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Amixer set volume

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# audio control via amixer XF86Audio{Raise,Lower}Volume amixer set Master 10%{+,-} XF86AudioMute amixer set Master toggle Note that this syntax is exclusive to sxhkd and won't anywhere else. So, the TLDR is: it depends on how your DM/WM handles keystrokes and via which interface it allows you to configure it. [quote="WayneWWW"]Please select sound setting -> output source to HDMI[/quote] This is clear! But I need to adjust the volume through amixer. And I did not find the control by which this can be done. In alsamixer, I see some controls, but none set the volume level. It is very strange. .

The volume control and mute operate on the currently selected device. Command line. The following command, entered in the command line, will switch the audio output to HDMI: amixer cset numid=3 2. Here the output is being set to 2, which is HDMI. Setting the output to 1 switches to analogue (headphone jack). Perhaps amixer isn't addressing the correct DBUS when run from apache. Try setting the DBUS_ADDRESS environment variable by invoking amixer from a shell script that sets the variable before running amixer.

amixer commands to set audio volume: amixer is a command-line mixer for ALSA soundcard driver. Shows a complete list of simple mixer controls amixer scontrols The volume control and mute operate on the currently selected device. Command line. The following command, entered in the command line, will switch the audio output to HDMI: amixer cset numid=3 2. Here the output is being set to 2, which is HDMI. Setting the output to 1 switches to analogue (headphone jack). My ALSA sound volume gets mysteriously reset every time I do a reboot. I set the default ALSA volume to 100% with amixer cset numid=3 100%. Then I do a reboot and check my amixer volume again and suddenly it's at 91%, or 87%, etc. I tried to store the current setting with sudo alsactl store, but that didn't help either.

Set volume from terminal. Ask Question ... # Gets a list of simple mixer controls $ amixer scontrols Then set it to the desired volume, as an example Raspberry Pi Volume Control. Adjust the Alsa soundcard volume of your Raspberry Pi computer from the command line. Normally this can be done by amixer cset numid=1 -- number where number is a whole number (integer) between something like -10200 and +400 in centi-dB units (mB, I guess).

I've been looking for a simple C code example to set the master volume of the ALSA mixer but could not find anything simple for this supposedly common operation. I'm totally unfamiliar with ALSA, so making my own minimal example will take time. I would be happy if anyone could provide one.

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  • Jul 10, 2019 · $ amixer -c 1 set Speaker 2db+ 5. Use the following commands to mute and unmute a property. $ amixer -c 0 set Mic mute. Or, $ amixer -c 0 set Mic unmute. This was all about installing and using the ALSA utilities so that you can control sound properties and volume right from your Ubuntu Terminal.
  • Sep 24, 2008 · You might use this if you had a monitoring script running and wanted to raise the volume when you signal an alarm and then lower it again to the previous volume. The get function uses amixer to output the information for the simple mixer control "Master" and then uses grep and cut to get the correct value from the output.
  • Jan 21, 2016 · (C) bump volume knob to 5 (D) amixer output should show 5% (E) Start iTunes playback leaving the volume sliders at midpoint (F) amixer. At this point I see the output from amixer still showing 5% volume level and not ~68% which corresponds to the iTunes midpoint slider pos. This is the "failure" outcome.
  • Here's shell command to change sound volume. # increase sound level amixer set Master 8%+ # decrease sound level amixer set Master 8%-# set to specific sound level amixer set Master 50%. you can setup a key such as 【Super+↑】 and 【Super+↓】 to adjust sound level. See Linux: Keyboard Software Guide. mute and unmute
  • Here's shell command to change sound volume. # increase sound level amixer set Master 8%+ # decrease sound level amixer set Master 8%-# set to specific sound level amixer set Master 50%. you can setup a key such as 【Super+↑】 and 【Super+↓】 to adjust sound level. See Linux: Keyboard Software Guide. mute and unmute

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