Listen Smart – Safely Handling the Power of Sound

CC Image by “sound board” J. McPherskesen Flickr

Can You Hear This?

Hearing Test: http://www.noiseaddicts.com/2009/03/can-you-hear-this-hearing-test/

Sound Levels: http://makeitlouder.com/Decibel%20Level%20Chart.txt

 

Listen Smart- Safely Handling the Power of Sound

  • Sound is measured in decibels, loudness of sound
  • Prolonged exposure to  loud sounds, starting at 80 db can cause hearing deterioration
  • Pain starts to occur at 125 db
  • Once its damaged, it cant be repaired
  • Doesn’t only affect old people- young people can be affected too
  • 10-20% of high school students have partial hearing loss
  • More than 1/3 of all hearing loss is attributed to noise
  • People tend to not worry about hearing loss
  • Can happen quick as 30 seconds or gradually over time
  • Cochlear hair cells are used for hearing, and they cannot be replaced
  • Losing the hair cells mean losing the ability to hear
  • 28 million americans are hearing impaired
  • Ringing in ears are temporary but can be permanent
  • Prevention is important, music artists protect their ears especially on stage
  • Cotton and tissues cannot protect your ears
  • Ear plugs are available at the drug store

SoundAdvice.info For Audio Career Tips

  • Bars, nightclubs, orchestras, theaters, and recording studios, for example, are most susceptible to loud sounds
  • Reducing noises in music is to protect people, both performers and audiences, not to destroy art
  • Employers will need to prevent/reduce the risks of noises at work to protect the worker’s hearing.
  • Employers are required to prevent or reduce the hearing damage received at work, within reasonable amounts under The Control of Noise at Work Regulations, 2005
  • The law also states that employers and employees must prevent or reduce the hearing damage on the general public, too
  • To protect your hearing, choose a device that decreases noise to around 85 dB, and peak to 137 dB
  • Over-protection will make the wearer feel isolated
  • Properly clean the device for it to be effective

Sound Levels Chart

Image from hearnet.com

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