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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. Noise-canceling microphone - Wikipedia

   en.wikipedia.org/wiki/Noise-canceling_microphone

   In a noisy environment, both microphones receive noise at a similar level, but the primary mic receives the desired sounds more strongly. Thus if one signal is subtracted from the other (in the simplest sense, by connecting the microphones out of phase) much of the noise is canceled while the desired sound is retained.

5. What's Cool on College Campuses Right Now?

   www.aol.com/whats-cool-college-campuses-now...

   Ahead, the favorite decor, clothing brands, tech devices, and more that freshmen, sophomores, juniors, and seniors are buying right now. ... Another fave: Sony's noise-canceling headphones.

6. Don’t put your bare feet on another passenger’s armrest - AOL

   www.aol.com/news/don-t-put-bare-feet-060003035.html

   Earbuds and noise-canceling headphones are a double-edged sword: great for blocking out the world when it’s intrusive, but not so great for paying attention when it matters.

7. 6 BJ’s Wholesale Club Items To Buy for Your Carry-On Luggage

   www.aol.com/finance/6-bj-wholesale-club-items...

   The charger is capable of ultra-fast charging for multiple devices simultaneously, and works with both Android and Apple devices. ... JBL Tune 230NC True Wireless Noise Cancelling In-Ear Earbuds.