PROTECTOR, HEARING (CIRCUMAURAL)
National Institutes of Health
Papers overview
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Abstract Objective: Uniform attenuation earplugs (UAE) theoretically provide near even attenuation across frequencies when built…
Abstract Objective: Supra-aural audiometric headphones are generally not recommended for use in measuring the attenuation of…
Research over the past decade has demonstrated substantial increases in noise reduction performance for circumaural hearing…
Ten otoscopically and tympanometrically normal young men with noise-exposed hearing loss (mn HTL at 1 kc/s = 25 db, and at 3 and…
Threshold sensitivity measures for speech were obtained with a TDH‐39 earphone housed in both an MX 41/AR supraaural cushion and…