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  2. How to use iPhone's mic mode for crystal-clear, noise-free calls

    www.aol.com/news/iphones-mic-mode-crystal-clear...

    Here’s a question from Debbie in Half Moon Bay that sums up the experience of many users: "Since I updated Apple software to iOS 18.0.1, I can no longer remove background noise while on the ...

  3. Impulse noise (acoustics) - Wikipedia

    en.wikipedia.org/wiki/Impulse_noise_(acoustics)

    An impulse noise filter can enhance the quality of noisy signals to achieve robustness in pattern recognition and adaptive control systems. A classic filter used to remove impulse noise is the median filter, at the expense of signal degradation. Thus it's quite common to get better performing impulse noise filters with model-based systems ...

  4. The Hum - Wikipedia

    en.wikipedia.org/wiki/The_Hum

    The Hum is a name often given to widespread reports of a persistent and invasive low-frequency humming, rumbling, or droning noise audible to many but not all people. Hums have been reported all over the world, including the United States, the United Kingdom, Australia and Canada.

  5. List of unexplained sounds - Wikipedia

    en.wikipedia.org/wiki/List_of_unexplained_sounds

    Slow Down is a sound recorded on May 19, 1997, in the Equatorial Pacific Ocean by the U.S. National Oceanic and Atmospheric Administration. The source of the sound was most likely a large iceberg as it became grounded.

  6. Restrictions on cell phone use while driving in the United ...

    en.wikipedia.org/wiki/Restrictions_on_cell_phone...

    The laws regulating driving (or "distracted driving") may be subject to primary enforcement or secondary enforcement by state, county or local authorities. [1]All state-level cell phone use laws in the United States are of the "primary enforcement" type — meaning an officer may cite a driver for using a hand-held cell phone without any other traffic offense having taken place — except in ...

  7. Man abandons haircut to help officer under attack - AOL

    www.aol.com/man-abandons-haircut-help-officer...

    A man having his hair cut leapt out of the barber's chair and ran to help a police officer who was being wrestled to the ground in a headlock.

  8. Girl, 7, heard begging her father not to kill her before cops ...

    www.aol.com/girl-7-heard-begging-her-140850655.html

    911 audio revealed the horrifying moment Oaklynn Alexander, 7, begged her father not to shoot her during a standoff with cops. Instagram / Ashley Matthews

  9. Rumble strip - Wikipedia

    en.wikipedia.org/wiki/Rumble_strip

    The noise levels at the sidewalk ranged from 60 to 77 decibels, higher than the 60 decibel noise level limit in the Town's Noise Ordinance during nighttime hours. [53] In 2005, the London borough of Bromley removed transverse rumble strips after residents complained of the excessive "machine gun fire" noise. [ 54 ]