PAWEŁCZYK, Marek. A two-stage Wiener filter based multi-channel feedback virtual microphone acoustic noise reducing system. Archives of Acoustics, [S. l.], v. 32, n. 4, p. 917–922, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/691. Acesso em: 13 jan. 2025.