Frequently Asked Questions > Pediatric Ear-, Nose-, & Throat-Related Questions > What are Otoacoustic emissions?

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Otoacoustic emissions are sounds that the inner ear makes after it “hears” a sound. For testing, a sound is presented to the ear at a certain level, say 30db and if the instrument detects a sound made by the ear, then the child/infant can hear, at a minimum, at that level or better.

Last updated on February 13, 2010 by Web Manager