NAWASTA, Revanto Alif; CAHYANA, Nur Heri; HERIYANTO, Heriyanto. Implementation of Mel-Frequency Cepstral Coefficient as Feature Extraction using K-Nearest Neighbor for Emotion Detection Based on Voice Intonation. Telematika: Jurnal Telematika dan Teknologi Informasi, [S. l.], v. 20, n. 1, p. 51–62, 2023. DOI: 10.31315/telematika.v20i1.9518. Disponível em: https://jurnal.upnyk.ac.id/index.php/telematika/article/view/9518. Acesso em: 5 dec. 2025.