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Intensity of Sound
Approximate Decibel Level
Examples
0 dB the quietest sound you can hear.
30 dB whisper, quiet library.
60 dB normal conversation, sewing machine, typewriter.
90 dB lawnmower, shop tools, truck traffic; 8 hours per day is the maximum exposure (protects 90% of people).
100 db chainsaw, pneumatic drill, snowmobile; 2 hours per day is the maximum exposure without protection.
115 dB sandblasting, loud rock concert, auto horn; 15 minutes per day is the maximum exposure without protection.
140 dB gun muzzle blast, jet engine; noise causes pain and even brief exposure injures unprotected ears; maximum allowed noise with hearing protector
- Intensity of sound is measured in decibels (dB). The scale runs from the faintest sound the human ear can detect, which is labeled 0 dB, to over 180 dB
Approximate Decibel Level
Examples
0 dB the quietest sound you can hear.
30 dB whisper, quiet library.
60 dB normal conversation, sewing machine, typewriter.
90 dB lawnmower, shop tools, truck traffic; 8 hours per day is the maximum exposure (protects 90% of people).
100 db chainsaw, pneumatic drill, snowmobile; 2 hours per day is the maximum exposure without protection.
115 dB sandblasting, loud rock concert, auto horn; 15 minutes per day is the maximum exposure without protection.
140 dB gun muzzle blast, jet engine; noise causes pain and even brief exposure injures unprotected ears; maximum allowed noise with hearing protector
What is a audiogram?
The audiogram gives information used to determine the most suitable help for an individual - which could be a hearing aid, cochlear implant, or other supportive device or equipment.
The audiogram gives information used to determine the most suitable help for an individual - which could be a hearing aid, cochlear implant, or other supportive device or equipment.
What too much noise does to your hearing?
What noise can damage your hearing?
How you can protect your ears from noise
Typical signs of a hearing loss in children include:
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People who have a hearing loss are very senative to loud noises
Below is an illustration of the fear and avoidance model to sound. The model shows the links with this behaviour and hyperacusis and this should be the basis for counseling a person with a hearing loss
Feelings of a person with a hearing loss. 1. People talk too fast and need to realize you need to slow down when you are talking to a person with a hearing loss. 2. People need to realize that it takes a person with a hearing loss more time to hear the information, process it and then write the information down. 3. People get frustrated with a person with a hearing loss when they need to repeat the information that was said. 4. They sometimes ignore you and don't want to include you in a conversation. 5. They make you feel like its your fault that you did not hear the information the first time that it was said. 6. People make you feel like you are not intelligent just because you can't hear everything that is said. 7. People do not understand that a person with a hearing loss are very sensitive of loud noises and tell you to leave the room if you don't like the loud noises. |
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hearing-loss-infographic.pdf | |
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