lk/sound/sound_basics.md

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title tags
basics
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%