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2. 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

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. Right Now (Van Halen song) - Wikipedia

   en.wikipedia.org/wiki/Right_Now_(Van_Halen_song)

   The song has been used numerous times by U.S. political candidates. On August 29, 2008 during a campaign rally in Ohio, after Senator John McCain 's announcement of Alaska Governor Sarah Palin as his running mate and her remarks, this song was played over the sound system. [20] Band members reportedly disagreed about its use at the McCain rally ...

5. Amazon’s Noise-Cancelling Echo Buds Are More Than ... - AOL

   www.aol.com/amazon-noise-cancelling-echo-buds...

   If you purchase an independently reviewed product or service through a link on our website, Variety may receive an affiliate commission. When Amazon released their second-generation earbuds last ...

6. 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 ...

7. Echo suppression and cancellation - Wikipedia

   en.wikipedia.org/wiki/Echo_suppression_and...

   In some of these cases, sound from the loudspeaker enters the microphone almost unaltered. The difficulties in canceling echo stem from the alteration of the original sound by the ambient space. These changes can include certain frequencies being absorbed by soft furnishings and reflection of different frequencies at varying strength.

8. Beats Noise-Cancelling Headphones Are $150 Off Right Now - AOL

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

   The Beats Studio 3 Wireless has endured as the Apple brand’s flagship over-ear headphones since they first released in 2017 — and if you’ve been waiting to pull the trigger on a pair, now ...

9. Noise reduction - Wikipedia

   en.wikipedia.org/wiki/Noise_reduction

   Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio .