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  2. Sound level meter - Wikipedia

    en.wikipedia.org/wiki/Sound_level_meter

    A sound level meter (also called sound pressure level meter (SPL)) is used for acoustic measurements. It is commonly a hand-held instrument with a microphone. The best type of microphone for sound level meters is the condenser microphone, which combines precision with stability and reliability. [1]

  3. Safe listening - Wikipedia

    en.wikipedia.org/wiki/Safe_listening

    National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, NIOSH Sound Level Meter app. Safe-in-Sound Excellence in Hearing Loss Prevention Award winners. World Health Organization- Short videos on World Hearing Day materials, available in six languages.

  4. Noise measurement - Wikipedia

    en.wikipedia.org/wiki/Noise_measurement

    Noise may be measured using a sound level meter at the source of the noise. [23] [24] [25] Alternatively, an organization or company may measure a person's exposure to environmental noise in a workplace via a noise dosimeter. [26] The measurements taken using either of these methods will be evaluated according to the standards below.

  5. Acoustical measurements and instrumentation - Wikipedia

    en.wikipedia.org/wiki/Acoustical_measurements...

    Analysis of sound and acoustics plays a role in such engineering tasks as product design, production test, machine performance, and process control. For instance, product design can require modification of sound level or noise for compliance with standards from ANSI, IEC, and ISO. The work might also involve design fine-tuning to meet market ...

  6. Ambient noise level - Wikipedia

    en.wikipedia.org/wiki/Ambient_noise_level

    Ambient noise level is measured with a sound level meter. [4] It is usually measured in dB relative to a reference pressure of 0.00002 Pa, i.e., 20 μPa (micropascals) in SI units. [5] This is because 20 μPa is the faintest sound the human ear can detect. [5] A pascal is a newton per square meter. The centimeter-gram-second system of units ...

  7. MyWhoosh Is a FREE Training App for Indoor Rides—Here ... - AOL

    www.aol.com/mywhoosh-free-training-app-indoor...

    There is a downside, right off the bat: To get the app installed, it requires six gigabytes of space on your phone or iPad, Windows desktop, Mac computer, or even Apple TV.

  8. Noise dosimeter - Wikipedia

    en.wikipedia.org/wiki/Noise_dosimeter

    Noise dosimeters are worn by workers in order to track their sound exposure over a period of time. With the accuracy of a type 2 sound level meter, a majority of noise dosimeters measure within ±2 dB A. One must make sure to the noise dosimeter is properly calibrated and kept out of extreme temperature and humidity.

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

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