127945 ⎘
Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads; Cellular, e.g. as wall facing with damping material
SOUND INSULATION DEVICE WITH VIBROACOUSTIC METAMATERIALS
#2Airborne acoustic absorber
#3Methods for forming noise absorbing barrier walls and related forms
#4ACOUSTIC SHIELDING DEVICE FOR DAMPING OF DISTURBING TRAFFIC NOISE
#5SOUND BARRIER PANEL
#6Composite sound barrier panel
#7Sound absorber and sound absorbing device
#8Acoustic construction element