lk/sound/sound_basics.md

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---
title: "basics"
tags: [ "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%