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2. 8 of the Best Tech Deals at Target This November - AOL

   www.aol.com/finance/8-best-tech-deals-target...

   Beats Studio Pro Bluetooth Wireless Headphones. Regular price: $349.99. Sale price: $249.99. The Beats Studio Pro headphones feature active noise canceling and boast up to 40 hours of battery life ...

3. 5 Items from Target You Shouldn’t Wait To Buy on Black Friday

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   Bluetooth Earbuds Price: Originally $99.99, now $49.99 Enjoy listening to favorite tunes or making and receiving phone calls on the go without background noise.

4. These are the best Cyber Monday deals under $100: Walmart ...

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   These are the best Cyber Monday deals under $100: Walmart, Amazon, Target, Best Buy, and more. ... Baseus Active Noise Cancelling Wireless Earbuds for $20 ($20 off) Amazon Fire HD 10 tablet for ...

5. 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.

6. These 9 best-selling headphones are up to 57% off at Target ...

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   Black Friday is about a week away, but Target is rolling out the deals early. Save on headphones from Apple, Bose, Sony, JBL, Beats and more. These 9 best-selling headphones are up to 57% off at ...

7. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Active noise canceling is best suited for low frequencies. For higher frequencies, the spacing requirements for free space and zone of silence techniques become prohibitive. In acoustic cavity and duct-based systems, the number of nodes grows rapidly with increasing frequency, which quickly makes active noise control techniques unmanageable.