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  2. Room temperature - Wikipedia

    en.wikipedia.org/wiki/Room_temperature

    A digital thermometer reading an ambient temperature of 36.4°C (97°F) in an unventilated room during a heat wave; a high indoor temperature can cause heat exhaustion or heat stroke in a person. The World Health Organization in 1987 found that comfortable indoor temperatures of 18–24 °C (64–75 °F) were not associated with health risks ...

  3. Soundproofing Against Outdoor Noise - AOL

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

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  4. 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.

  5. Thermal comfort - Wikipedia

    en.wikipedia.org/wiki/Thermal_comfort

    Satisfaction with the thermal environment is important because thermal conditions are potentially life-threatening for humans if the core body temperature reaches conditions of hyperthermia, above 37.5–38.3 °C (99.5–100.9 °F), [11] [12] or hypothermia, below 35.0 °C (95.0 °F). [13]

  6. What Is Room Temperature? - AOL

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

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  7. Noise temperature - Wikipedia

    en.wikipedia.org/wiki/Noise_temperature

    For instance, assume an amplifier has a noise temperature 870 K and thus a noise figure of 6 dB. If that amplifier is used to amplify a source having a noise temperature of about room temperature (290 K), as many sources do, then the insertion of that amplifier would reduce the SNR of a signal by 6 dB.

  8. Environmental noise - Wikipedia

    en.wikipedia.org/wiki/Environmental_noise

    Example of transportation noise and how it affects the community. Environmental noise is an accumulation of noise pollution that occurs outside. This noise can be caused by transport, industrial, and recreational activities. [1] Noise is frequently described as 'unwanted sound'. Within this context, environmental noise is generally present in ...

  9. Health effects from noise - Wikipedia

    en.wikipedia.org/wiki/Health_effects_from_noise

    A hearing protection device (HPD) is an ear protection device worn in or over the ears while exposed to hazardous noise to help prevent noise-induced hearing loss. HPDs reduce (not eliminate) the level of the noise entering the ear. HPDs can also protect against other effects of noise exposure such as tinnitus and hyperacusis.

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