HASSAN, K. M.; HAMID, M. E.; NAKAI, T. An Improvement in Representation of Audio Signal in Time-Frequency Plane using EMD-2TEMD Based Approach. Rajshahi University Journal of Science and Engineering, [S. l.], v. 44, p. 141–150, 2016. DOI: 10.3329/rujse.v44i0.30399. Disponível em: https://banglajol.info/index.php/RUJSE/article/view/30399. Acesso em: 25 jun. 2022.