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What is Sound Transmission Loss Testing Methods about?

This document summarizes a study that compares measurements of sound transmission loss (STL) using traditional two-room methods and a modified four microphone impedance tube method. Three two-room STL measurement techniques are described involving measuring sound intensity or pressure levels in a source room and receiving room separated by the material under test. A modified impedance tube method using four microphones is also described, which measures the transmission loss matrix of a material from which S

Author

Anonymous LKUkoWqjo

Language

EN