Building Systems Design2D
Electrical Systems for Buildings - Theory & Concepts - Sound Transmission
Fundamentals of building electrical systems, power distribution, 3-phase systems, power factor, and lighting design.
Open the complete lessonSound Transmission Class (STC) Simulator
Estimated STC
33
Loud speech audible but not intelligible
Higher STC means better sound isolation. Mass Law states doubling mass adds ~6 STC. Decoupling is highly effective for lightweight walls.