ASTM C423-07a

Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method (Includes all amendments And changes 12/31/2010).

NORMA vydaná dňa 1.6.2007

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The information about the standard:

Designation standards: ASTM C423-07a
Note: NEPLATNÁ
Publication date standards: 1.6.2007
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Kategória: Technické normy ASTM

Annotation of standard text ASTM C423-07a :

Keywords:
acoustical, acoustics, decay rate, noise, noise reduction coefficient, reverberation room, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)