text="$iconl Volume $P% $iconr" --no-focus --center --skip-taskbar --on-top &
    };;
    down)
    {
        pactl set-sink-volume "$DEFAULT_SINK" -5%
        P=$(pactl list | grep -E "Name: $DEFAULT_SINK$|Volume" | grep "Name:" -A1 | tail -1 | cut -d% -f1 | cut -d/ -f2 | tr -d " ")
        iconl="$(echo -ne "\U1F509")"
        iconr="$(echo -ne "\U1F569")"
        timeout .6 yad --progress --percentage "$P" --timeout 1 --no-buttons --undecorated --text="$iconl Volume $P% $iconr" --no-focus --center --skip-taskbar --on-top &
    };;
    mute)
    {
        ismute=$(pactl list | grep -E "Name: $DEFAULT_SINK$|Mute" | grep "Name:" -A1 | tail -1 |cut -d: -f2| tr -d " ")
        if [ "$ismute" == no ]; then
            s=1
            P=0
            icon="$(echo -ne "\U1F507")"
        else
            P=$(pactl list | grep -E "Name: $DEFAULT_SINK$|Volume" | grep "Name:" -A1 | tail -1 | cut -d% -f1 | cut -d/ -f2 | tr -d " ")
            icon="🔊"
            s=0
        fi
        pactl set-sink-mute "$DEFAULT_SINK" "$s"
        echo $s > /sys/devices/platform/thinkpad_acpi/leds/platform::mute/brightness
        timeout .6 yad --progress --percentage "$P" --timeout 1 --no-buttons --undecorated --text="$icon Volume $P%" --no-focus --center --skip-taskbar --on-top &
    };;
    mic-up)
    {
        pactl set-source-volume "$DEFAULT_SOURCE" +5%
        P=$(pactl list | grep -E "Name: $DEFAULT_SOURCE$|Volume" | grep "Name:" -A1 | tail -1 | cut -d% -f1 | cut -d/ -f2 | tr -d " ")
        icon="$(echo -en "\U1F3A4")"
        timeout .6 yad --progress --percentage "$P" --timeout 1 --no-buttons --undecorated --text="$icon Volume Mic $P%" --no-focus --center --skip-taskbar --on-top &
    };;
    mic-down)
    {
        pactl set-source-volume "$DEFAULT_SOURCE" -5%
        icon="$(echo -en "\U1F3A4")"
        P=$(pactl list | grep -E "Name: $DEFAULT_SOURCE$|Volume" | grep "Name:" -A1 | tail -1 | cut -d% -f1 | cut -d/ -f2 | tr -d " ")
        timeout .6 yad --progress --percentage "$P" --timeout 1 --no-buttons --undecorated --text="$icon Volume Mic $P%" --no-focus --center --skip-taskbar --on-top &
    };;
    mic-mute)
    {
        ismute=$(pactl list | grep -E "Name: $DEFAULT_SOURCE$|Mute" | grep "Name:" -A1 | tail -1 |cut -d: -f2| tr -d " ")
        if [ "$ismute" == no ]; then
            s=1
            P=0
            icon="$(echo -en "\U1F507\U1F3A4")"
        else
            P=$(pactl list | grep -E "Name: $DEFAULT_SOURCE$|Volume" | grep "Name:" -A1 | tail -1 | cut -d% -f1 | cut -d/ -f2 | tr -d " ")
            s=0
            icon="$(echo -en "\U1F3A4")"
        fi
        pactl set-source-mute "$DEFAULT_SOURCE" "$s"
        echo $s > /sys/devices/platform/thinkpad_acpi/leds/platform::micmute/brightness
        timeout .6 yad --progress --percentage "$P" --timeout 1 --no-buttons --undecorated --text="$icon Volume Mic $P%" --no-focus --center --skip-taskbar --on-top &
    };;
    *)
        echo invalid option;;
esac;

Pablo Bianchi · Accepted Answer · 2021-06-24 16:07:25Z

1

if your are using pulseaudio as the sound server then do this

pactl -- set-sink-mute @DEFAULT_SINK@ toggle # Also true/false to mute/unmute

to mute and unmute

if using alsa then use this

amixer sset 'Master' toggle

to mute and unmute

edited Jun 24 at 16:07

Pablo Bianchi

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answered May 29 at 9:33

bhanu pratap

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