AN AUDIO SIGNAL DATA HIDING SCHEME USING DOUBLE DENSITY DUAL TREE DISCRETE WAVELET TRANSFORM. International Journal of Food and Nutritional Sciences, [S. l.], v. 12, n. 1, p. 3355–3360, 2023. Disponível em: http://www.ijfans.org/index.php/Journal/article/view/2024. Acesso em: 26 aug. 2026.