What Hi-Fi? on MSN
HDMI ARC and HDMI eARC: everything you need to know
In briefHDMI ARC (Audio Return Channel) and eARC remove the need for a separate audio cable when sending sound from a TV to a compatible soundbar or AV receiver. For more, see what is HDMI ARC?HDMI ...
CEC allows you to operate multiple devices via one remote. ARC and eARC technology transfer audio between connected devices. ARC and CEC ensure TV audio plays through connected speakers properly.
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