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What Is HDMI-CEC 2021

Currently, HDMI interfaces can be seen everywhere, including laptops, projectors, TVs, game consoles, etc. If you don’t know, the reason for its popularity is the maximum 48 Gbit/s bit rate supported by HDMI. In addition, it also brings features such as HDMI-CEC (abbreviation for HDMI Consumer Electronics Control), which should be able to achieve interoperability between HDMI-connected devices. So, what is HDMI-CEC? What is it for consumers? Well, please follow the instructions below and learn more about HDMI-CEC.

Here, we mentioned the HDMI-CEC part in this article. From its working mechanism to device compatibility, you can find all the information about HDMI-CEC. For easy navigation, click on the link below.

What is HDMI-CEC?

Before I start talking about technology, let me give a simple example to illustrate HDMI-CEC. Today’s TVs (smart and non-smart TVs) have multiple HDMI ports for connecting various devices, such as set-top boxes, game consoles, media players, home theaters, etc. All of these devices have their own remote controls for turning on/off the system and browsing content and menus.

This means that for multiple devices connected to the TV, you have multiple remotes that make the situation more confusing and make the experience slow and frustrating. What if you want to switch to a game while watching a movie? First, you need to turn off the set-top box so that no HDMI input is active, and then use a dedicated game controller to turn on the console to play games.

hdmi-cec

Similarly, when playing games, what if you want to play content through the Chromecast connected to the TV through the HDMI port? You need to turn off the console to turn off the active HDMI input before you can stream content from your smartphone.

On modern TVs, the reason why the current HDMI input can be released without turning off the set-top box or game console is HDMI-CEC. You can simply change the HDMI input through the TV remote control, and then move to any device you want in a few seconds. All of this is possible because with HDMI-CEC, devices can now communicate with each other and perform certain operations that require early manual intervention.

 

This is what HDMI-CEC is all about communicating between devices connected through the HDMI port . The HDMI Association hopes to introduce a technology that enables HDMI-connected devices to communicate with each other and respond to commands from a single point without having to use a separate remote control. Therefore, on HDMI-CEC compatible devices, you can use the TV remote control to browse all connected devices, bet on set-top boxes, game consoles or media players.

For example, for HDMI-CEC compatible devices, you only need to press the power button on the TV remote control to turn on the TV and set-top box . There is no need to open the ladder box separately. Similarly, you can use Chromecast to stream any content on the TV by overriding the current HDMI input, and this requires manual intervention in advance. All these advantages are due to the HDMI-CEC function of many TVs.

HDMI-CEC compatibility

HDMI-CEC is not only a software function, but also requires hardware implementation. The good news is that the HDMI Alliance introduced CEC as early as 2006 and mandated hardware implementation (wiring) on HDMI ports . However, the implementation of the software is at the discretion of the TV manufacturer. Unfortunately, it was not until 2015 that many TV manufacturers implemented this function.

You can say that every TV has hardware support for the HDMI-CEC function, but it has not been enabled by software . Even Google provided support for HDMI-CEC on Android TV in 2017. It should be noted that TVs with Android TV OS (such as Mi TV in India) usually do not support the advanced HDMI-CEC directive.

You can switch between different HDMI inputs, but you cannot perform “one-key playback” to turn on multiple devices at once and use one remote control to control all peripheral devices . In other words, the Mi TV Stick launched in 2020 comes with HDMI-CEC support. The same is true for Sony’s Android TV and Nvidia’s Shield TV.

TVs and devices that support HDMI-CEC

Although HDMI-CEC is a technical term created by the HDMI Alliance, TV manufacturers have proprietary trademarks for this technology . You can find all TVs and devices that support HDMI-CEC from the list below.

Vizio: CEC
Sony: BRAVIA Link, BRAVIA Sync, HDMI control
LG: SimpLink
Samsung: Anynet +
Panasonic: VIERA Link, HDAVI control, EZ-Sync
Roku: One-click playback
Sharp: Aquos link
Toshiba: CE-Link, Regza Link
AOC: electronic link
Philips: EasyLink
Emerson: Fun-Link
Hitachi: HDMI-CEC
Badge: INlink
Pioneer: Black Link
Mitsubishi: NetCommand for HDMI, Realink for HDMI
Onkyo: RIHD (remote interaction via HDMI)
Runco: RuncoLink
Thomson: T-Link
Fire TV Stick
Chromecast
PS4 and PS5
Xbox One X
Mi TV Stick, Mi TV Box

Frequently asked questions

Q: What does HDMI CEC do?

HDMI CEC facilitates communication between multiple HDMI ports and allows commands to be passed to other devices. You can basically perform privileged operations on another device with just the TV remote control.

Q: How to use HDMI CEC?

Although the basic commands of HDMI CEC are enabled by default, to use advanced commands (such as audio pass-through, one-key recording, etc.), you need to enable HDMI CEC under the “Settings” page of the TV. You can find the brand name of HDMI CEC based on your TV from the list above, and then look for the term on the settings page.

Q: Are HDMI CEC and HDMI ARC the same?

Although HDMI CEC can perform various operations, including power on/off commands, video/audio pass-through, etc., HDMI ARC only handles audio pass-through.

Q: Does HDMI CEC cause input lag?

Contrary to popular misconceptions, HDMI CEC does not cause input delay during games because it has independent channels to transmit electrical signals.

Q: Do all TVs have HDMI CEC?

In terms of hardware, it can be said that all TVs launched in the past decade have HDMI CEC support (assuming it has an HDMI port). However, TV manufacturers have not implemented HDMI CEC in software for many years, so not all TVs have HDMI CEC support.

Q: Does the non-smart TV support HDMI CEC?

Yes, non-smart TVs can support HDMI-CEC well, because TVs with HDMI ports must comply with CEC in terms of hardware. You can connect Android TV Box or Fire TV or Roku Stick or Mi TV Stick to make your TV fully comply with HDMI CEC requirements.

HDMI-CEC explains in detail for you

Therefore, all of this is related to HDMI-CEC and its significance to consumers. As mentioned above, HDMI CEC is not only a hardware function, but also requires software implementation. Therefore, before buying a TV, please make sure that it supports HDMI-CEC. You can check the brand name above to find the correct function on the TV. In any case, this is all we have. If you have any questions, please leave a comment below and let us know.

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