Wardani, K.B.T. et al. 2026. Analisis Komparatif Spektrum Frekuensi Karakteristik Sinyal Audio Air Menggunakan Fourier dan Spektrogram. RIGGS: Journal of Artificial Intelligence and Digital Business. 5, 2 (Jun. 2026), 10055–10061. DOI:https://doi.org/10.31004/riggs.v5i2.10219.