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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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Exposure to musicians
Exposure to Musicians

  • Rock concerts

  • Marching bands

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



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


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



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


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