Wei, Y. Z. “Optimization of Vocal Teaching Empowered by AI A Comprehensive Study on Quantitative Evaluation and Personalized Guidance System for Singing Skills Based on Voiceprint Feature Extraction”. Advanced Electromagnetics 15, no. 3 (August 13, 2026): 3394–3403. Accessed August 18, 2026. https://www.aemjournal.org/index.php/AEM/article/view/3406.