BILQIS, Vara Vania; SEPTIANI, Alifah Widya; ZILDJIAN, Firliana Nur; RATNASARI, Fifin Dewi. Analisis Perbedaan Spektrum Frekuensi Sinyal Suara Vokal Manusia Menggunakan Fast Fourier Transform (FFT) Berbasis Python. RIGGS: Journal of Artificial Intelligence and Digital Business, [S. l.], v. 5, n. 2, p. 3548–3558, 2026. DOI: 10.31004/riggs.v5i2.8994. Disponível em: https://journal.ilmudata.co.id/index.php/RIGGS/article/view/8994. Acesso em: 8 nov. 2026.