Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
NORMA vydána dne 1.4.2012
Designation standards: ASTM E1050-12
Note: NEPLATNÁ
Publication date standards: 1.4.2012
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Kategorie: Technické normy 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 091.120.20