ASTM E 413 : 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
11-11-2014
English
01-04-2004
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 given to the single-number rating is assigned by the test method that invokes this classification.
1.3 Test methods that invoke this classification include:
1.3.1 Test Method E 90The single-number rating is called sound transmission class (STC).
1.3.2 Test Method E 336Single-number ratings are field sound transmission class (FSTC), noise isolation class (NIC), and normalized noise isolation class (NNIC).
1.3.3 Test Method E 596The single-number rating is called noise isolation class (NIC).
1.3.4 Test Method E 1414The single-number rating is called ceiling attenuation class (CAC).
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