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How to use amixer to change the volume in pulseaudio ...
https://askubuntu.com/questions/173943/how-to-use-amixer-to-change-the-volume-in-pulseaudio
amixer -q -D pulse set Master toggle. Raise volume: amixer -q -D pulse set Master 5%+ unmute. Lower volume: amixer -q -D pulse set Master 5%- unmute. -D pulse: to make sure we are using pulseaudio (optional) unmute: so we do not accidentally raise the volume in muted state and be surprised when unmuting. Share.
audio - Set volume with php and amixer/pulseaudio - …
https://stackoverflow.com/questions/53692361/set-volume-with-php-and-amixer-pulseaudio
Set volume with php and amixer/pulseaudio. Ask Question Asked 3 years, 1 month ago. Active 3 years, 1 month ago. Viewed 524 times 0 My problem is, that the following script executes in the terminal fine but on my Apache2-Webserver it doesn't do anything. <?php exec("/usr/bin/pactl set-sink-volume 0 60%"); ?> ...
amixer, multiple sound cards, PulseAudio | HiFiBerry
https://www.hifiberry.com/docs/software/amixer-multiple-sound-cards-pulseaudio/
amixer, multiple sound cards, PulseAudio. To change the volume controls or other settings of most HiFiBerry sound cards, you can use the tool “alsamixer”. However, if you want to debug the settings, the command line tool “amixer” is often the better choice. If everything is just working fine, you can simply run the command “amixer” and it will show you the settings of the …
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