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Author: admin | 26.08.2015 | Category: Homeopathic Treatment For Tinnitus

Sound levels are almost exclusively measured with units called Decibels, abbreviated as dB. Decibels are the measurement of the exact levels of sound pressure reaching your eardrums.
Once you start getting close to 100 dB or so a set of relatively cheap ear plugs starts looking like a sound investment (pun intended again). 120-130 dB – jackhammers and some other heavy construction tools, a loud car stereo, band practice. 60-70dB – most conversation, average street traffic, a TV set, dishwasher or vacuum cleaner.
To help you minimize the risk of dangerous sound levels, HEAROS ear plugs have created several different ear plug styles and noise reduction ratings (up to NRR 33) to protect your hearing. With so many portable audio devices available these days, an increasing number of us have begun using earphones on a daily basis.
However, an indirect effect of this habit is the possibility of damaging your ears, lessening your ability to hear. To understand how loud sounds damage your ability to hear, we must first understand how our ears function.
Noise-Induced Hearing Loss occurs when loud sounds cause molecules to form in the ear which damage the small sensory cells. Solution:The best way to avoid Noise-Induced Hearing Loss is to keep your audio below 85dB and avoid prolonged use. A good set of high quality, well designed earphones can have a great impact on minimizing the risk of NIHL. There are many things that can cause damage to the auditory system, but the most common is noise damage. Please visit the NIH’s Interactive sound ruler for examples of various types of sounds and their hazard levels.
Musicians work in a high decibel environment in which hearing loss, tinnitus, hyper-sensitivity to sound and sound distortion can result.  Traditional earplugs are not a good choice for the professional musician, as they reduce sound by muffling low-to-mid-range frequencies, which change the frequency spectrum of what they are hearing. Hunting requires the ability to hear very soft sounds, while still having a need for protecting the ear from the peak noise levels of a gun blast. Prolonged noise can damage your hearing — even short bursts of sound over 90 decibels can have an impact.
Permanent hearing loss can occur in as little as 15 minutes with exposure to certain sounds and almost instantly with unprotected exposure to sounds generated from firearms and certain power tools. Be careful not to turn up your car stereo volume too loudly to compensate for noise from the engine or the wind. Wear headphones or solid earplugs for outstanding noise protection if you use noisy equipment such as drills, lawnmowers, etc. Summary Statement: Handout for laborers on sources of noise, effects of noise on hearing, and how to protect yourself from noise, including selection of hearing protection.
Like many construction workers, you may not hear as well as you once did, and that may worry you. Noise exposures that are loud enough and last long enough can damage nerves in your inner ear. The legal limit for construction workers in Washington is an 8-hour (full-shift) average noise exposure of 85 decibels. If you must raise your voice to talk to someone an arm’s length away, the noise level is probably over 85 decibels.
University of Washington researchers have been measuring the noise exposures of construction workers. Our research shows laborers are often exposed to too much noise, and need to be in a hearing loss prevention program.

