Particular analysis of sound signals on device Yamaha PSR E463. Journal Akustika, [S. l.], v. 50, n. 50, p. 3–14, 2026. DOI: 10.36336/akustika2026503. Disponível em: https://www.journalakustika.com/index.php/akustika/article/view/247. Acesso em: 31 jul. 2026.