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REAT systems rely on the subjective response of the person being tested to determine auditory thresholds much like a hearing test where the subject indicates when sound is heard at various frequencies. According to the acoustic standards, REAT testing of hearing protection devices must be tested in an acoustic chamber with a diffuse sound field.
Various earmuff hearing protectors. Sound levels of some daily activities. A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss. HPDs reduce the level of the noise entering the ear.
A hearing test provides an evaluation of the sensitivity of a person's sense of hearing and is most often performed by an audiologist using an audiometer. An audiometer is used to determine a person's hearing sensitivity at different frequencies. There are other hearing tests as well, e.g., Weber test and Rinne test.
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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 ...
Like many other of our top picks, the hearing aids offer Bluetooth capabilities for hands-free calls and streaming your favorite music, podcasts and TV shows right to your hearing aid (iPhone 11 ...