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2. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones often combine sound isolation with ANC to maximize the sound reduction across the frequency spectrum. Noise cancellation can also be used without sound isolation to make wanted sounds (such as voices) easier to hear. Noise cancellation to eliminate ambient noise is never passive because of the circuitry required, so ...

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

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

   If you’re trying to find some peace and quiet when working from home, at the office, at school or during your morning commute, then a great pair of wireless noise-cancelling headphones can work ...

4. How noise cancelling headphones work - AOL

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

   Shut out the world with the best noise cancelling headphones out there from Apple, Sony and Bose.

5. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...

6. Health effects from noise - Wikipedia

   en.wikipedia.org/wiki/Health_effects_from_noise

   Noise health effects are the physical and psychological health consequences of regular exposure to consistent elevated sound levels. Noise from traffic, in particular, is considered by the World Health Organization to be one of the worst environmental stressors for humans, second only to air pollution. [2] Elevated workplace or environmental noise can cause hearing impairment, tinnitus ...

7. Your brain is noise-cancelling - AOL

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

   <p>When you're shopping for a new pair of headphones one of the best features to have is noise-cancelling technology. Drowning out the random noises around you lets you really sink into the music ...