From LQWiki
Johnathan's beep beeps with the added ability to control pitch, duration and number of tones, allowing complete flexibility in generating audible feedback from the PC speaker.
Contents |
How to install
It is best to install beep by means of your distribution. For help see installing Software.
- For Ubuntu
sudo apt-get install beep
If that is not possible, you may download the source code from the author's site
How to use
- Read the man page:
man beep
Options: (not a complete list)
- -f N (frequency - beep at N Hz)
- -l N (duration - beep for N milliseconds)
- -r N (repetitions - beep N times)
- -d N (delay - delay by N milliseconds)
- -n (new - specifies multiple beeps in a string)
Some examples:
- Beep default
$ beep
- Three short beeps at 400 Hz with a short delay of 25 and tone length of 100
$ beep -f 400 -r 3 -d 25 -l 100
- Audible log monitoring (-s use input mode, plays 4 short beeps)
$ tail -f /var/log/messages | grep something | beep -f 2000 -r 4 -l 25 -s
- Play 2 long beeps and several shorter beeps
$ beep -f 1500 -r 2 -n -r 5 -l 12 -n
- Use a random frequency between 400 and 1000 Hz:
$ beep -f $(shuf -i 400-1000 -n 1)
The frequencies are not limited to whole numbers, making it possible to generate accurate musical notes.
Note - Frequency C - 261.6 C# - 277.2 D - 293.7 D# - 311.1 E - 329.6 F - 349.2 F# - 370.0 G - 392.0 G# - 415.3 A - 440.0 A# - 466.2 B - 493.9 C - 523.2
This page is available under a