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  2. Noise control - Wikipedia

    en.wikipedia.org/wiki/Noise_control

    Industrial noise control is a subset of interior architectural control of noise, with emphasis on specific methods of sound isolation from industrial machinery and for protection of workers at their task stations. Sound masking is the active addition of noise to reduce the annoyance of certain sounds, the opposite of soundproofing.

  3. Soundproofing Against Outdoor Noise - AOL

    www.aol.com/news/2010-08-02-how-to-beat-outdoor...

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  4. Soundproofing - Wikipedia

    en.wikipedia.org/wiki/Soundproofing

    A pair of headphones being tested inside an anechoic chamber for soundproofing. Soundproofing is any means of impeding sound propagation.There are several methods employed including increasing the distance between the source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles for absorption, or using ...

  5. File:20230609 Average noise levels outside US homes.svg

    en.wikipedia.org/wiki/File:20230609_Average...

    Suggested caption: More than a quarter of US residences have average outside noise levels exceeding the maximum nighttime outside noise level recommended by the World Health Organization. Technical note: most SVG code was automatically generated by the "Pie charts" spreadsheet linked at User:RCraig09/Excel to XML for SVG .

  6. Noise pollution - Wikipedia

    en.wikipedia.org/wiki/Noise_pollution

    The CityLink sound tube in Flemington, Melbourne, Australia, is designed to reduce roadway noise without detracting from the area's aesthetics. A man inserting an earplug in his ear to reduce the noise exposure. The Hierarchy of Controls concept is often used to reduce noise in the environment or the workplace. Engineering noise controls can be ...

  7. Sound transmission class - Wikipedia

    en.wikipedia.org/wiki/Sound_transmission_class

    Outside the US, the ISO Sound Reduction Index (SRI) is used. The STC rating very roughly reflects the decibel reduction of noise that a partition can provide. The STC is useful for evaluating annoyance due to speech sounds, but not music or machinery noise as these sources contain more low frequency energy than speech. [1]

  8. This Is the Best Room Temperature for Sleep for Older Adults ...

    www.aol.com/best-room-temperature-sleep-older...

    New research finds the optimal room temperature range for sleeping for older adults. Here, experts explain the best temperature for sleep.

  9. What Is Room Temperature? - AOL

    www.aol.com/room-temperature-010000959.html

    Eggs emulsify better at room temperature and have a different mouth feel versus when they are cold. If cream is left out at room temperature, it will not whip up properly. Milk and yogurt can ...

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