HDMI ARC and HDMI eARC explained: The evolution of the Audio

The Enhanced Audio Return channel delivers higher-quality movie soundtracks and music, too—and you won't need a new cable. What's not to like?

How I solved HDMI ARC problem between a set-top box, TV and Sonos arc using scissors., by Boni Gopalan

What You Need to Know About HDMI ARC & eARC

HDMI ARC Vs Optical - Which Is The Best Connection?

HDMI ARC vs Optical: Which Is Better For You? - History-Computer

Can someone explain to me how on earth HDMI ARC is supposed to work? - Streaming Audio - Naim Audio - Community

HDMI ARC vs. eARC

What Is HDMI? Various HDMI Versions Explained, Compared

What is HDMI eARC? How it is different from HDMI ARC

HDMI® 2.1 eARC Compliance Testing – Channel Architecture & Encoding