xref: /freebsd/usr.bin/beep/beep.1 (revision bdcbfde31e8e9b343f113a1956384bdf30d1ed62)
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2.\" Copyright (c) 2021 Hans Petter Selasky <hselasky@FreeBSD.org>
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24.Dd November 4, 2021
25.Dt beep 1
26.Os
27.Sh NAME
28.Nm beep
29.Nd play a beep sound
30.Sh SYNOPSIS
31.Nm
32.Op Fl F Ar frequency
33.Op Fl D Ar duration_ms
34.Op Fl r Ar sample_rate_hz
35.Op Fl d Ar oss_device
36.Op Fl g Ar gain
37.Op Fl B
38.Op Fl h
39.Sh DESCRIPTION
40The
41.Nm
42utility is used to playback a beep on the soundcard.
43.Pp
44The options are as follows:
45.Bl -tag -width "-f device"
46.It Fl F
47Sets the center frequency of the beep in Hz.
48The default is 440 Hz .
49.It Fl D
50Sets the duration of the beep in milliseconds.
51The default is 150 ms .
52.It Fl d
53Sets the soundcard to use.
54The default is /dev/dsp .
55.It Fl r
56Sets the soundcard samplerate in Hz.
57The default is 48000 Hz.
58.It Fl g
59Sets the waveform gain, between 0 and 100 inclusively.
60The default is 75.
61.It Fl B
62Runs the
63.Nm
64utility in the background.
65.It Fl h
66Display summary of options.
67.El
68.Sh EXAMPLES
69.Pp
70Playback default beep sound using /dev/dsp .
71.Bl -tag -width Ds -offset indent
72.It $ beep
73.El
74.Sh SEE ALSO
75.Xr mixer 3 ,
76.Xr sound 4 ,
77.Sh HISTORY
78The
79.Nm
80utility first appeared in FreeBSD 14.0.
81.Sh AUTHORS
82.An Hans Petter Selasky Aq Mt hselasky@FreeBSD.org
83