The ear is more responsive to increased frequencies, which thus appear louder. The scale is logarithmic and a rise of 10dB approximates to a doubling of loudness While a improve of 3dB is nearly visible. Every insulation material has strengths and weaknesses, and using the Improper just one for that https://deck-and-porch-lighting48901.bloggadores.com/33872929/the-5-second-trick-for-window-insulation