lk/sound/basics.md

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title tags
Basic Sound
Documentation
Sound

Pulse

If you have pulse, use pulse. Check with which pulseaudio. No output means you need to use alsa (below).

Volume Control

pactl set sink @DEFAULT_SINK@ +5%

Find working outputs:

aplay -l

#Sound Settings

Surround.5 seems best.

Find what Sound settings exist

amixer scontrols

Change a Sound setting

amixer set Master 5%-

Restart everything

pulseaudio -k && sudo alsa force-reload

Alsa

Toggle, mute, increase or decrase audio:

amixer sset Master toggle

amixer sset Master mute

amixer sset Master 5%+

amixer sset Master 5%-

Finicky Sound Cards

Start with:

alsamixer

Then press F6 to see available Sound cards. If you find a Sound card called 'PinePhone', then you can select an audio source there, and adjust with:

amixer -c PinePhone set 'Headphone' 50%