XITING YANG. Optimization Effect of Nonlinear Denoising Algorithm of Audio Signal in Piano Performance on Aesthetic Performance of Piano Timbre. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 18, p. 11, 2026. DOI: 10.70917/ijcisim-2026-0140. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/1643. Acesso em: 29 apr. 2026.