Auditory Hazard Assessment Algorithm for Humans information
The Auditory Hazard Assessment Algorithm for Humans (AHAAH) is a mathematical model of the human auditory system that calculates the risk to human hearing caused by exposure to impulse sounds, such as gunfire and airbag deployment. It was developed by the U.S. Army Research Laboratory (ARL) to assess the effectiveness of hearing protection devices and aid the design of machinery and weapons to make them safer for the user.[1][2]
In 2015, the AHAAH became one of the two metrics used by the U.S. Department of Defense to approve the Military Standard (MIL-STD) 1474E for regulating maximum noise level exposure from military systems.[3][4] It is also used by the Society of Automotive Engineers to calculate the hazard of airbag noise and by the Israeli Defense Force for impulse noise analysis.[5]
^"Auditory Hazard Assessment Algorithm for Humans (AHAAH)". CCDC Army Research Laboratory. September 24, 2015. Retrieved January 6, 2020.
^Fedele, Paul; Binseel, Mary; Kalb, Joel; Price, G. Richard (December 2013). "Using the Auditory Hazard Assessment Algorithm for Humans (AHAAH) With Hearing Protection Software, Release MIL-STD-1474E". Army Research Laboratory. ARL-TR-6748. Archived from the original on June 1, 2022 – via Defense Technical Information Center.
^Nakashima, Ann (November 2015). "A comparison of metrics for impulse noise exposure" (PDF). Defence Research and Development Canada. DRDC-RDDC-2015-R243.
^Amrein, Bruce (May 2016). Military standard 1474E: Design criteria for noise limits vs. operational effectiveness. Proceedings of Meetings on Acoustics. Vol. 25. p. 040005. doi:10.1121/2.0000207 – via ResearchGate.
^Price, G. Richard; Kalb, Joel (2015). "Development of the auditory hazard assessment algorithm for humans model for accuracy and power in MIL-STD-1474E's hearing analysis". The Journal of the Acoustical Society of America. 138 (1774): 1774. Bibcode:2015ASAJ..138.1774P. doi:10.1121/1.4933615.
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