ASTM International - ASTM E966-99

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

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Organization: ASTM International
Publication Date: 10 April 2002
Status: historical
Page Count: 10
ICS Code (Acoustics in building. Sound insulation): 91.120.20
scope:

1.1 This guide covers field procedures for measuring the sound level reduction or sound transmission loss of an installed building facade or facade element in specified frequency bands. These values may be used separately to predict interior levels or combined into a single number such as by Classification E 413 (with precautions) or Classification E 1332 to estimate the sound insulating properties of the test element, FOITC, in the field. The results are applicable to installations similar to that tested when exposed to an outdoor sound field similar to that used during the measurement.

1.1.1 The facade element may be the exterior wall of a room in the building, or a portion of that wall such as a door or window, when the remainder of that wall has substantially greater sound insulation than the portion under test.

1.2 To cope with the variety of outdoor test geometry that may be encountered, several testing techniques are presented. These techniques and their general applicability are summarized in Table 1 and Figs. 1-6 .

1.3 This guide may be used to determine the outdoor-indoor level reduction (OILR), which is the difference in sound pressure between a specified outdoor sound field and the resulting sound pressure level in the room abutting the test facade or facade element. The outdoor sound field and its measurement must be thoroughly described. The resulting level reduction or transmission loss value will depend on the outdoor field geometry and the point at which it is measured or represented.

1.4 The values stated in SI units are to be regarded as standard. The values given in parentheses are provided for information only.

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

Document History

November 1, 2018
Standard Guide for Field Measurements of Airborne Sound Attenuation of Building Facades and Facade Elements
1.1 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...
January 15, 2018
Standard Guide for Field Measurements of Airborne Sound Attenuation of Building Facades and Facade Elements
1.1 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...
September 1, 2010
Standard Guide for Field Measurements of Airborne Sound Insulation of Building Facades and Facade Elements
The best uses of this guide are to measure the OINR and the AOITL(θ) or OITL(θ) at specific angles of incidence. By measuring the AOITL(θ) or OITL(θ) at several loudspeaker sound incidence angles, by...
September 1, 2010
Standard Guide for Field Measurements of Airborne Sound Insulation of Building Facades and Facade Elements
The best uses of this guide are to measure the OINR and the AOITL(θ) or OITL(θ) at specific angles of incidence. By measuring the AOITL(θ) or OITL(θ) at several loudspeaker sound incidence angles, by...
April 1, 2004
Standard Guide for Field Measurements of Airborne Sound Insulation of Building Facades and Facade Elements
1.1 This guide covers field procedures for measuring the sound level reduction or sound transmission loss of an installed building facade or facade element in specified frequency bands. These values...
ASTM E966-99
April 10, 2002
Standard Guide for Field Measurements of Airborne Sound Insulation of Building Facades and Facade Elements
1.1 This guide covers field procedures for measuring the sound level reduction or sound transmission loss of an installed building facade or facade element in specified frequency bands. These values...
April 10, 2002
Standard Guide for Field Measurements of Airborne Sound Insulation of Building Facades and Facade Elements
1.1 This guide covers field procedures for measuring the sound level reduction or sound transmission loss of an installed building facade or facade element in specified frequency bands. These values...
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