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  2. Sound annoyance - Wikipedia

    en.wikipedia.org/wiki/Sound_annoyance

    Sound annoyance is a subjective matter and cannot be covered by law. In the Netherlands the government set up laws to protect households and other noise-sensitive buildings like hospitals and schools from noise pollution. There are different laws for different sound sources; airplanes, traffic, industry and neighbours. [13]

  3. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    Scraping a chalkboard (also known as a blackboard) with one's fingernails produces a sound and feeling which most people find extremely irritating. The basis of the innate reaction to the sound has been studied in the field of psychoacoustics (the branch of psychology concerned with the perception of sound and its physiological effects).

  4. I’m a notoriously bad sleeper, but these $50 earplugs ... - AOL

    www.aol.com/finance/m-notoriously-bad-sleeper-50...

    “At 27 decibels (dB), Loop Dream blocks out the annoying noises you don’t want to hear like a noisy neighbor or a snoring partner, but allows you to hear those essential sounds,” says Horgan.

  5. Parasitic oscillation - Wikipedia

    en.wikipedia.org/wiki/Parasitic_oscillation

    In audio systems, parasitic oscillations can sometimes be heard as annoying sounds in the speakers or earphones. The oscillations waste power and may cause undesirable heating. For example, an audio power amplifier that goes into parasitic oscillation may generate enough power to damage connected speakers. A circuit that is oscillating will not ...

  6. Health effects from noise - Wikipedia

    en.wikipedia.org/wiki/Health_effects_from_noise

    Environmental noise regulations usually specify a maximum outdoor noise level of 60 to 65 dB(A), while occupational safety organizations recommend that the maximum exposure to noise is 40 hours per week at 85 to 90 dB(A). For every additional 3 dB(A), the maximum exposure time is reduced by a factor 2, e.g. 20 hours per week at 88 dB(A).

  7. The Hum - Wikipedia

    en.wikipedia.org/wiki/The_Hum

    In 2009, the head of audiology at Addenbrooke's Hospital in Cambridge, David Baguley, said he believed people's problems with the hum were based on the physical world about one-third of the time, and stemmed from people focusing too keenly on innocuous background sounds the other two-thirds of the time. [1] Baguley said for example the noise ...

  8. Is Tom Sandoval the most hated traitor ever? Here’s what his ...

    www.aol.com/news/tom-sandoval-most-hated-traitor...

    The sound of his voice was annoying,” she said during the podcast episode, which dropped five months after #Scandoval. “He talked a lot about himself, his business ventures… himself.

  9. Hyperacusis - Wikipedia

    en.wikipedia.org/wiki/Hyperacusis

    By listening to broadband noise at soft levels for a disciplined period of time each day, some patients can rebuild (i.e., re-establish) their tolerances to sound. [ 2 ] [ 47 ] [ 48 ] [ 49 ] More research is needed on the efficacy of sound therapy techniques when hyperacusis is the primary complaint, rather than a secondary symptom, indicating ...