Zhao, Ya, Rui Xu, Xinchao Wang, Peng Hou, Haihong Tang, and Mingli Song. “Hearing Lips: Improving Lip Reading by Distilling Speech Recognizers”. Proceedings of the AAAI Conference on Artificial Intelligence 34, no. 04 (April 3, 2020): 6917-6924. Accessed April 14, 2021. https://ojs.aaai.org/index.php/AAAI/article/view/6174.