Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System
German title
Bestimmung des Scheinwiderstandes und des Schallschluckvermögens von Akustikstoffen mit dem Welligkeitsmesser, mit zwei Mikrophonen und mit dem digitalen Frequenzanalysator
Publication date
2024
Original language
English
Publication date
2024
Original language
English
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