To help you decide which generation of ARC technology is right for you, this is HDMI eARC vs. ARC, the definitive breakdown.
What's HDMI ARC? - Coolblue - anything for a smile
What Does HDMI ARC Mean? HDMI ARC and eARC: What is the Difference?
What is HDMI ARC, And Do I Need It? – iVANKY
HDMI eARC and HDMI 2.1 Demystified: Everything You Might Want to Know
WTF is HDMI ARC/eARC?
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
HDMI ARC vs. eARC
So I'm a noob with all of this. Would I connect my PS5 to either HDMI 4 or 3? Why is eARC/ARC only on one also and isn't that merely for speakers?
Will an HDMI arc to HDMI output on a receiver work? - Quora
What is the difference between HDMI and HDMI ARC? - Quora
HDMI 2.1b Specification Overview
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
Difference between HDMI ARC and eARC
HDMI EARC Audio Extractor HDMI EARC Into HDMI Audio Coaxial Toslink Audio Extractor 4K Earc TV