Loudness Scale
 

Annual Meeting &
OTO EXPO

Annual Meeting & OTO EXPO October 4-7, 2009 in San Diego, CA

Annual Meeting & OTO EXPO October 4-7, 2009 in San Diego, CA
Registration is now open!

 

Loudness Scale


Unprotected exposure to sounds above 85 decibels for a prolonged period of time can lead to hearing loss. Use the scale below to help determine the approximate decibel levels of sounds around you.

NOTE: Loading time for the Interactive Loudness Scale may vary depending upon your Internet connection speed.
 
 

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About Otolaryngology

Otolaryngology is the oldest medical specialty in the Untied States

Otolaryngology (pronounced oh/toe/lair/in/goll/oh/jee) is the oldest medical specialty in the United States. Otolaryngologists are commonly referred to as ENT physicians.

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ENT History

1546 Account published of first documented successful tracheotomy
1806 Dutrochet introduces concept of vocal cord movement
1898 Carbon-type hearing aid first produced
1924 Otolaryngology specialty board (second such board in U.S.) is formed
1984 FDA approves first cochlear implant for marketing
1988 First wearable digital signal processing hearing aid produced

AAO-HNS MarketPlace

Shop patient leaflets and more in our online store

One stop shop for CME, patient information, coding resources, member connections, and more.

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New Research in Otolaryngology

New Research in Otolaryngology

The AAO-HNS is actively involved in conducting and supporting new research efforts in the field of otolaryngology - head and neck surgery.

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Copyright 2009. American Academy of Otolaryngology — Head and Neck Surgery

American Academy of Otolaryngology — Head and Neck Surgery

1650 Diagonal Road, Alexandria, VA 22314-2857

Phone: 1-703-836-4444