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

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

   A look at the science and engineering involved in active noise cancelation (ANC) + an exploration of noise canceling headphone's impact on our health.

4. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

5. The New AirPods Can Cancel Noise Without Gumming Up ... - AOL

   www.aol.com/lifestyle/airpods-cancel-noise...

   The AirPods 4 with Active Noise Cancellation brings Apple's advanced hearing controls to the base line, including Transparency Mode, Adaptive Audio, and Conversation Awareness (which pauses or ...

6. Apple AirPods 4 review: Still the top choice for a reason

   www.aol.com/finance/apple-airpods-4-review-still...

   Apple’s AirPods 4 with ANC use internal and external microphones and speakers to drown out environmental noise. I wore the AirPods 4 with ANC on a cross-country flight from Apple’s Sept. 9 ...

7. Adaptive noise cancelling - Wikipedia

   en.wikipedia.org/wiki/Adaptive_noise_cancelling

   Adaptive noise cancelling. Adaptive noise cancelling is a 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 ...