ASTM International - ASTM E413-87(1999)

Classification for Rating Sound Insulation

historical
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Organization: ASTM International
Publication Date: 10 February 1999
Status: historical
Page Count: 4
ICS Code (Acoustics in building. Sound insulation): 91.120.20
scope:

1.1 This classification provides methods of calculating single-number acoustical ratings for laboratory and field measurements of sound transmission obtained in one-third octave bands. The method may be applied to laboratory or field measurements of the sound transmission loss of a partition in which case the single-number ratings are called sound transmission class (STC) or field sound transmission class (FSTC), respectively. The method may also be applied to laboratory and field measurements of the sound isolation between two spaces, in which case the single-number ratings are called the noise isolation class (NIC) or normalized noise isolation class (NNIC).

Document History

April 1, 2016
Classification for Rating Sound Insulation
1.1 This classification covers methods of calculating single-number acoustical ratings for laboratory and field measurements of sound attenuation obtained in one-third octave bands. 1.2 The name...
September 1, 2010
Classification for Rating Sound Insulation
These single-number ratings correlate in a general way with subjective impressions of sound transmission for speech, radio, television, and similar sources of noise in offices and buildings. This...
April 1, 2004
Classification for Rating Sound Insulation
These single-number ratings correlate in a general way with subjective impressions of sound transmission for speech, radio, television, and similar sources of noise in offices and buildings. This...
ASTM E413-87(1999)
February 10, 1999
Classification for Rating Sound Insulation
1.1 This classification provides methods of calculating single-number acoustical ratings for laboratory and field measurements of sound transmission obtained in one-third octave bands. The method may...
Standard Classification for Determination of Sound Transmission Class
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