beep(1) FreeBSD General Commands Manual beep(1)
NAME
beep - play a beep sound
SYNOPSIS
beep [-F frequency] [-D duration_ms] [-r sample_rate_hz] [-d oss_device]
[-g gain] [-B] [-h]
DESCRIPTION
The beep utility is used to playback a beep on the soundcard.
The options are as follows:
-F Sets the center frequency of the beep in Hz. The default is
440 Hz .
-D Sets the duration of the beep in milliseconds. The default is
150 ms .
-d Sets the soundcard to use. The default is /dev/dsp .
-r Sets the soundcard samplerate in Hz. The default is 48000 Hz.
-g Sets the waveform gain, between 0 and 100 inclusively. The
default is 75.
-B Runs the beep utility in the background.
-h Display summary of options.
EXAMPLES
Playback default beep sound using /dev/dsp .
$ beep
SEE ALSO
mixer(3), sound(4)
HISTORY
The beep utility first appeared in FreeBSD 14.0.
AUTHORS
Hans Petter Selasky <
[email protected]>
FreeBSD 14.1-RELEASE-p8 November 4, 2021 FreeBSD 14.1-RELEASE-p8