Introduction to Griffin Armament's Silencer Testing Standard™

Griffin Armament has researched and implemented a new sound suppressor testing standard to better enable consumers with dosing data. For previous decades, the standard has been to only show PEAK impulse decibel data.

When Griffin asked how to show this data, Hottinger Brüel & Kjær (leading audiology metrology provider) suggested researching the US Army Development Command's Army Research Laboratory AHAAH (Auditory Hazard Assessment Algorithm for Humans), as this is a supported function in the HBK PULSE LabShop software.

Griffin's new data continues to show peak decibel data, as that is the loudest part of the waveform, but also shows more details that will be of interest to consumers for years to come. This data includes:

• Peak dB sound pressure level reading.
• LAeq A-weighted Equivalent Continuous Sound Pressure Level (average A weighted dB sound pressure for the waveform over the defined time in milliseconds).
• Leq Unweighted Equivalent Continuous Sound Pressure Level (average unweighted dB sound pressure for the waveform over the defined time in milliseconds).
• Number of exposures with no protector worn, "warned" (how many gun shots would be safe to fire or be in the immediate vicinity of, daily and weekly, for an anticipating observer) applying to 95% of the exposed population.
• Source document of waveform graphic and table.
• Descriptive summary of testing.

Resources:
https://www.arl.army.mil/resources/ahaah/
https://www.bksv.com/en/about/history

Timecodes
0:00 - Intro
0:18 - Hardware History
4:00 - Peak Data History
6:20 - Scientist Factory Tech Setup
7:59 - Noise Dosing & Customer Satisfaction
10:59 - AHAAH Overview
12:25 - Waveform Practical Demonstration
17:33 - Software Recap
18:11 - Hearing Protection Importance
19:29 - Noise Dosing Recap
20:16 - Summary

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