Employees of dBwave.i have extensive experience in this area where they began to act in 2005.
In,pt 2007 Portugal implemented legislation that made it mandatory to carry out noise maps for cities, roads, railways and airports. In this phase the dBwave employees developed to date labor-intensive preparation of noise maps counting in its portfolio over:
100 municipalities in Portugal and Spain
10.000 Km2 calculated
3 million people covered