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 ...
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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