Noise-induced hearing loss (nihl) is a more widespread confusion results from exposure to the high-intensity sound, especially in a fairly long period of time. Nihl is a preventable hearing impairment, affecting people of all ages, as well as demographic information.

According to a position statement issued by the United States Academy of Sciences hearing in 2003, the average, otherwise healthy people will have essentially normal hearing at least until the age of 60, if his or her ears are not exposed to high noise levels. Unfortunately, about 30 million adults in the United States exposed to hazardous sound levels in the workplace. Among them, these 30 million people, of whom four were in permanent hearing loss, a result of their occupation. Even nihl primarily affects the adult working population, nihl can be identified, the youth and young adult population, as well as. Nihl incidence rate in young people who would not be surprised, because the popular portable music devices (players and iPods), concerts, and nightclubs in this population.

The good news is that nihl can easily preventable, through the use of some of the most simple, widely used and economical tool. These include, but are not limited to, hearing protection (ear plugs earmuffs), education and hearing conservation program.

Hearing protection device is to noise reduction, it still allows the user to hear normal conversation voices, including warning signals, and the normal evaluation of the noise about 55 decibels (dB), but block harmful noise high ratings higher than 86 db.

Now there are several custom hearing protection in the market. Some of them are from sonomax sonocostum protection device, that is, from curing custom silicon that is suitable arrested on the spot. These devices are suitable for in less than 15 minutes, a 3-year costs, usually less than half the cost of foam plugs.