After reading this article, some of the products sound like good options for noise control, but there are other options that help the resilient channels pass with STC levels in the 50’s. Developers
This article discusses the importance of reducing unwanted noise because noise is not only an annoyance, but also a health factor.
In noise control assembly tests are the norm. Specifications reference them; data sheets list IIC and STC numbers. Performance runs the gambit from stellar when presented by a manufacturer trying