A member asked:

How does a white noise app work?

A doctor has provided 1 answer

White noise: It produces white noise, which is noise just below the threshold of what we usually hear. It can be used to help muffle noise, so you can sleep. It also can help people who have ringing in their ears.

Answered 5/25/2012

5.8k views

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A member asked:

Does this app work?

3 doctors weighed in across 2 answers