Yes,noise can be effectively reduced or stopped using metal noise barriers.These barriers are commonly used along highways,railways,and industrial areas to block or deflect sound waves,reducing noise pollution.

　　How Metal Noise Barriers Work:

　　Sound Reflection–Metal barriers(often made of aluminum or steel)reflect sound waves,preventing them from passing through.

　　Sound Absorption–Some barriers have perforated or composite designs with sound-absorbing materials(like mineral wool or foam)to dampen noise.

　　Mass&Density–Thick,dense metal panels block sound waves better than lightweight materials.

　　Height&Placement–Taller barriers block noise more effectively by creating a"shadow zone"where sound levels are significantly reduced.