Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System
NORMA vydána dne 15.1.2008
Designation standards: ASTM E1050-08
Note: NEPLATNÁ
Publication date standards: 15.1.2008
The number of pages: 11
Approximate weight : 33 g (0.07 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, Acoustical tests, Digital sound transmission, Impedance, Microphones, Signal/noise determination, 0Sound transmission--building materials/applications, Two-microphone method, ICS Number Code 091.120.20