OpenBSD manual page server

NAME

audioctl — control audio device

SYNOPSIS

DESCRIPTION

The audioctl command displays or sets various audio system driver variables. If a list of variables is present on the command line, audioctl prints the current value of those variables for the specified device. By default, audioctl operates on the /dev/audioctl device.

The options are as follows:

-a

Print all device variables and their current values. This is the default, if no parameters are given to audioctl.

-f file

Specify an alternative audio control device.

-n

Suppress printing of the variable name.

name=value

Attempt to set the specified variable name to value.

ENVIRONMENT

AUDIOCTLDEVICE

Audio control device to use.

FILES

/dev/audioctl

default audio control device

EXAMPLES

To set the playing sampling rate to 11025 you can enter:

Note that many of the variables that can be inspected and changed are reset when the /dev/audio device is opened. This can be circumvented like so:

$ (audioctl -f /dev/audioctl play.block_size=1024; cat file.au) \
	> /dev/audio

SEE ALSO

aucat(1), cdio(1), mixerctl(1), audio(4), sysctl(8)

HISTORY

The audioctl command first appeared in NetBSD 1.3.