Testing Hearing Aids - Part 2: Methods for characterizing signal processing in hearing aids with a speech-like signal (a nationally adopted international standard)
standard by American National Standards of the Acoustical Society of America, 09/20/2012

American National Standard Electroacoustics - Simulators of Human Head and Ear - Part 3: Acoustic Coupler for the Calibration of Supra-aural Earphones Used in Audiometry (a nationally adopted international standard)
standard by American National Standards of the Acoustical Society of America, 05/15/2015

American National Standard Specification for Audiometers
standard by American National Standards of the Acoustical Society of America, 10/11/2018