Photo: #The electronic beep has been compared to the little boy who cried wolf. It's so prevalent in society that most people simply ignore it.
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The electronic beep has been compared to the little boy who cried wolf. It's so prevalent in society that most people simply ignore it. (Copyright Audio-Mastering.org)

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What the beep?

by Nikki Tundel, Minnesota Public Radio
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St. Paul, Minn. — Americans are bombarded by electronic beeps. Microwaves emit them. So do ATMs and elevators, grocery store scanners and waffle makers.

Are all these high-pitched tones really necessary?

Reporter Nikki Tundel tries to makes sense of the electronic beep.

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