freebsd-dev/usr.bin/beep/beep.1
Hans Petter Selasky 8abfbe5a79 beep(1): Initial version of utility to create terminal beep via soundcard.
Reviewed by:	imp@, emaste@ and pstef@
Differential Revision:	https://reviews.freebsd.org/D32672
MFC after:	1 week
Sponsored by:	NVIDIA Networking
2021-11-04 09:00:46 +01:00

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2.4 KiB
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.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