Han, Doohee, and Kyujin Lee. “Video Transmission Technique through Dual Transmission of Visible Light Non-Audible Sound Communication in VLC System”. International Journal of Engineering and Technology 7, no. 3.34 (September 1, 2018): 571–575. Accessed August 17, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/19384.