ALSACTL(1) General Commands Manual ALSACTL(1)
NAME
alsactl - advanced controls for ALSA soundcard driver
SYNOPSIS
alsactl [options] [store|restore|init] <card # or id or device>
alsactl monitor <card # or id>
DESCRIPTION
alsactl is used to control advanced settings for the ALSA soundcard drivers. It
supports multiple soundcards. If your card has features that you can't seem to
control from a mixer application, you have come to the right place.
COMMANDS
store saves the current driver state for the selected soundcard to the configu‐
ration file.
restore loads driver state for the selected soundcard from the configuration
file. If restoring fails (eventually partly), the init action is called.
nrestore is like restore, but it notifies also the daemon to do new rescan for
available soundcards.
init tries to initialize all devices to a default state. If device is not known,
error code 99 is returned.
daemon manages to save periodically the sound state.
rdaemon like daemon but restore the sound state at first.
kill notifies the daemon to do the specified operation (quit, rescan,
save_and_quit).
monitor is for monitoring the events received from the given control device.
If no soundcards are specified, setup for all cards will be saved, loaded or
monitored.
##################
# audio settings #
##################
# Use pulse, then alsa, then SDL video with the aalib subdriver by default.
ao=alsa,pulse,sdl:aalib
af=volume=10:1
# Use SDL audio driver with the esd subdriver by default.
#ao = sdl:esd
# Specify the mixer device.
#mixer = /dev/mixer
# Resample the sound to 44100Hz with the lavcresample audio filter.
#af=lavcresample=44100