2023-07-29 06:02:36
What is the ARC function of an HDMI port and what is it used for?
Câble HDMI – Source : spm
Are you an enthusiast or have you already experienced the home cinema experience? If so, then you know how tedious connections and tangled cables can be. Fortunately, the industry has found a solution to simplify things: the HDMI Audio Return Channel (ARC). ARC connects your TV to your audio system using a single HDMI cable, thus avoiding the need for additional cables such as fiber optic cables with EIAJ/TosLink connectors. But that’s not all, this technology also offers superior sound quality, surpassing that of RCA and component video connectors, and allows you to centrally manage your audio and video devices from your TV.
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Nothing’s easier ! To activate the ARC function and use it, you will only need check the compatibility of the HDMI ports and outputs of your devices with this technology, and connect them using a high speed HDMI cable. And that will be it! Manufacturers indicate the existence of this function in the technical specifications of their products and even use symbols affixed to the packaging or the television to facilitate its identification. However, if you can’t find this information in the user manual, it’s still possible to look it up online, including visiting the support pages or looking up your TV’s model number.
To take advantage of the ARC feature, follow these simple steps:
- Take a high-speed (good quality) HDMI cable and plug one end into the “TV Out ARC” port on your receiver.
- On the HDMI ARC input of your TV, connect the other end.
- Make sure the “HDMI Control” setting is enabled on your receiver and TV.
For information :
Please note that if you have any problems or questions regarding this procedure, consult the manual that came with your TV for more detailed assistance.
Let’s recap the different features of the ARC
L’Audio Return Channel (ARC) is a convenient feature for easily connecting an audio system to your TV’s HDMI input terminal. Here are its advantages:
- TV sound is routed to the sound system via a high-speed HDMI cable plugged into the TV HDMI (ARC) IN port on the TV and the HDMI (ARC) OUT port on the A/V receiver or soundbar.
- Movies and other content can be watched and listened to from the audio system while being displayed on the TV screen.
- Control functions are available, such as using one remote control for multiple devices.
Are all HDMI cables ARC compatible?
TV cables – Source: spm
If you’re the proud owner of a TV with an HDMI ARC input terminal and an ARC-enabled soundbar or receiver, you may have ever wondered if all HDMI cables are compatible with this feature, or if there are cables specifically designed for this purpose. The answer, according to tech media Clubic, buying an “HDMI ARC” certified cable is not really necessary since any HMDI cable can do the job, provided it is of superior quality and compatible with the connectors HDMI from your devices. So, no need to spend extra money on specific cables, if you have older models with Ethernet, standard or high speed. However, if you are an avid gamer, looking for the latest gaming features offered by HDMI 2.1, such as variable refresh rate (VRR) and 4K resolution at 120 Hzyou will need to invest in a high-speed cable.
With this valuable feature, you can simplify your home AV setup while improving sound quality. Users can enjoy a more immersive viewing or gaming experience. And if you’re lucky enough to own a latest generation smart TV, which embeds eARC technology, you should seriously consider using it.
FAQ
What devices should I connect to a TV with an HDMI ARC socket?
This feature is compatible with most TVs, receivers and soundbars, making it convenient to use. Receiver, Blu-ray player, game console… the HDMI ARC function is compatible with all kinds of audiovisual devices. And since this connection is made via the television itself, it facilitates the management of all your devices, for a great user experience, whether you are a movie buff, a video game or music enthusiast. But did you know that there is an evolution of the ARC functionality called eARC?
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What is the difference between HDMI 2.1, HDMI ARC or eARC?
Playing a video game – Source: spm
eARC (Enhanced Audio Return Channel) is an enhanced version of ARC, which uses the increased bandwidth of HDMI 2.1 to support a wider range of audio formats (compressed and uncompressed 5.1 audio, uncompressed 7.1 audio , Dolby Atmos, DTS:X, etc.) and expanded features such as automatic CPU lag correction and lip sync. Most smart TVs have had ARC compatibility since 2009, while eARC compatibility is much newer. And although the latter offers more audio features than the ARC, both technologies provide excellent sound quality, and you will be satisfied with one or the other. If you’re an audiophile, you’ll probably be happier with eARC compatibility, but for most people, ARC will be fine for their needs.
What is HDMI CEC?
Regarding CEC (Consumer Electronics Control), it is a feature integrated into HDMI technology that automatically controls CEC-compatible devices connected via HDMI, without you needing to intervene manually. In other words, it is a communication protocol integrated into the HDMI interface, designed to offer the user simplified control of his audio/video system by reducing the number of remote controls required and allowing automated command sequences. Thanks to the CEC function, your multimedia experience becomes more fluid, while allowing you to easily manage your connected devices from a single remote control.
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