With the ARC and eARC features, a single HDMI connection on the TV can be used both as the HDMI input and the audio output to the soundbar or a surround sound
How To Use HDMI ARC Port on LG Smart TVs
HDMI ARC/eARC: the one-cable TV audio tech fully explained
Solved] Latest update broke HDMI ARC audio
OREI HDMI (eARC & ARC) to RCA L/R Analog Audio Converter With 3.5mm Jack Support Headphone/Speaker Outputs - HDMI ARC to Analog Audio Converter. : Industrial & Scientific
Will an HDMI arc to HDMI output on a receiver work? - Quora
WTF is HDMI ARC/eARC?
Why Isn't My KVM Switch Working? Let's Troubleshoot!
HDMI ARC Problems Solved! Connect a TV to an Audio System for Non -Techies (part 2 of 4).
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
Sony X90j issue with arc soundbar now homepod earc : r/bravia
HDMI ARC and eARC: Audio Return Channel for beginners - CNET
HDMI ARC Problems Solved! Connect a TV to an Audio System for Non -Techies (part 2 of 4).