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2. 8 white noise machines for better sleep - AOL

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

   The LectroFan Evo won an NBC Select Wellness Award for best sound machine last year. It is a compact model with ten fan sounds, ten white, pink and brown noise variations and two ocean sounds ...

3. Drown Out the Noise and Sleep Soundly With These Sound Machines

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4. Hands Down, These Are Amazon’s Best Products Under $50 - AOL

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   We found the 40 best products on Amazon under $50, from top kitchen gadgets and electronics to beauty and skincare must-haves. Skip to main content. 24/7 Help. For premium support please call: ...

5. Quiet PC - Wikipedia

   en.wikipedia.org/wiki/Quiet_PC

   A fanless CPU cooler based on heat pipe technology. A quiet, silent or fanless PC is a personal computer that makes very little or no noise.Common uses for quiet PCs include video editing, sound mixing and home theater PCs, but noise reduction techniques can also be used to greatly reduce the noise from servers.

6. White noise machine - Wikipedia

   en.wikipedia.org/wiki/White_noise_machine

   A white noise machine is a device that produces a noise that calms the listener [citation needed], which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual white noise, which has a harsh sound, but pink noise, whose power rolls off at ...

7. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Modern mobile phones use a multi-microphone design to cancel out ambient noise from the speech signal. Sound is captured from the microphone(s) furthest from the mouth (the noise signal(s)) and from the one closest to the mouth (the desired signal). The signals are processed to cancel the noise from the desired signal, producing improved voice ...

8. Avoid Tepid Drinks This Summer With the Best Coolers, Reviewed

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9. Acoustic quieting - Wikipedia

   en.wikipedia.org/wiki/Acoustic_quieting

   Electronic noise control: Electronics, sensors, and computers are also employed to cancel noise by using phase cancellation which matches the sound amplitude with a wave of the opposite polarity. This method employs the use of an active sound generating device, such as a loudspeaker to counteract ambient noise in an area. See noise-canceling ...