HDMI ARC (Audio Return Channel) simplifies connecting audio devices to TVs by allowing bidirectional audio transfer with a single cable.
How to Connect a Sound Bar to a TV with HDMI® ARC
What is eARC and how does it compare to HDMI ARC? - SoundGuys
HDMI ARC Audio Extractor 192KHz, USB to Optical Spdif Toslink & 3.5mm Audio Adapter Converter : Electronics
HDMI ARC is the Coolest TV Feature You're Not Using (Here's How)
What Does HDMI ARC Mean, What Is HDMI ARC and eARC
HDMI ARC Output as Audio Input?
HDMI ARC vs Optical: What are they and Which is best? - PC Guide
What is HDMI ARC and HDMI eARC, and how to use them on your TV
What Is ARC?
What is HDMI ARC, And Do I Need It? – iVANKY
HDMI ARC and eARC: Audio Return Channel for beginners - CNET