.\"- .\" Copyright (c) 2021 Hans Petter Selasky .\" .\" Redistribution and use in source and binary forms, with or without .\" modification, are permitted provided that the following conditions .\" are met: .\" 1. Redistributions of source code must retain the above copyright .\" notice, this list of conditions and the following disclaimer. .\" 2. Redistributions in binary form must reproduce the above copyright .\" notice, this list of conditions and the following disclaimer in the .\" documentation and/or other materials provided with the distribution. .\" .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. .\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, .\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT .\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, .\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY .\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" .Dd November 4, 2021 .Dt beep 1 .Os .Sh NAME .Nm beep .Nd play a beep sound .Sh SYNOPSIS .Nm .Op Fl F Ar frequency .Op Fl D Ar duration_ms .Op Fl r Ar sample_rate_hz .Op Fl d Ar oss_device .Op Fl g Ar gain .Op Fl B .Op Fl h .Sh DESCRIPTION The .Nm utility is used to playback a beep on the soundcard. .Pp The options are as follows: .Bl -tag -width "-f device" .It Fl F Sets the center frequency of the beep in Hz. The default is 440 Hz . .It Fl D Sets the duration of the beep in milliseconds. The default is 150 ms . .It Fl d Sets the soundcard to use. The default is /dev/dsp . .It Fl r Sets the soundcard samplerate in Hz. The default is 48000 Hz. .It Fl g Sets the waveform gain, between 0 and 100 inclusively. The default is 75. .It Fl B Runs the .Nm utility in the background. .It Fl h Display summary of options. .El .Sh EXAMPLES .Pp Playback default beep sound using /dev/dsp . .Bl -tag -width Ds -offset indent .It $ beep .El .Sh SEE ALSO .Xr mixer 3 , .Xr sound 4 .Sh HISTORY The .Nm utility first appeared in FreeBSD 14.0. .Sh AUTHORS .An Hans Petter Selasky Aq Mt hselasky@FreeBSD.org