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  2. Best noise-canceling headphones, according to Consumer Reports

    www.aol.com/news/best-noise-canceling-headphones...

    Sony WF-1000XM4 $278.00 at Walmart. Sony WF-1000XM4 $279.99 at Best Buy. Sony WF-1000XM4 $278.00 at Abt. Over-Ear, Bluetooth, and Budget-Friendly Anker SoundCore Life Q20

  3. Hydraulic tappet - Wikipedia

    en.wikipedia.org/wiki/Hydraulic_tappet

    A hydraulic tappet, also known as a hydraulic valve lifter or hydraulic lash adjuster, is a device for maintaining zero valve clearance in an internal combustion engine. Conventional solid valve lifters require regular adjusting to maintain a small clearance between the valve and its rocker or cam follower .

  4. Nakamichi - Wikipedia

    en.wikipedia.org/wiki/Nakamichi

    The Nakamichi 1000 and 700, made in the mid-1970s, had three heads, a dual capstan drive that reduced wow and flutter, and Dolby-B noise reduction to improve the signal-to-noise ratio. The dual capstan drive ensured superior head-to-tape contact, essentially eliminating reliance on the problematic spring pressure pads built into cassette housings.

  5. 15 of the Best Booty-Lifting Shapewear Picks - AOL

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    Qaciviq Butt Lifter Shorts Amazon Pros: Curved bands lift the booty Also has double-layered criss ... Shop more of our favorite products below: 18 Cutest Purses and Handbags from $50 to $400. Our ...

  6. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    A Handset lifter is a device that automatically lifts or replaces a handset off/on a telephone. It is usually connected to a wireless headset and allows cordless headset use on technically primitive desk phones. Some phones only have a mechanical means of switchhook operation. The lifter allows cordless headsets to be used remotely with such ...

  7. Acoustical engineering - Wikipedia

    en.wikipedia.org/wiki/Acoustical_engineering

    Other techniques to reduce product noise include vibration isolation, application of acoustic absorbent and acoustic enclosures. Acoustical engineering can go beyond noise control to look at what is the best sound for a product, [21] for instance, manipulating the sound of door closures on automobiles.

  8. How to Find Your Right Noise for the Best Sleep Ever - AOL

    www.aol.com/noise-best-sleep-ever-130000266.html

    Colors of sounds can each affect your brain differently. Find out which noise is best for sleep: white vs. brown vs. pink.

  9. Acoustic quieting - Wikipedia

    en.wikipedia.org/wiki/Acoustic_quieting

    See noise-canceling headphone. Workers in noisy environments may favor this method over ear plugs. Noise reduction: In sound and video equipment, noise reduction is the process of removing noise from a signal. This is strictly for electronic noise or noise which has been detected and put into electronic form.