Sunday, December 30, 2012

CHILDREN hear Fireworks LOUDER than ADULTS, heres WHY...

                                        The Dangers and Signs of Loud Noise
                   The Better Hearing Institute (BHI) is urging people to pack earplugs

              1 in 10,000 people suffer permanent hearing damage because of fireworks .

                                      Fireworks: decibel levels reach a staggering 145-150. Even tests are performed under strict sound proofing to avoid any ear injury.

                                     A clap of thunder from a nearby storm (120 dB) or a gunshot (140-190 dB, depending on weapon), can both cause immediate damage. (of course there is a pun in the picture)

                                     Gunfire quite loud at 145-155 decibels. This is the very reason why you should always wear ear protection when on a firing range. (Note protective ear wear)

                                     A 400,000 Wat rock concert or a similar set of speakers mounted in a vehicle can reach ear-splitting decibel levels. Is it any reason most promoters recommend you wear ear protection to stave off the 135-145 decibel sound waves.

                      High frequency sounds of 2-4,000 Hz are the MOST DAMAGING!

              The uppermost octave of the piccolo is 2,048-4,096 Hz.    piccolo is 95-112 dB

                                                      trombone  is 85-114 dB

                                          When listening to music on earphones at a standard volume level 5, the sound generated reaches a level of 100 dB, loud enough to cause permanent damage after just 15 minutes per day!
                        ANY NOISE ABOVE  85 dB IS CONSIDERED UNSAFE ! 

Please use protection for your Children

Here is a list of common noises and their decibel levels:

Aircraft at take-off (180)      Fireworks (140)       Snowmobile (120)        Chain saw (110)
Amplified regular music (110)      Lawn mower (90)        Noisy office (90)    
Vacuum cleaner (80)          City traffic (80)      Normal conversation (60)

If you have to shout over the noise to be heard by someone within arm's length, the noise is probably in the dangerous range.

Here are other warning signs: 
    You have pain in your ears after leaving a noisy area.
    You hear ringing or buzzing (tinnitus) in your ears immediately after exposure to noise.
    You suddenly have difficulty understanding speech after exposure to noise; you can hear people talking but can't understand them.

Who are at risk besides Children:
Young adults under the age of 25 are three times more likely than other groups to suffer fireworks related hearing damage.
Men are three times more at risk than women.
19 year old men are 11 times more at risk than the general population.

Anyone can take the first step to addressing hearing loss by taking a simple, interactive screening test in the privacy of their own home by going to

The best way to protect hearing is to avoid excessively loud noise. When you know you'll be exposed to loud noises, like fireworks, wear ear protection. Every day you can protect your hearing by keeping down the volume on earbuds, stereos, and televisions. And you can teach children to quickly plug their ears with their fingers when they're suddenly and unexpectedly bombarded by loud sirens, jack hammers, and other loud sounds.

Noise-Induced Hearing Loss (NIHL)
Of the roughly 40 million Americans suffering from hearing loss, 10 million can be attributed to noise-induced hearing loss (NIHL). NIHL can be caused by a one-time exposure to loud sound as well as by repeated exposure to sounds at various loudness levels over an extended period of time. Damage happens to the microscopic hair cells found inside the cochlea. These cells respond to mechanical sound vibrations by sending an electrical signal to the auditory nerve. Different groups of hair cells are responsible for different frequencies (rate of vibrations). The healthy human ear can hear frequencies ranging from 20Hz to 20,000 Hz. Over time, the hair cell's hair-like stereocilia may get damaged or broken. If enough of them are damaged, hearing loss results. The high frequency area of the cochlea is often damaged by loud sound.

Sound pressure is measured in decibels (dB). Like a temperature scale, the decibel scale goes below zero. The average person can hear sounds down to about 0 dB, the level of rustling leaves. Some people with very good hearing can hear sounds down to -15 dB. If a sound reaches 85 dB or stronger, it can cause permanent damage to your hearing. The amount of time you listen to a sound affects how much damage it will cause. The quieter the sound, the longer you can listen to it safely. If the sound is very quiet, it will not cause damage even if you listen to it for a very long time; however, exposure to some common sounds can cause permanent damage. With extended exposure, noises that reach a decibel level of 85 can cause permanent damage to the hair cells in the inner ear, leading to hearing loss. Many common sounds may be louder than you think…

                 Data and Statistics      In the United States       Hearing Loss Tomorrow
Hearing loss, unfortunately, is only expected to increase in coming decades as the U.S. population ages. The costs are enormous; economists estimate that each case of hearing loss will result in overall expenses of
               $43,000 in people older than 60,
                             $453,000 in working-age adults,
                                          and more than $1 million in children younger than 3.

                              We hope that you have a Safe and Wonderful New Year!


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