CAO, J. K. Digital technology empowers innovation in vocal teaching research on performance skill evaluation and personalized teaching path optimization based on multimodal data. Advanced Electromagnetics, [S. l.], v. 15, n. 3, p. 7476–7484, 2026. DOI: 10.7716/aem.v15i3.3846. Disponível em: https://www.aemjournal.org/index.php/AEM/article/view/3846. Acesso em: 19 oct. 2026.