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ASTM E336

Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings

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Organization: ASTM
Publication Date: 1 October 2007
Status: inactive
Page Count: 11
ICS Code (Acoustics in building. Sound insulation): 91.120.20
scope:

The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory) and any transmission along a number of indirect paths, usually referred to as flanking paths. Fig. 1 illustrates the direct paths and some possible structural flanking paths. Additional non-structural flanking paths may include transmission through common air ducts between rooms, or doors to the corridor from adjacent rooms.

The main part of this test method defines procedures and metrics to assess the sound isolation between two rooms in a building separated by a common partition including both direct and flanking transmission paths. Appropriate measures and their single number ratings are the noise reduction (NR) and noise isolation class (NIC), the normalized noise reduction (NNR) and normalized noise isolation class (NNIC), and the apparent transmission loss (ATL) and apparent sound transmission class (ASTC). With the exception of the ATL and ASTC under specified conditions, these procedures are only applicable when both room volumes are less than 150 m3.

NOTE 1-The word "partition" in this test method includes all types of walls, floors, or any other boundaries separating two spaces. The boundaries may be permanent, operable, or movable.

Annex A1 provides methods to assess the sound transmission through a partition or partition element with the influence of flanking transmission reduced. These methods may be used when it must be demonstrated that a partition has achieved a specified minimum sound attenuation. The results are the field transmission loss (FTL) and field sound transmission class (FSTC).

Annex A2 provides methods to measure the sound isolation between portions of two rooms in a building separated by a common partition including both direct and flanking paths when at least one of the rooms has a volume of 150 m3 or more. The results are the noise reduction (NR) and noise isolation class (NIC).

This standard may involve hazardous materials, operations, and equipment. This 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 and health practices and determine the applicability of regulatory limitations prior to use.

Document History

April 1, 2020
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is influenced most strongly by a combination of the direct transmission through the nominally separating building element (as normally measured in...
October 1, 2019
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is influenced most strongly by a combination of the direct transmission through the nominally separating building element (as normally measured in...
January 1, 2019
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is influenced most strongly by a combination of the direct transmission through the nominally separating building element (as normally measured in...
November 15, 2017
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is influenced most strongly by a combination of the direct transmission through the nominally separating building element (as normally measured in...
July 1, 2017
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is influenced most strongly by a combination of the direct transmission through the nominally separating building element (as normally measured in...
October 1, 2016
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is influenced most strongly by a combination of the direct transmission through the nominally separating building element (as normally measured in...
January 1, 2016
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
September 1, 2015
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
April 15, 2014
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
November 1, 2011
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
September 1, 2010
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
September 1, 2009
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
November 1, 2008
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
ASTM E336
October 1, 2007
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
April 1, 2005
Standard Test Method for Measurement of Airborne Sound Attenuation between Rooms in Buildings
The sound isolation between two spaces in a building is determined by a combination of the direct transmission through the nominally separating building element (as normally measured in a laboratory)...
March 10, 1997
Standard Test Method for Measurement of Airborne Sound Insulation in Buildings
Measures of Acoustical Insulation - This test method covers procedures for determining the sound insulation between two rooms in a building. The evaluation may be made including all paths by which...
March 10, 1997
Standard Test Method for Measurement of Airborne Sound Insulation in Buildings
1. Scope 1.1 Measures of Acoustical Insulation--This test method covers procedures for determining the sound insulation between two rooms in a building. The evaluation may be made including all paths...
November 10, 1996
Standard Test Method for Measurement of Airborne Sound Insulation in Buildings
A description is not available for this item.
April 27, 1990
Standard Test Method for Measurement of Airborne Sound Insulation in Buildings
A description is not available for this item.
April 27, 1984
STANDARD TEST METHOD FOR MEASUREMENT OF AIRBORNE SOUND INSULATION IN BUILDINGS
A description is not available for this item.
January 1, 1967
Tentative Recommended Practice for MEASUREMENT OF AIRBORNE SOUND INSULATION IN BUILDINGS
Measure of Acoustical insulation -This recommended practice establishes uniform procedures for the determination of field. Transmission loss (see 4.3, 4.4, and 4.5), that is, the airborne sound...

References

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