How can a person tell if a noisy situation is dangerous to their hearing?
People may differ in their sensitivity to noise. Nevertheless, as a general rule, noise is probably damaging to the hearing if the noise:
• makes it necessary to shout to be heard over the background noise,
• causes ear pain
• makes the ears ring, or
• causes a loss of hearing for several hours or more after exposure to the noise.
In contrast to popular belief, there is no truth to the idea that a person is able to “toughen up” the ears by frequent exposure to loud noise. In reality, cumulative noise in the past has probably damaged the ears to such a degree that a person doesn’t hear the noise as much. Unfortunately, no treatment is available for noise-induced hearing loss once the damage has occurred. But the good news is – hearing protection can prevent damaged hearing. Learn about the dB Blocker experience.
dB Blockers™ offer “The Smartest Hearing Protection in the World” especially where interpersonal communication is required. dB Blockers™ are custom fit to each individual wearer for maximum comfort and are made from SkinsoftT medical silicone. dB Blockers™ are particularly suited for industrial applications where communication between individuals is desired. These hearing protectors can be worn for a complete shift, without the need to remove it to talk on the phone, eat or relieve pressure.
Many experts agree that continual exposure to more than 82 decibels (dB) is dangerous to the ears. As already mentioned, the decibel is a measure of the intensity of sound.
• the faintest sound the human ear can detect is labeled 0 dB, whereas the noise at a rocket pad during launch approaches 180 dB;
• a quiet whisper is approximately 30 dB;
• normal conversation is 60 dB;
• a lawnmower is 90 dB; and
• the sound from an iPod Shuffle has been measured at 115 dBs.
Decibels are measured logarithmically, which means that the sound energy of noise increases by units of 10. Therefore, a dB increase of a sound from 20 to 30 dB is an increase of 10 times, and a dB increase of a sound from 20 to 40 dB corresponds to increase of 100 times (10 times 10).
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