隔声指数 (n)

Schalldämmmaß (n)

sound insulation (n)

The effectiveness of the sound insulation depends on the excitation frequency.

Sound insulation is designed to impede or prevent the propagation of airborne and solid-borne sound by reflecting it as it crosses between two media.

sound reduction index (n)

sound transmission loss (n)

High sound transmission losses R indicate low sound transmission and good insulating performance.