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HDMI ARC and HDMI eARC explained: The evolution of the Audio Return Channel
What is HDMI ARC (Audio Return Channel) and how does it work?
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HDMI ARC and eARC: Audio Return Channel for beginners - CNET
Connection 2 : TV equipped with an HDMI connector and incompatible with the ARC (Audio Return Channel) / eARC (Enhanced Audio Return Channel) AVR-S760H