Noise Induced Hearing Loss (Pepsi Cola Challenge)
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Uploaded by HouseEar on Mar 24, 2010
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When an individual is over-exposed to excessive sound levels, sensitive structures of the inner ear can be damaged. This can result in permanent noise-induced hearing loss (NIHL). These structures can be injured by exposure to a brief but intense sound, such as an explosion, or from regular exposure to excessive sound levels over time. NIHL can be prevented through the control of sound levels or proper use of hearing protection devices (HPDs), such as earplugs or earmuffs.
When damage first occurs, it usually affects the part of the ear corresponding to the mid-frequency range of 3 to 5 kHz. On an audiogram, this type of hearing loss configuration is commonly referred to as a noise notch. These frequencies correspond to the region where our consonant sounds are heard. A person with this type of hearing loss may have trouble understanding speech because the speech sounds muffled. It is common for individuals with this type of hearing loss to report I can hear you; I just cant understand you. This is because the louder, lower frequency vowels are audible but the softer high frequency consonants are made even more difficult to hear, due to reduced hearing sensitivity in that spectral region.
For more info visit http://www.hei.org
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Uploader Comments (HouseEar)
All Comments (7)
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im in the wierd part of youtube again...
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So what do we do, be afraid of everything else in life just cause theres a CHANCE something wrong can happen. You only live once, use you own dam judgement (Y)
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@heatherdesign09 What are you talking about
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Well that viedo was stupied cuz I am def in one ear and I hear it all and can still hear it all so y aRUDE
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@KevinCarey i just dont see whats so smoking? maybe its the hat?
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girl at :30 is smokin
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HouseEar 1 year ago