Wei YZ. 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. AEM [Internet]. 2026 Aug. 13 [cited 2026 Aug. 18];15(3):3394-403. Available from: https://www.aemjournal.org/index.php/AEM/article/view/3406