These HDMI features are everywhere—but what do they do?
What Is The Difference Between HDMI ARC and eARC? How To Make The Most It
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What is eARC and how is it different from ARC?
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?
ARC and eARC: The Audio Feature that Enhances Your Home Theater Experience
Is eARC the same as HDMI 2.1? –
HDMI ARC/eARC: the one-cable TV audio tech fully explained
HDMI ARC and HDMI eARC: everything you need to know
HDMI (eARC & ARC) to HDMI, Optical Toslink SPDIF, Coaxial L/R Analog Audio Converter With 3.5mm Jack Support Headphone/Speaker Outputs - HDMI ARC to Analog Audio Converter
HDMI ARC and eARC: Audio Return Channel for beginners - CNET