That not only destroyed the simplicity of a single-cable connection, but it also meant you needed to press some additional buttons to get things working every time you switched to using your TV as the sound source. Before the advent of HDMI ARC, if you wanted to hear these sources on your receiver’s speakers instead of the ones built into your TV, you needed to run a second cable (typically an optical cable) from your TV back to your receiver. Some TVs have their own streaming apps or TV tuners. So far, so good.īut not every source of video you might want to watch comes from an external device.

If you own an AV receiver, and you plug in your Blu-ray players, game consoles, or streaming device into it, the receiver will play the audio portion through your home theater speakers and send the video portion along to your TV.

Fitbit Versa 3Īs the name suggests, Audio Return Channel - which gives us the “ARC” in HDMI ARC/eARC - adds the ability for a TV to send audio backward along an HDMI cable to its source device.

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