Half Price Standard Code

American National Standard Methods for the Field Measurement of the Sound Output of Audible Public Warning Devices Installed at Fixed Locations Outdoors
standard by American National Standards of the Acoustical Society of America, 01/01/1992

Method of Measurement of Performance Characteristics of Hearing Aids Under Simulated Real-Ear Working Conditions
standard by American National Standards of the Acoustical Society of America, 02/25/2010

American National Standard Characteristics to be Specified for Seismic Transducers
standard by American National Standards of the Acoustical Society of America, 01/01/1989

American National Standard Impulse Sound Propagation for Environmental Noise Assessment
standard by American National Standards of the Acoustical Society of America, 01/01/1996

American National Standard for Measurement Microphones, Part 2: Primary Method for Pressure Calibration of Laboratory Standard Microphones by the Reciprocity Technique.
standard by American National Standards of the Acoustical Society of America, 03/09/2005

American National Standard Preferred Earhook Nozzle Thread for Postauricular Hearing Aids
standard by American National Standards of the Acoustical Society of America, 01/01/1987

American National Standard Single Cantilever Beam Method for Measuring the Dynamic Mechanical Properties of Viscoelastic Materials
standard by American National Standards of the Acoustical Society of America, 01/01/1998

American National Standard Acoustics – Determination of sound power levels of noise sources using sound pressure – Precision methods for anechoic and hemi-anechoic rooms
standard by American National Standards of the Acoustical Society of America, 08/23/2012

American National Standard Mechanical Vibration of Rotating and Reciprocating Machinery-Requirements for Instruments for Measuring Vibration Severity
standard by American National Standards of the Acoustical Society of America, 01/01/1984

American National Standard Specification of Hearing Aid Characteristics
standard by American National Standards of the Acoustical Society of America, 11/10/2014