Bispo, Bruno, and Renata Borges. “A Cepstral Method to Estimate the Stable Optimal Solution for Feedforward Occlusion Cancellation in Hearing Aids”. Journal of Communication and Information Systems 35, no. 1 (May 23, 2020): 113-123. Accessed July 12, 2020. https://jcis.sbrt.org.br/jcis/article/view/705.