HDMI ARC is a feature within the HDMI 1.4 spec that allows your TV to send signals to your audio devices. It opens up bidirectionality on the port and your TV and lets you use one cable to connect ...
Today, we're taking a look at two innovations in the HDMI cable connection standard: HDMI ARC and HDMI eARC. ARC stands for Audio Return Channel, and eARC stands for Enhanced Audio Return Channel.
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 ...