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Hearing protector fit-testing is a method that measures the degree of noise reduction obtained from an individual wearing a particular hearing protection device (HPD) - for example, a noise canceling earplug or earmuff. Fit testing is necessary due to the fact that noise attenuation varies across individuals.
Dual hearing protection refers to the use of earplugs under ear muffs. This type of hearing protection is particularly recommended for workers in the mining industry because they are exposed to extremely high noise levels, such as an 105 dBA TWA. [25] [26]} Fortunately, there is an option of adding electronic features to dual hearing protectors ...
Westone is an American manufacturer of custom earpieces for the hearing healthcare market, hearing protection products, custom communications earpieces, clinical and audiological supplies, musicians hearing protection and in-ear monitors for professional musicians and audiophiles.
Other monitors, like extremely low frequency monitors which measure exposure to radiation from electric power lines, also exist. The major difference between a "Monitor" and a "Dosimeter" is that a Dosimeter can measure the absorbed dose of ionizing radiation, which does not exist for RF Monitors. Monitors are also separated by "RF Monitors ...
OTC hearing aids like Zepp Clarity use the same basic technology as some prescription hearing aids. They amplify sounds using a microphone, amplifier, and speaker but do not require custom molds ...
An audiometer is a machine used for evaluating hearing acuity. They usually consist of an embedded hardware unit connected to a pair of headphones and a test subject feedback button, sometimes controlled by a standard PC. Such systems can also be used with bone vibrators to test conductive hearing mechanisms.
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