Development and Validation of a Masking System for Mitigation of Low-Frequency Audible Noise from Electrical Substations. - Regazzi, Rogerio; Cunha, Brunno; de Miranda, Hugo Villela; Acosta, Juan José Gómez; Barbosa, Carlos Roberto Hall; Frota, Mauricio Nogueira; Souza, João Vitor; Gomes, Carlos Augusto Machado (Applied Sciences (2076-3417), 2021)