NAME
beep – play a beep sound
SYNOPSIS
beep [-Bh] [-D duration_ms] [-F frequency_hz] [-d oss_device] [-g gain] [-r sample_rate_hz]
DESCRIPTION
The beep utility is used to play a beep on the sound card.
The options are as follows:
- -B
-
Runs the beep utility in the background.
- -D duration_ms
-
Sets the duration of the beep in milliseconds, between 50 ms and 2000 ms inclusively. The default is 150 ms.
- -F frequency_hz
-
Sets the center frequency of the beep in Hz. The default is 440 Hz.
- -d oss_device
-
Sets the OSS device to use. The default is /dev/dsp.
- -g gain
-
Sets the waveform gain, between 0 and 100 inclusively. The default is 75.
- -h
-
Display summary of options.
- -r sample_rate_hz
-
Sets the sound card sample rate in Hz, between 8000 Hz and 48000 Hz inclusively. The default is 48000 Hz.
EXAMPLES
Play default beep sound on /dev/dsp:
- $ beep
SEE ALSO
HISTORY
The beep utility first appeared in FreeBSD 14.0.
AUTHORS
Hans Petter Selasky ⟨[email protected]⟩