HDMI stands for High-Definition Multimedia Interface, it is a digital interface that is commonly used to transfer high-definition audio and video signals between devices such as a cable box, Blu-ray player, gaming console, and HDTV. HDMI was designed to replace the analog video standards like component video, S-video and VGA. With HDMI, you can enjoy high-quality video and audio on your TV or monitor without the need for separate cables and connections.