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  2. Audio feedback - Wikipedia

    en.wikipedia.org/wiki/Audio_feedback

    Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup ). In this example, a signal received by the microphone is amplified and passed out ...

  3. Hearing loss - Wikipedia

    en.wikipedia.org/wiki/Hearing_loss

    1.33 billion / 18.5% (2015) [ 4] Hearing loss is a partial or total inability to hear. [ 5] Hearing loss may be present at birth or acquired at any time afterwards. [ 6][ 7] Hearing loss may occur in one or both ears. [ 2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties ...

  4. 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 ...

  5. The Sun is really loud — but if we could hear it ... - AOL

    www.aol.com/news/2018-02-26-the-sun-is-really...

    The observed vibrations were then converted into sound and the frequency was sped up so the noise would be audible to human ears. Listen to the ear-shattering noise in the video above, and feel ...

  6. Colorado Resident Out on a Bike Ride Stumbles Across a Rodent ...

    www.aol.com/colorado-resident-bike-ride-stumbles...

    A Colorado resident out enjoying a bike ride stumbled across something he'd never seen before, and something most of us have never even heard of. Accuweather shared a video on Saturday, July 6th ...

  7. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    2. Check the physical connection - A loose cable or cord can often be the cause of a connection problem. Make sure everything is securely connected to the wall and device. 3. Reboot your modem/router - Sometimes the old "turn it off and on again" approach actually does work! Just wait about five minutes before turning it back on to make sure ...

  8. Auditory hallucination - Wikipedia

    en.wikipedia.org/wiki/Auditory_hallucination

    An auditory hallucination, or paracusia, [1] is a form of hallucination that involves perceiving sounds without auditory stimulus. While experiencing an auditory hallucination, the affected person hears a sound or sounds that did not come from the natural environment. A common form of auditory hallucination involves hearing one or more voices ...

  9. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    Reconfigure your account in the app. Remove and re-add your account to the third-party app. If you're prompted with manual configuration, be sure to . If you need specific instructions for your app, contact its manufacturer.