Hearing protection device
Protection device for auditory organs / From Wikipedia, the free encyclopedia
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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. HPDs can also protect against other effects of noise exposure such as tinnitus and hyperacusis. There are many different types of HPDs available for use, including earmuffs, earplugs, electronic hearing protection devices, and semi-insert devices.[1]
The examples and perspective in this article may not represent a worldwide view of the subject. (June 2020) |
The use of the HPD without individual selection, training and fit testing[2] does not significantly reduce the risk of hearing loss.[3][4] For example, one study covered more than 19 thousand workers, some of whom usually used hearing protective devices, and some did not use them at all. There was no statistically significant difference in the risk of noise-induced hearing loss.[5]