Is your hearing aid making it difficult for you to communicate in noisy environment? Well then try out the new open-fit one developed by researchers from Washington University School
Researchers from Washington University School of Medicine in St. Louis have developed a new hearing aid technology that can help people hear even in noisy environments.
The new open fit hearing aids with directional microphones let ambient sounds into the ear canal, unlike more conventional hearing aids, which completely block off the canal, which creates an occlusion effect that makes wearers' own voices sound a little like they are talking from the bottom of a barrel.
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Because open-fit aids let sound pass directly to the eardrum, some believe this will lessen their ability to decrease background sounds.
The researchers tested the new technology in a loud restaurant set up with sound of plates and silverware and the clamour of voices.
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"We have a sound room set up to be an exact duplication of being in a loud restaurant. It's real restaurant noise, and it allows us to realistically test hearing aids," he added.
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This is a very common type of hearing loss that often comes with aging or prolonged noise exposure.
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"We are the first to show that a directional microphone in open-fit can provide improved performance in noise."
Moreover, the aids without directional microphones performed worse in the noisy situation than no aid at all.
"That's not unusual. People often tell me that when they are in a noisy situation, they take out their hearing aids because they don't help and sometimes even make it harder to hear," he added.
The study is published in the June issue of the International Journal of Audiology.
Source-ANI
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