SENTHIL DEVI K. A; DR. B. SRINIVASAN. Spoken Keyword Spotting System Design Using Various Wavelet Transformation Techniques with BPNN Classifier. International Journal of Computer Engineering in Research Trends, [S. l.], v. 4, n. 3, p. 111–118, 2017. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/383. Acesso em: 13 may. 2026.