Electronic Hearing Protection can be divided into two main categories, products intended to improve short range communications in noisy environments, and products intended to provide entertainment during work or play. Names like Noise Canceling Ear Muffs, Active Ear Muffs are terms sometimes used to describe this type of products. However, the technology used is not noise cancellation but rather different compression and filtration techniques. Also FM radio earmuffs are included in the electronic hearing protection category.
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