HDMI has become the standard for transmitting high-definition video and audio from a source device to a display. As tech ...

The best modern TVs come with a few HDMI 2.1 and 2.0 ports to help you connect all your devices together, but if that's not enough, or you want greater control without reaching behind the TV ...

HDMI has evolved over the years, with HDMI 1.4 bringing ARC, or Audio Return Channel, into the mix back in 2009. It's remained in every specification ever since then. ARC enables your TV or audio ...

The tricky part is making sure you're not needlessly paying for features you don't need, as while HDMI 2.1 is vital when it comes to new-gen systems, some elements are effectively snake oil.

In 2017, HDMI 2.1 introduced eARC, which added support for high-end surround sound such as Dolby Atmos and DTS:X. eARC also supports variable refresh rate (VRR), quick media switching (QMS ...