Standard Test Method for Sound Absorption and Sound Absorption Coefficients by the Reverberation Room Method
NORMA vydaná dňa 1.2.2022
Designation standards: ASTM C423-22
Note: NEPLATNÁ
Publication date standards: 1.2.2022
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)