Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
NORMA vydaná dňa 15.1.2017
Designation standards: ASTM C423-17
Note: NEPLATNÁ
Publication date standards: 15.1.2017
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
Keywords:
acoustical, acoustics, decay rate, noise, noise reduction coefficient, reverberation room,, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)