The number of HDMI ports varies by LG TV model. Which HDMI port is ARC on a Samsung TV? On a Samsung TV, you'll see an HDMI port clearly labeled ARC on the back of the TV or One Connect box.

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 system to communicate signals in ...

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 ...