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2. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise -cancelling headphones alongside a carry case. 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 . Noise cancellation makes it possible to listen to audio ...

3. 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. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...

4. How noise cancelling headphones work - AOL

   www.aol.com/news/noise-cancelling-headphones...

   Bose Noise Cancelling Wireless Bluetooth Headphones 700, with Alexa Voice Control is on of the best active noise cancelling headphones in 2021. (Amazon / Amazon) Bose Noise Cancelling Wireless ...

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

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

   Apple AirPods Max Wireless Over-Ear Headphones, Active Noise Cancelling, Transparency Mode, Personalized Spatial Audio, Dolby Atmos, Bluetooth Headphones for iPhone – Silver Price: $549 $479.99 ...

6. Best noise-canceling headphones, according to Consumer ... - AOL

   www.aol.com/news/best-noise-canceling-headphones...

   The Sennheiser PXC 550-II is one of the highest-scoring headphones in our ratings, with superb sound quality and noise canceling. The PXC 550-II is as much as $300 cheaper than many competitors.

7. Headphones - Wikipedia

   en.wikipedia.org/wiki/Headphones

   Such headphones claim to reduce ambient noise by around 25 dB. Active noise-cancelling headphones use a microphone, amplifier, and speaker to pick up, amplify, and play ambient noise in phase-reversed form; this to some extent cancels out unwanted noise from the environment without affecting the desired sound source, which is not picked up and ...