National association of future doctors of audiology nafda
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National Association of Future Doctors of Audiology (NAFDA). Harmful Noise Levels. Exposure to Musicians. Rock concerts Marching bands Music from a player's own instrument or other’s instruments. Exposure to Musicians. Exposure to Musicians.

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Harmful Noise Levels

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National association of future doctors of audiology nafda

National Association of Future Doctors of Audiology (NAFDA)

Harmful Noise Levels


Exposure to musicians

Exposure to Musicians

  • Rock concerts

  • Marching bands

  • Music from a player's own instrument or other’s instruments


Exposure to musicians1

Exposure to Musicians


Exposure to musicians2

Exposure to Musicians

Continuous sound dBA Unprotected permissible exposure time

  • 85 8 hours

  • 88 4 hours

  • 91 2 hours

  • 94 1 hour

  • 97 30 minutes

  • 100 15 minutes

  • 103 7.5 minutes

  • 106 < 4 minutes

  • 109 < 2 minutes

  • 112 ~1 minutes

  • 115 ~30 seconds


Hearing in general

Hearing in General

From Sound to Cilia


Auditory pathology

Auditory Pathology

  • Sensorineural Hearing loss

    • Damage to Cochlea or beyond

    • Outer hair cells in the cochlea are damaged

Conductive

Sensorineural


Threshold shift

Threshold Shift

  • Temporary threshold shift

  • Permanent threshold shift

  • Tinnitus


Symptoms of hearing loss

Symptoms of Hearing Loss

  • Tinnitus

  • Trouble hearing in background noise

  • Miss high frequency sounds

  • Reduced ability to hear at a distance

  • Reduced ability to localize sounds


Audiologic evaluation includes

Audiologic Evaluation includes:

  • Case History

  • Otoscopic Examination

  • Tympanometry

  • Otoacoustic Emissions

  • Pure Tone Audiometry


Harmful noise levels

v


Functional limitations

Functional Limitations

Miss high frequency sounds

Consonant sounds


Hearing loss simulation

Hearing Loss Simulation

  • Noise induced hearing loss

    • Mild high frequency

      • Speech in quiet

      • Speech in noise

    • Moderately-severe high frequency

      • Speech in quiet

      • Speech in noise


Musician s earplugs

Musician’s Earplugs

  • High fidelity

  • Three types of attenuator buttons

    • ER-9

    • ER-15

    • ER-25

  • Can change buttons for different listening situations


Musician s earplugs1

Musician’s Earplugs


Other types of hearing protection

Other Types of Hearing Protection

Silicone rubber earplugs

Foam earplugs


Hearing screenings

Hearing Screenings

  • XX

  • XX

  • XX

  • XX


Resources

Resources

  • asha.org

  • etymotic.com

  • www.cdc.gov/niosh

    Audra Woods- [email protected]

    Elizabeth Schnabel- [email protected]

    Ryan Pratt- [email protected]


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