Historical
ANSI/ASA S12.6-2008
Methods for Measuring the Real-Ear Attenuation of Hearing Protectors
Specifies laboratory-based procedures for measuring, analyzing & reporting passive noise-reducing capabilities of hearing protection devices. The procedures consist of psychophysical tests conducted on human subjects to determine real-ear attenuation measured at hearing threshold. Two fitting procedures are provided: Method A-trained subject fit and Method B-inexperienced subject fit, intended to approximate protection that can be attained by groups of informed users in workplace hearing conservation programs.
Content Provider
Acoustical Society of America [asa]
