AUDIOTEST(1) User Commands AUDIOTEST(1)

NAME

audiotest - test audio device

SYNOPSIS

audiotest [-2457] [-l] [-r rate] [dev] ...

DESCRIPTION

The audiotest utility runs a test for the named audio device (or all
audio devices found on the system if none is given). The test
includes playing an audio sample over each channel and measuring the
rate of playback for clock drift.

OPTIONS

The following options are supported:

-l
Loop mode. The test is run in an infinite loop.


-r rate
Sample rate. By default 48000Hz is used.


-2
Stereo (2-channel) mode. This is the default mode. Playback
assumes 2 channels are present.


-4
Quadraphonic mode (4-channel surround). The test assumes that
four surround channels are present.


-5
Surround sound mode (5.1). The test checks the left, right,
surround left, surround right, and center channels. The low
frequency effects channel is not tested.


-7
Surround sound mode (7.1). The test checks the left, right,
surround left, surround right, back surround left, back
surround right, and center channels. The low frequency effects
channel is not tested.


If multiple modes are specified, the last one specified is used.

OPERANDS

dev
The path to the device to test, for example, /dev/dsp0.

SEE ALSO

audioconvert(1), audiorecord(1), audio(4I)

BUGS

audiotest has no way to detect the number of actual audio channels
supported by the physical device.


audiotest does not test the low-frequency effects (LFE) channel.


There is no test for audio capture, volume controls, or other
advanced device features.

February 8, 2020 AUDIOTEST(1)