The audio-visual world loves an acronym, so if you've heard about HDMI ARC or eARC and have been left scratching your head as to what these mean, then worry no more as we explain through these ...

HDMI is a proprietary technology, first developed just over 22 years ago, in 2002, which you'll recognise as those cables which you trail from your audio-visual kit, such as gaming consoles and ...