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  2. Unilateral hearing loss - Wikipedia

    en.wikipedia.org/wiki/Unilateral_hearing_loss

    Profound unilateral hearing loss is a specific type of hearing loss when one ear has no functional hearing ability (91 dB or greater hearing loss). People with profound unilateral hearing loss can only hear in monaural (mono). Profound unilateral hearing loss or single-sided deafness, SSD, makes hearing comprehension very difficult.

  3. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Noise control is an active or passive means of reducing sound emissions, often for personal comfort, environmental considerations, or legal compliance. Active noise control is sound reduction using a power source. Passive noise control is sound reduction by noise-isolating materials such as insulation, sound-absorbing tiles, or a muffler rather ...

  4. A Neurologist Explains Why You Can’t Get That Song Out of ...

    www.aol.com/neurologist-explains-why-t-song...

    An earworm happens when you have the “inability to dislodge a song and prevent it from repeating itself” in your head, explains Steven Gordon, M.D ., neurologist at UC Health and assistant ...

  5. Phone etiquette 101: When it’s rude to be on speaker - AOL

    www.aol.com/news/phone-etiquette-101-rude...

    Don’t use speakerphone. Do not use speakerphone for calls you make in public — use headphones. This is especially true for video calls or when watching to something on your device. This ...

  6. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...

  7. 6 Pairs of Headphones Tough Enough for Any Workout - AOL

    www.aol.com/6-pairs-headphones-tough-enough...

    Whether you're into wireless earbuds or over-ear headphones, these are the best workout audio options that are sweatproof from Jaybird, Beats by Dre, and more. 6 Pairs of Headphones Tough Enough ...

  8. Take 20% Off Raycon Earbuds, Headphones and Speakers Right ...

    www.aol.com/entertainment/20-off-raycon-earbuds...

    These Basic Earbuds. The Work Earbuds Classic. Raycon. For everyday wear that’s easy to take in and out, these buds are the perfect pick! See it! Get The Work Earbuds Classic (originally $120 ...

  9. Sonar - Wikipedia

    en.wikipedia.org/wiki/Sonar

    This can frustrate sonar, because a sound originating on one side of the thermocline tends to be bent, or refracted, through the thermocline. The thermocline may be present in shallower coastal waters. However, wave action will often mix the water column and eliminate the thermocline.