eARC is a more advanced version of ARC ... newer Samsung TVs are looking to replace all HDMI cables with a single cord, or at least, a single cord that goes into the back of the TV.
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 ...