What does eARC HDMI mean and how does it work in soundbars?

    1. HDMI stands for High Definition Multimedia Interface.
    2. An HDMI cable is used to transmit audio and video simultaneously from a source to a soundbar.
    3. ARC stands for Audio Return Channel while eARC stands for enhanced Audio Return Channel.
    4. eRAC is a specification that separates audio HDMI cables from ordinary HDMI cables that carry only video signals.
    5. An ARC or eRAC HDMI allows you to transmit a high-resolution audio signal through an HDMI cable and reproduce the best sound without interference.



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