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2. Are Noise-Canceling Headphones Harmful to Your Ears? - AOL

   www.aol.com/noise-canceling-headphones-harmful...

   Nearly one billion Gen Z and Millennials are at risk of hearing loss due to excessive headphone use. Learn the pros and cons of noise-canceling earbuds (or headphones), and how to prevent...

3. Block Out the Babble with the Best Noise-Canceling Headphones ...

   www.aol.com/finance/block-babble-best-noise...

   Whether you prefer the "cone of silence" of over-ear cans or the comfort of earbuds, noise-canceling headphones will filter out the cacophony and let you focus.

4. Best Noise-Cancelling Headphones: Here’s Where To Get ... - AOL

   www.aol.com/lifestyle/best-noise-cancelling...

   For the best overall pair of headphones, the Sony WH-1000XM5 Wireless Headphones are made for anyone looking for a comfortable fit, premium audio and excellent noise-cancelling settings.

5. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing .

6. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first.

7. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Active noise cancelling headphones can attenuate ambient noise by 20 dB or more, but the active circuitry is mainly effective on constant sounds and at lower frequencies, rather than sharp sounds and voices.