BS EN 16272-1. Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance . Part 1. Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions
Railway applications. Infrastructure. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance-Intrinsic characteristics. Sound absorption under diffuse sound field conditions
Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance-Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions
BS EN 16272-1. Railway applications. Track. Noise barriers and related devices acting on airborne sound propagation. Test method for determining the acoustic performance . Part 1. Intrinsic characteristics. Sound absorption in the laboratory under diffuse sound field conditions