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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. 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.

4. The best noise-canceling headphones for 2024 - Engadget

   www.engadget.com/best-noise-canceling-headphones...

   Apple’s AirPods Max are premium, well-designed headphones that incorporate all of the best features you find on standard AirPods: solid noise cancelation, spatial audio and easy Siri access ...

5. Apple AirPods 4 hands-on: Seriously impressive ANC performance

   www.engadget.com/audio/headphones/apple-airpods...

   Two models of AirPods were largely expected at today's iPhone 16 event, one of which would add active noise cancellation (ANC) to the "regular" AirPods for the first time.There are other upgrades ...

6. Sony WF-1000XM4 review: Excellent earbuds, awkward fit - Engadget

   www.engadget.com/sony-wf-1000xm4-review...

   Software. Billy Steele/Engadget ... Active noise cancellation. ... Combined with two noise sensor microphones on each earbud specifically designed to pick up more ambient sound and 6mm drivers ...

7. The best noise-canceling earbuds for 2024 - Engadget

   www.engadget.com/best-noise-canceling-earbuds...

   A hybrid ANC setup uses microphones on the inside and the outside of the device to detect ambient noise. By analyzing input from both mics, a hybrid system can combat more sounds than “regular ...

8. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Simplified graphical depiction of active noise reduction. To cancel the lower-frequency portions of the noise, noise-cancelling headphones use active noise control or ANC.A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds.

9. Nuraphones get active noise cancelling via software update

   techcrunch.com/2018/07/16/nuraphones-get-active...

   Apple’s redesigned AirPods 4 feature $179 active noise canceling option, ship September 20. The AirPods 4 are available for preorder starting Monday. The base model runs $129, with the active ...