The technology was introduced in HDMI 1. Essentially, it eliminates the need to use audio cables — everything is done through the HDMI cable. The connected audio device will also have to support eARC most soundbars do not. When using a receiver, you will also need to enable HDMI control. The exact location of the setting will vary depending on your TV but it should not be hard to find.
Consider looking for the latest updates for both of your devices and run an update; that should solve the problem. No, you do not need a separate HDMI cable. Any old cable will work. While the technology was introduced in the HDMI version 1. As a matter of fact, you might already be using ARC without even knowing it. On the other hand, if you want to stream particularly high definition media with 5. But those cables are only necessary for advanced audio systems. In this article, we demystify this important connection protocol and help you get the most out of your entertainment system setup.
An HDMI cable carries both video and audio signals on a single cable and allows for a two-way connection between devices, which previous technologies could not do. The two-way connection, however, was only used to send a signal from the receiving device telling the originating device about the nature of the connected device. However, this last functionality did not work mostly because of incompatibility between different device manufacturers.
It was for this reason that ARC was implemented. This means that with a single connection, you can connect your TV to a home theatre system, a sound bar or any other type of audio device with HDMI ARC functionality and control them with the TV remote.
This gives you the ability to control power, volume and other functions of the connected device with a single remote control device. This powerful feature will allow you to control a myriad of devices that connect to the TV, such as game consoles and set-top boxes. This means that a TV can send signals to a Blu-ray player then down to another device and vice versa through the same connection.
This is extremely efficient for people who want to use a single device such as the TV set as the centre of their home entertainment system.
This is usually indicated by a label on the set itself. You will generally find this feature in the Settings menu, under Audio. While many TVs auto-detect devices with ARC capability, others require you to turn on the feature manually.
Finally, just plug in your stuff. This is dead simple; any HDMI cable will work. The only thing to keep in mind is that the ARC-enabled port needs to be connected to your external audio device. It can handle both the TV's regular two-channel audio and 5. This is especially irritating because downstream audio over HDMI can carry the signal with no problem; it's purely a limitation of the ARC spec. Even more irritating, some TVs actually downgrade the audio output over ARC, converting everything to two-channel sound even if it originated as 5.
It's not common, but depending on your make and model of TV, you might actually wind up with lower sound quality over ARC. In these instances, connecting an extra audio cable or two may be worth the trouble.
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