1. Copyright © American Speech-Language-Hearing Association
From: An Electroacoustic Analysis of Over-the-Counter Hearing Aids
Am J Audiol. 2008;17(1): doi: / (2008/003)
Legend:
The three audiometric configurations used in the study. Symbol key: ○ = Audiogram 1 (mild-to-moderate high-frequency loss); x = Audiogram 2 (moderate to moderately severe, sloping hearing loss); □ = Audiogram 3 (flat moderate hearing loss).
Date of download: 11/15/2017
Copyright © American Speech-Language-Hearing Association