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2. 8 white noise machines for better sleep - AOL

   www.aol.com/news/8-white-noise-machines-better...

   Sleep experts say using a white noise machine can improve sleep. Here, editor-tested picks from Hatch, HoMedics, YogaSleep and more. ... This white noise machine has a 4.7-star average rating from ...

3. White, brown and pink noise machines are going viral for ...

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   In a 2021 review of 38 studies on the relationship between white noise and sleep, researchers concluded that the quality of the evidence to support white noise as a sleep aid was poor and more ...

4. iPhones Have A Built-In White Noise Feature That No One ... - AOL

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   CORRECTION: Apple previously stated that the white noise feature is available only on iPhone X or later; it is available on iPhone 6S or later. This article has been updated to reflect the correct ...

5. White noise machine - Wikipedia

   en.wikipedia.org/wiki/White_noise_machine

   White noise devices are available from numerous manufacturers in many forms, for a variety of different uses, including audio testing, sound masking, sleep-aid, and power-napping. Sleep-aid and nap machine products may also produce other soothing sounds, such as music, rain, wind, highway traffic and ocean waves mixed with—or modulated by ...

6. Sound masking - Wikipedia

   en.wikipedia.org/wiki/Sound_masking

   Sound masking is the inclusion of generated sound (commonly, though inaccurately, referred to as "white noise" or "pink noise") into an environment to mask unwanted sound. It relies on auditory masking. Sound masking is not a form of active noise control (noise cancellation technique); however, it can reduce or eliminate the perception of sound ...

7. Long-range acoustic device - Wikipedia

   en.wikipedia.org/wiki/Long-range_acoustic_device

   A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating at a distance. It has been used as a method of crowd control , which has caused permanent hearing damage , having an extremely high decibel capacity (up to 160 dB measured at one ...

8. News, Politics, Sports, Mail & Latest Headlines - AOL.com

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   Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.

9. AOL Mail for Verizon Customers - AOL Help

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   AOL Mail welcomes Verizon customers to our safe and delightful email experience!