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ASTM E 966 : 2018 : REV A

Current

Current

The latest, up-to-date edition.

Standard Guide for Field Measurements of Airborne Sound Attenuation of Building Facades and Facade Elements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-11-2018

This guide may be used to determine the outdoor-indoor noise reduction (OINR), which is the difference in sound pressure level between the free-field level outdoors in the absence of the structure and the resulting sound pressure level in a room.

1.1This guide may be used to determine the outdoor-indoor noise reduction (OINR), which is the difference in sound pressure level between the free-field level outdoors in the absence of the structure and the resulting sound pressure level in a room. Either a loudspeaker or existing traffic noise or aircraft noise can be used as the source. The outdoor sound field geometry must be described and calculations must account for the way the outdoor level is measured. These results are used with Classification E1332 to calculate the single number rating outdoor-indoor noise isolation class, OINIC. Both OINR and OINIC can vary with outdoor sound incidence angle.

1.2Under controlled circumstances where a single façade is exposed to the outdoor sound, or a façade element such as a door or window has much lower transmission loss than the rest of the façade, an outdoor-indoor transmission loss, OITL(θ), or apparent outdoor-indoor transmission loss, AOITL(θ), may be measured using a loudspeaker source. These results are a function of the angle of incidence of the sound field. By measuring with sound incident at many angles, an approximation to the diffuse field transmission loss as measured between two rooms can be obtained. The results may be used to predict interior sound levels in installations similar to that tested when exposed to an outdoor sound field similar to that used during the measurement. The single number ratings of apparent outdoor-indoor transmission class, AOITC(θ), using AOITL(θ) and field outdoor-indoor transmission class, FOITC(θ), using OITL(θ) may be calculated using Classification E1332. These ratings also may be calculated with the data obtained from receiving room sound pressure measurements performed at several incidence angles as discussed in 8.6.

1.3To cope with the variety of outdoor incident sound field geometries that are encountered in the field, six testing techniques are presented. These techniques and their general applicability are summarized in Table 1 and Figs. 1-6. The room, façade, or façade element declared to be under test is referred to as the specimen.

FIG. 1Geometry—Calibrated Source Method

Geometry—Calibrated Source MethodGeometry—Calibrated Source Method

FIG. 2Geometry—Nearby Average Method

Geometry—Nearby Average MethodGeometry—Nearby Average Method

FIG. 3 Geometry—Flush Method

 Geometry—Flush Method Geometry—Flush Method

FIG. 4 Geometry—Equivalent Distance Method

 Geometry—Equivalent Distance Method Geometry—Equivalent Distance Method

FIG. 5 Geometry—2 m (79 in.) Position Method

 Geometry—2 m (79 in.) Position Method Geometry—2 m (79 in.) Position Method

FIG. 6 Geometry and Formulas—Line Source Flush Method

 Geometry and Formulas—Line Source Flush Method Geometry and Formulas—Line Source Flush Method

1.4The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.

1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee
E 33
DocumentType
Guide
Pages
15
ProductNote
This standard refers to :- IEC 61672
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

ASTM E 492 : 2022 Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
ASTM E 2235 : 2003 Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
ASTM E 1414 : 2000 : REV A Standard Test Method for Airborne Sound Attenuation Between Rooms Sharing a Common Ceiling Plenum
ASTM E 1332 : 2010 Standard Classification for Determination of Outdoor-Indoor Transmission Class
ASTM E 1332 : 2010 : REV A Standard Classification for Rating Outdoor-Indoor Sound Attenuation
ASTM C 634 : 2013 : EDT 1 Standard Terminology Relating to Building and Environmental Acoustics
ASTM E 2235 : 2004 Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
ASTM E 2235 : 2004 : R2020 Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
ASTM E 2235 : 2004 : R2012 Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
ASTM C 634 : 2022 Standard Terminology Relating to Building and Environmental Acoustics
ASTM E 2964 : 2019 Standard Test Method for Measurement of the Normalized Insertion Loss of Doors
ASTM E 1007 : 2019 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 336 : 2023 Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
ASTM E 492 : 2009 : R2016 : EDT 1 Standard Test Method for Laboratory Measurement of Impact Sound Transmission Through Floor-Ceiling Assemblies Using the Tapping Machine
ASTM C 634 : 2013 : R2021 Standard Terminology Relating to Building and Environmental Acoustics
ASTM E 2964 : 2014 : EDT 1 Standard Test Method for Measurement of the Normalized Insertion Loss of Doors
ASTM E 2235 : 2004 : EDT 1 Standard Test Method for Determination of Decay Rates for Use in Sound Insulation Test Methods
ASTM E 1332 : 1990 : R1998 Standard Classification for Determination of Outdoor-Indoor Transmission Class
ASTM E 1007 : 2011 : EDT 1 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 1007 : 2013 : REV A Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 1332 : 2016 Standard Classification for Rating Outdoor-Indoor Sound Attenuation
ASTM E 1414 : 2006 Standard Test Method for Airborne Sound Attenuation Between Rooms Sharing a Common Ceiling Plenum
ASTM E 1332 : 2022 Standard Classification for Rating Outdoor-Indoor Sound Attenuation
ASTM E 1007 : 1997 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 2964 : 2014 Standard Test Method for Measurement of the Normalized Insertion Loss of Doors
ASTM E 2964 : 2021 Standard Test Method for Measurement of the Normalized Insertion Loss of Doors
ASTM E 90 : 2023 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements
ASTM E 1007 : 2021 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 1007 : 2013 : REV B Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 1007 : 2014 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 1007 : 2004 : EDT 1 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 1332 : 1990 : R2003 Standard Classification for Determination of Outdoor-Indoor Transmission Class
ASTM E 1007 : 2016 Standard Test Method for Field Measurement of Tapping Machine Impact Sound Transmission Through Floor-Ceiling Assemblies and Associated Support Structures
ASTM E 90 : 2009 : R2016 Standard Test Method for Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions and Elements

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