Enhancing Environmental Sound Classification with EcoOptiNet: A CNN-based Approach for Low-Frequency Signals. Journal of Scientific & Industrial Research (JSIR), [S. l.], v. 84, n. 10, p. 1107–1122, 2025. DOI: 10.56042/jsir.v84i10.17030. Disponível em: https://or.niscpr.res.in/index.php/JSIR/article/view/17030. Acesso em: 12 may. 2026.