Frith Sound Transmission Loss Analysis Summary: The Frith sound transmission loss analysis was for a state-owned government building that required sound proof construction. It was imperative that the construction assembly prevented any noise intrusion between several critical rooms, including a courtroom facility. Since a commissioning test verifies whether the STC (Sound Transmission Class) /NIC (Noise Isolation Class) ratings are acceptable, Acoustical Solutions was approached to conduct this evaluation. Service Provided: Acoustical Solutions is able to provide a full suite of tests. The ASTM E336-16 test is a standard for in-field sound transmission loss testing. This includes the companion ASTM E2235 reverberation time measurement standard, which characterizes the room’s response. Thes

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