Arezes 2002, Bistafa 2011, Frontezak & Wargocki 2011) that noise is a risk agent, harmful to health and the cause of many illnesses.

The work of the police officer is guided by exposure to noise, since it is present in the shooting of a firearm, radio communicator in city traffic, sirens of vehicles in urban noise, among others (Heupa, Gonçalves & Coifman 2011, Guida et al. 2010). These variables are responsible for signs of attention deficit, lack of concentration and irritability in decision-making, factors which contribute to the increase in the number of accidents (Rosa, 2012).