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 <hselasky@FreeBSD.org>

FreeBSD 13.1-RELEASE-p6        November 4, 2021        FreeBSD 13.1-RELEASE-p6