How do HDMI cables work?

Introduction:

You’ve probably heard of HDMI cables, but do you know what they are and how they work? HDMI (High-Definition Multimedia Interface) cables are used to transmit digital video and audio signals between devices. They provide a high-quality connection that can transmit signals up to 10.2Gbps. In this article, we’ll explain what HDMI is and how it works, and we’ll also discuss the different types of HDMI cables.

What is HDMI and what came before?