The audiometers covered in this specification are devices designed for use in determining the hearing threshold of an individual in comparison with a chosen standard reference threshold level. This standard provides specifications and tolerances for pure tone, speech, and masking signals and describes the minumum test capabilities of different types of audiometers.
American National Standard Electroacoustics - Simulators of human head and ear - Part 8: Acoustic coupler for high-frequency measurements of...
American National Standard for Measurement of Sound Pressure Levels in Airstandard by American National Standards of the Acoustical Society of...
American National Standard Quantities and Procedures for Description and Measurement of Environmental Sound - Part 4: Noise Assessment and Prediction...
Shaft alignment methodology, Part 3: alignment of vertically oriented rotating machinerystandard by American National Standards of the Acoustical Society of...