12
votes
5answers
898 views

Is it recommended to play a sound for warning and error messages?

When you quit an application and it shows you a dialog box asking if you want to save or when you open a file and an error is encountered, some applications play a sound. By sounds I mean short, but ...
9
votes
2answers
1k views

Is there a standard for the frequencies and or duration used for beeps?

Is there a standard for the frequencies and or duration used for error or alert beeps? When I hear a ding or bing sound, I sometimes find that the frequency of the tone is too high or low (in my ...