HUDA, Thorikul; HSIEH, Min-Fu; MUJAAHID, Faaris; DEWANTO, Muhammad Rhido. Effectiveness of the Number of Extracted Features from MFCC on Deep Learning for Fault Classification of Industrial Machinery Based on Acoustic Signal: 283 - 293. SPECTA Journal of Technology, [S. l.], v. 10, n. 2, 2026. DOI: 10.35718/specta.v10i2.1344. Disponível em: https://journal.itk.ac.id/index.php/sjt/article/view/1344. Acesso em: 3 sep. 2026.