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2. 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 ...

3. White noise machine - Wikipedia

   en.wikipedia.org/wiki/White_noise_machine

   Republican Glen Casada had a white noise machine installed in his office to prevent against eavesdropping. [5] Smart speaker blockers have been developed. For example, Bracelet of Silence is a bracelet that outputs white noise to protect privacy against digital recording from smart speakers. [6]

4. White noise - Wikipedia

   en.wikipedia.org/wiki/White_noise

   White noise is a common synthetic noise source used for sound masking by a tinnitus masker. [10] White noise machines and other white noise sources are sold as privacy enhancers and sleep aids (see music and sleep) and to mask tinnitus. [11]

5. 8 white noise machines for better sleep - AOL

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

   This simple white noise machine offers ten fan sounds and ten ambient noise variations (including white, pink and brown noise). It is powered by either AC or USB and you can adjust the volume with ...

6. Doctors Say This Type Of Noise Is Best For Deep Sleep - AOL

   www.aol.com/doctors-type-noise-best-deep...

   The big three in sleep sounds are white noise, brown noise, and pink noise, but there are many other noise types, including purple noise, gray noise, and even black noise (a.k.a. good ol ...

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

   www.aol.com/news/white-brown-pink-noise-machines...

   Brown noise, also called red noise, is more intense at lower frequencies, which produces a deep, rumbling sound, says Harris — think more bass and less static than white noise.