cables for projectors, while others use an audio/video receiver (AVR) or media box as a hub, connecting a single HDMI cable to the TV instead of a batch of unaesthetic cables, as outlined in Figure 1.

HDMI stands for High-Definition Multimedia Interface, and it’s a standard for transmitting high-quality audio and video signals. It was developed by Hitachi, Matsushita, and Sony to replace analog ...