MichaelSchwob.com: What is Sound Insulation? An Acoustical Experience

Off the coast of Pusan, South Korea: An F/A-18...
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Sound insulation, also called transmission loss (TL), is the property of a sound barrier (wall, partition, floor-ceiling assembly, etc.) that allows it to block sound. Whoa?I can see you ready to click away. Please stay with me, it will be fun and you can use it to impress your friends. We will approach this two ways:

One, I will show you how to experience sound insulation. Architectural acoustics is ultimately about our experience of sound in buildings. I know you have already experienced sound insulation thousands of times. After you read this, you will be able to give that experience a name.