De-Noising Sine and Real Time Audio Signal Using DiscreteWavelet Transform DWT Method. Journal of Cognitive Computing and Cybernetic Innovations, [S. l.], v. 1, n. 2, p. 01–06, 2025. DOI: 10.21276/jccci.2025.v1.i2.1. Disponível em: https://jccci.org/index.php/jccci/article/view/16. Acesso em: 5 nov. 2025.