Newly Published, Newly Revised, and Reaffirmed Standards

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ASA has a robust portfolio of more than 154 standards, technical reports, and projects under development — covering a wide range of topics and disciplines in acoustics. As a premiere acoustical society, we bring together diverse expertise and voices ranging from practitioners, government, academia, researchers, and users who collectively and collaboratively advance the direction and impact acoustics has on the global marketplace.

Our volunteers and organizational members are always working — developing new projects, revising existing standards and technical reports, and reaffirming those that are globally disseminated and widely used.

Newly Published or Newly Revised

Accredited Standards Committee S1 Acoustics

ASA/ANSI S1.42-2023 Design Response of Weighting Networks for Acoustical Measurements

Accredited Standards Committee S2 Mechanical Vibration and Shock

Accredited Standards Committee S3 Bioacoustics

Accredited Standards Committee S3/SC1 Animal Bioacoustics

Accredited Standards Committee 12 Noise

• ASA/ANSI S12.3-2023 Declaration of Product Noise Emission Values

Newly Adopted

Accredited Standards Committee S1 Acoustics

Accredited Standards Committee S2 Mechanical Vibration And Shock

Accredited Standards Committee S3 Bioacoustics

• ASA/ANSI S3.55-2023/Part 8/IEC 60318-8:2022 Electroacoustics – Simulators of human head and ear – Part 8: Acoustic coupler for high-frequency measurements of hearing aids and earphones coupled to the ear by means of ear inserts

Accredited Standards Committee S3/SC1 Animal Bioacoustics

Accredited Standards Committee 12 Noise

Newly Reaffirmed

Accredited Standards Committee S1 Acoustics

• ASA/ANSI S1.18-2018 (R2023) Method for Determining the Acoustic Impedance of Ground Surfaces

Accredited Standards Committee S2 Mechanical Vibration and Shock

• ASA/ANSI S2.9-2008 (R2023) Parameters for Specifying Damping Properties of Materials and System Damping
• ASA/ANSI S2.28-2009 (R2023) Guide for the Measurement and Evaluation of Broadband Vibration of Surface Ship Auxiliary Rotating Machinery
• ANSI/ASA S2.29-2003 (R2023) Guide for the Measurement and Evaluation of Vibration of Machine Shafts on Shipboard Machinery
• ASA/ANSI S2.72-2002/Part 1 / ISO 2631-1:1997 (formerly ANSI S3.18-2002 / ISO 2631-1:2001) (R2023) Evaluation of human exposure to whole-body vibration – Part 1: General requirements
• ASA/ANSI S2.72/Part 1 Amd. 1-2010 / ISO 2631-1 Amd. 1:2010 (R2023) Mechanical vibration and shock – Evaluation of human exposure to whole-body vibration – Part 1: General requirements, AMENDMENT 1
• ASA/ANSI S2.72-2003/Part 4 (R2023)/ISO 2631-4-2001 (R2023) Mechanical Vibration and Shock – Evaluation of Human Exposure to Whole Body Vibration – Part 4: Guidelines for the Evaluation of the Effects of Vibration and Rotational Motion on Passenger and Crew Comfort in Fixed-Guideway Transport Systems
• ASA/ANSI S2.72/Part 4 Amd. 1-2010/ISO 2631-4 Amd. 1:2010 (R2023) Mechanical Vibration and Shock – Evaluation of Human Exposure to Whole Body Vibration – Part 4: Guidelines for the Evaluation of the Effects of Vibration and Rotational Motion on Passenger and Crew Comfort in Fixed-Guideway Transport Systems

Accredited Standards Committee S3 Bioacoustics

• ASA/ANSI S3.1-1999 (R2023) Maximum Permissible Ambient Noise Levels for Audiometric Test Rooms 
• ASA/ANSI S3.6-2018 (R2023) Specification for Audiometers
• ASA/ANSI S3.21-2004 (R2023) Methods for Manual Pure-Tone Threshold Audiometry
• ASA/ANSI S3.46-2013 (Revision of ANSI S3.46-1997) (R2023) Methods of Measurement of Real-Ear Performance Characteristics of Hearing Aids
• ASA/ANSI S3.47-2014 (R2023) Specification of Performance Measurement of Hearing Assistance Devices/Systems
• ASA/ANSI S3.55-2014/Part 1/IEC 60318-1:2009 (R2023) Electroacoustics – Simulators of Human Head and Ear – Part 1: Ear Simulator for the Measurement of Supra-aural and Circumaural Earphones 
• ASA/ANSI S3.71 (R2023) Methods for Measuring the Effect of Head-worn Devices on Directional Sound Localization in the Horizontal Plane

Accredited Standards Committee S3/SC1 Animal Bioacoustics

• ASA/ANSI S3/SC1.6-2018 (R2023) American National Standard Procedure for Determining Audiograms in Toothed Whales through Evoked Potential Methods

Accredited Standards Committee 12 Noise

• ASA/ANSI S12.1-1983 (R2023) Guidelines for the Preparation of Standard Procedures to Determine the Noise Emission from Sources
• ASA/ANSI S12.9-2013/Part 1 (R2023) Quantities and Procedures for Description and Measurement of Environmental Sound, Part 1: Basic Quantities and Definitions
• ASA/ANSI S12.9-1992/Part 2 (R2023) Quantities and Procedures for Description and Measurement of Environmental Sound, Part 2: Measurement of Long-Term, Wide-Area Sound 
• ASA/ANSI S12.9-2013/Part 3 (R2023) Quantities and Procedures for Description and Measurement of Environmental Sound – Part 3: Short-term Measurements with an Observer Present
• ASA/ANSI S12.11-2013/Part 1 / ISO 10302-1:2011 (R2023) Acoustics – Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices – Part 1: Airborne noise measurement 
• ASA/ANSI S12.11-2013/Part 2/ ISO 10302-2:2011 (R2023) Acoustics – Measurement of airborne noise emitted and structure-borne vibration induced by small air-moving devices – Part 2: Structure-borne vibration measurements
• ASA/ANSI S12.55-2012 / ISO 3745:2012 (R2023) Acoustics – Determination of sound power levels and sound energy levels of noise sources using sound pressure – Precision methods for anechoic rooms and hemi-anechoic rooms 

Newly Withdrawn

Accredited Standards Committee S1 Acoustics

• ASA/ANSI S1.14-1998 (R2018) Recommendations for the Specifying and Testing the Susceptibility of Acoustical Instruments to Radiated Radio-Frequency Electromagnetic Fields, 25 MHZ to 1 GHZ

Accredited Standards Committee S2 Mechanical Vibration and Shock

Accredited Standards Committee S3 Bioacoustics

Accredited Standards Committee S3/SC1 Animal Bioacoustics

Accredited Standards Committee 12 Noise

ASA/ANSI S12.58-2012 (R2019) Sound Power Level Determination for Sources Using a Single-source Position