HDMI ARC and eARC provide a two-way flow of sound between a TV and a soundbar or other gear. Here's what you need to know. ... (HDMI-CEC), which lets you control external devices ...

HDMI ARC and eARC are useful technologies for streamlining your TV and A/V system's cabling, while giving you the best audio possible. Here's how.

HDMI ARC removes the need for an optical cable and allows you to send audio ‘downstream’ from a compatible HDMI socket on your TV to a compatible HDMI ARC socket on a soundbar or AV receiver. ... As ...

An audio return channel (ARC) allows for sound to be transferred between a smart TV and an audio device via an HDMI cable. Most smart TVs have an ARC port, as the technology isn't particularly new ...

Rear HDMI ARC/eARC outputs on Denon AVR-X3700H A/V Receiver HDMI ARC/eARC and CEC. HDMI ARC/eARC is supposed to work in conjunction with HDMI-CEC (Consumer Electronics Control). This provides the ...

It’s an updated version of HDMI ARC, introduced with the HDMI 2.1 specification in 2017. eARC offers several improvements over the original ARC such as the already mentioned increased bandwidth ...

HDMI-CEC technology allows various remote controls to operate multiple connected devices with ease. CEC simplifies device control but may have drawbacks, like turning on devices unintentionally.

For those of you using HDMI ARC, you might want to first go make sure that HDMI CEC is turned on, if that’s an option. Some systems won’t turn ARC on until you turn CEC on.

That changed in 2017 when HDMI 2.1 was launched with Enhanced ARC, ... especially since the intertwined HDMI-CEC features let you control the receiver or soundbar volume with your TV remote.

HDMI’s ARC, or Audio Return Channel, can make your gear easier to use. Here’s how. ... HDMI CEC control . Another HDMI feature is called CEC, or Consumer Electronics Control.

They all look identical, and using an older cable when you want to use HDMI 2.1 features is an easy way to obtain a lacklustre experience. Using eARC also automates the CEC process, so you won’t have ...