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Hearing The Sound

A healthy human ear can potentially hear 15 Hz-20,000 Hz. With age that range decreases, but only slightly. Now that it is possible to listen to music anywhere that decrease is seen much faster and sooner than normal. With people listening to audio devices as loud as 130 db , there is great loss of hearing quality.

With new preemptive measures to help hearing loss to a minimum, new ideas are being made. “Our headphones project the audio to the area around the ear” Said Ultrasone Representative. “With not projecting the audio straight to the ear canal, it causes the brain to get as much sound out of less volume”

I asked 50 people “How loud, and for how long”. Of the 50 people I asked, all of them listened for more than an hour at a time at levels I recorded.  Compare the decibel level to the time it takes to cause hearing damage

Decibels                  Time for Damage

85 db                       8 hours

88 dB                       4 hours

graph

91 db                       2 hours

94 db                       1 hour

97 db                       30 minutes

100 db                     15 minutes

106 dB                     7 min

106 dB                      4min

109 dB                     2min

112 dB                      1 min

115 dB .                    30 sec

Double Click for a larger picture
Double Click for a larger picture

A good way to keep a safe listening volume is to compare to outside noises. Such as items in the picture to the left. If you are louder than any of these items consider turning down or limit your time.  “I snap my finger, and if I can hear that I know my music is not too loud” Said cable designer Ralph K.

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Journalism

Articles written by Journalism are stories that have been written by members of the the Journalism classes at Buffalo High School. Follow The Hoofprint on Twitter to get more articles by the Journalism class

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