If you're using eARC to connect one of the best soundbars from your TV then that'll occupy the second HDMI 2.1 port type. Got more consoles and whatnot which support 120Hz? You might be out of ...

Here's a breakdown of what makes one modern A/V port unique from the next. Like its peers, HDMI is an entirely digital port, capable of sending both audio and video through its pipeline.

However, most TVs only feature one solitary HDMI port marked with 'ARC', so you'll need to ensure you use that port to connect devices with an HDMI cable, otherwise it won't work properly.

SUNNYVALE, Calif., March 16, 2015 - Silicon Image, a leading provider of multimedia connectivity solutions and services and a Lattice Semiconductor company, today announced the world’s first superMHL™ ...