In the home theater space most people would tell you the age of optical audio ... by the all-in-one capabilities of HDMI on new TVs and audio receivers. But of course, that doesn’t mean all ...

In terms of how that signal gets from your TV to the audio peripheral, there are two options — HDMI ARC (or ARC for short) and digital optical. Developed by Toshiba in 1983, the digital optical ...

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