ASTM C423-09

Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method

NORMA vydaná dňa 1.10.2009

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The information about the standard:

Designation standards: ASTM C423-09
Note: NEPLATNÁ
Publication date standards: 1.10.2009
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 C423-09 :

Keywords:
acoustical, acoustics, decay rate, noise, noise reduction coefficient, reverberation room, Acoustical tests, Decay rates, Noise reduction coefficient, Reverberation room method, Sound absorbing/insulating materials/applications, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)