You’ve heard of white noise. It’s the basic color sounds with every level of frequency. That’s why it’s easy to zone out to ...

White noise The term ‘white noise’ comes from ... creating a sound similar to a strong waterfall or heavy rain, and is often ...

so many people find it easier on the ear than white noise. Examples of brown noise include rushing waterfalls or rivers, heavy rainfall, and rumbling thunder. This sound frequency may help mask ...