
Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones, and a Digital Frequency Analysis System
NORMA vydána dne 10.6.1998
Označení normy: ASTM E1050-98
Poznámka: NEPLATNÁ
Datum vydání normy: 10.6.1998
Počet stran: 11
Přibližná hmotnost: 33 g (0.07 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
Acoustical materials/tests, Digital analysis-sound transmission, Microphones, Signal/noise determination, Sound transmission, Two-microphone method, impedance/absorption of acoustical materials, using a tube/two, microphones/digital frequency analysis system, test,, Impedance, acoustical materials, using a tube/two microphones/digital frequency, analysis system, test, ICS Number Code 91.120.20 (Acoustics in buildings. Sound insulation)