In the exiting and often noisy environments such as concerts and sports arenas. You must protect your hearing. Noise Induced Hearing Loss is the is the second most common cause of hearing loss. Much can be done to prevent noise-induced hearing loss but little can be done to reverse it. Sometimes a single exposure to loud noise is all that is needed, a single concert or football game without ear plugs. Loud noise damages the hair cells in the inner ear and can cause hearing loss, ear ringing and distortion of sounds.
The symptoms of noise induced hearing loss are subtle in the early stages. Hearing loss tends to occur first for high-pitched sounds only. Consequently, the volume of sound heard may be unchanged but the quality of it lessens. Speech may be heard but not completely understood. The presence of background noise can make speech hard to understand. Noise induced hearing loss can be accompanied by a ringing in the ears (tinnitus). Tinnitus can often be more annoying than the hearing loss itself. Treatment of tinnitus is often unsatisfactory.
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How can I tell if my hearing is damaged?
Hearing loss usually develops over a period of several years. Because it is painless and gradual, you might not notice it. What you might notice is a ringing or other sound in your ear (tinnitus), which could be the result of long-term exposure to noise that has damaged hearing nerves. Or you may have trouble understanding what people say; they may seem to be mumbling, especially when you are in a noisy place such as a crowd or a party. This could be the beginning of high-frequency hearing loss; a hearing test will detect it.
Decibels (dB) measure the intensity of sound. The scale runs from the faintest sound the human ear can detect, which is labeled 0 dB, to more than 180 dB, the noise at a rocket pad during launch. Most experts agree that continual exposure to more than 85 decibels is dangerous. Recent studies show an alarming increase in noise-related hearing loss in shooters.
Exposure to impulsive or impact noise should not exceed 140 dB peak sound pressure level.
If the variations in noise level involve maxima at intervals of 1 second or less, it is to be considered continuous.
Sounds 85dB and above continuously over a period of time has been known to cause severe hearing damage.
Please refer to the information provided at osha.gov
Pitch is the frequency of sound vibrations per second measured in hertz or kilohertz, and duration. A low pitch, such as a deep voice or a tuba, makes fewer vibrations per second than a high voice or violin—the higher the pitch, the higher the frequency. Loss of high-frequency hearing also can make speech sound muffled.
If you are exposed to noisy environments through your profession or recreational activities (such as concerts, noisy sport activities, or shooting) call us today to learn more about our products and how they can help enhance your hearing while protecting your hearing from further damage.