Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
NORM herausgegeben am 1.12.2007
Designation standards: ASTM E1050-07
Note: UNGÜLTIG
Publication date standards: 1.12.2007
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Kategorie: Technische Normen ASTM
Keywords:
absorption, frequency response function, impedance, impedance ratio, impedance tube, normal incidence sound absorption coefficient, specific normal acoustic impedance, transfer function, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)