I used to be able to hear 3kHz easily but as my hair cells fade into the sunset that frequency now seems to be down 3 or 6 dB. As a consequence the high pitched "beep beep" sound on my portable alarm ...

It may seem as if the sound of an alarm clock “beep, beep, beeping” you awake could lead to more alertness, but a study found that music may be the way to go. Researchers at Melbourne, Australia’s ...

Each home security system has its own set of cues and meanings, and you'll need to consult with your manual to work them out. There are, however, a few universal warning sounds used for most household ...