Based on our measurements, most laborers will get enough protection if they wear a hearing protector with an NRR of 24 decibels. Hearing protectors are like shoes: one style will not work for all workers and all exposure levels.
The entire range of effective human hearing occurs between one and two bels — so a smaller unit is required. Excessively loud volumes damage the cochlear hairs, especially if sustained for extended periods of time. HEAROS offers earplugs for loud noises, loud snoring spouses, shooting (hunting, target practice), motorsports and traveling. Earphones, or earbuds, offer many desirable benefits ranging from convenient portability, to greater external noise isolation. Brief exposure to a 90dB sound may not damage your hearing, but if your ears are exposed for extended durations, there is a definite risk.
The sound causes the eardrum to vibrate, which in turn causes the malleus (mallet), incus (anvil), and stapes (stirrup) to also vibrate. When the destruction of the sensory cells reaches a certain point, the damage can be irreversible, and the hearing loss may be permanent! By following a few precautionary guidelines, and using a high quality set of earbuds, you’ll be able to enjoy your favorite audio for years to come. Custom musicians earplugs are available that can protect the musician’s ears from loud sounds without distorting what they hear.
Loud, sudden noises (gunfire, industrial noises, woodworking, motorcycles, loud music, motorized lawn equipment, noisy hobbies and other noises louder than 90 db) are more damaging to hearing than regular and extended exposure to loud sounds over a period of time. If your hearing is susceptible to any sounds above 90 decibels, you need to take immediate action to prevent permanent hearing damage.
By taking a few simple steps to protect them, you may be able to prevent hearing loss caused by excessive noise or foreign objects. Most acquired hearing loss is caused by damage to the inner ear, in particular the cochlea. Your concerns are real—by retirement, many construction workers have a noticeable hearing loss. Workers with an average noise exposure above 85 decibels need to wear hearing protectors—either earplugs or earmuffs— and be in a hearing loss prevention program. This program should include noise monitoring, training, efforts to reduce noise, and use of hearing protectors. For most activities, an NRR higher than 24 decibels will block too much sound and may interfere with communi-cation, including warning signals.
All laborers should be enrolled in a hearing loss prevention program—find out if your employer has one. The eardrum vibrates as pressure waves strike it, causing the hairs of the inner ear area called the cochlea, to vibrate as sound level increases.
It is a dimensionless unit, meaning that Decibels are not measured from some objective absolute zero value.
Sound levels can also vary due to factors like the acoustics of one’s surroundings and individual hearing loss. You don’t have to be popping off shotgun rounds every week or working at the airport to do it, either. Also, HEAROS makes waterproof ear plugs to protect your ears from infections like swimmers ear. Everywhere, people can be seen walking around with those tell-tale cords dangling from their ears; this is a true testament to our love of music and audio. Since we need our ears to continue enjoying audio, it is crucial to follow safety precautions when using earphones.

In fact, if you were to listen to the 90dB sound for three hours, you could cause the same damage as a 150dB, 30 second sound blast. Vacuum cleaners, noisy restaurants, and New York City traffic have all been rated right around 85dB and are great examples. There are also a variety of in ear monitors that will enhance the music experience whether you are a serious musician or just a music aficionado. Not only can they choose from custom or over-the-counter earplugs or earmuffs, they can also choose protection devices that provide amplification while reducing the sounds of gunfire down to a safe level.
You and your employer need to take steps to protect your hearing, and this pamphlet will help you do so. Construction workers in most other states have an 8-hour limit of 90 decibels enforced by OSHA.
Young, developing children are at especially high risk, so special attention should be given to developing and encouraging precautionary behavior in kids. Hearing protectors not properly fitted to the wearer’s ears do not effectively prevent damaging noises from penetrating the ear canal. This close proximity reduces the amount of sound that escapes, thus increasing the loudness. So if a person is already using their earbuds at a level greater than 85dB and they are doing so for extended periods of time, there is a very high risk of permanent noise-induced hearing loss. There is also the likelihood that hearing will be distorted or decreased substantially.The inner ear is only sensitive to extreme pain.
Unfortunately, many people make the common mistake of increasing their earphone volume in an attempt to get better sound, or to block out external noise. Small sensory “hair” cells located on a membrane of the cochlea move with the motion of the traveling waves.
Noise at 90 decibels will cause damage to the ear, but noise is not loud enough to cause pain until it is at 130 decibels. If your ears are routinely subjected to loud noise for extended periods of time, they begin to adapt. This adaptation may lead people to further increase the audio of what they are listening to and risk damage to their hearing.
When these sensory “hairs” are agitated in this way, they are able to accept an inrush of chemicals which cause an electric signal to be generated.
For example, if you listen to audio while running for hours, keep your volume down around 30%. If you want to rock out to that really heavy song, feel free to turn it up to 50% volume, just make sure you’re not listening to the super-long, extended version! If you are exposed to a loud situation, make sure you give your ears time to rest and recover.5. If you think you could be experiencing hearing loss, complete an online hearing test, as leaving the problem untreated increases its severity.Another great way to prevent damage to your hearing is regular hearing tests. If you are older, or work in a job where you are constantly exposed to loud noises, then a hearing test is a good idea. When hearing loss occurs, understanding what others are saying can be quite strenuous, meaning that holding up your end of a conversation is hard work. If you are having problems with conversations, some of the symptoms include thinking that people are speaking too softly or mumbling their words.

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