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2. 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 ...

3. Soundproofing - Wikipedia

   en.wikipedia.org/wiki/Soundproofing

   Soundproofing is any means of impeding sound propagation.There are several basic ways to reduce sound: increasing the distance between source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles for absorption, or using active antinoise sound generators.

4. Adaptive noise cancelling - Wikipedia

   en.wikipedia.org/wiki/Adaptive_noise_cancelling

   Adaptive noise cancelling is an unorthodox signal processing technique that is highly effective in suppressing additive interference or noise corrupting a received target signal at the main or primary sensor in certain common situations where the interference is known and is accessible but unavoidable and where the target signal and the ...

5. These best-selling noise canceling headphones have ... - AOL

   www.aol.com/article/lifestyle/2019/08/12/these...

   With the back-to-school season right around the corner, these affordable headphones make for a very practical buy.

6. Noise-canceling microphone - Wikipedia

   en.wikipedia.org/wiki/Noise-canceling_microphone

   The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio. Applications. Call center headsets

7. How Active Noise Canceling (ANC) Headphones Work - AOL

   www.aol.com/active-noise-canceling-anc...

   Battle of Soundwaves. When -1+1 = 0. A good pair of ANC headphones generates an opposite "anti" soundwave to cancel out background noise. The scientific term for this effect is phase cancellation ...

8. Your brain is noise-cancelling - AOL

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

   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, or ...

9. List of Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_headphones

   QuietComfort 20. The "QuietComfort 20" (QC20) and QC20i in-ear headphones were released in 2015 and are the company's first in-ear noise cancelling headphones. [19] It received a 2014 Red Dot Design Award. [20] Also, it received a CNET 's Editors' Choice Award of 4.5/5 points for its active noise-cancelling.