Higher-quality movie soundtracks and music, too—and you won’t need a new cable. What’s not to like?

ARC (the acronym stands for Audio Return Channel) is the digital audio conduit that TVs use to send their audio—whether it be from an onboard over-the-air tuner or an onboard media streamer that connects to a movie service such as Netflix—over an HDMI cable to your soundbar or A/V receiver. So it should come as no surprise that the acronym eARC stands for enhanced Audio Return Channel
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