What is HDMI eARC? How is it different from HDMI ARC?

The HDMI eARC port is a common input when using electronic devices, so what is the HDMI eARC port? What’s different from the HDMI ARC port? Let’s answer these questions with Tnhelearning.edu.vn through the following article!

What is HDMI eARC?

HDMI eARC roughly translates to “Advanced Audio Return Channel”, which is an upgraded and improved version of HDMI ARC (Common Audio Exchange Channel).This upgrade is intended to make the HDMI eARC port able to provide provide and transmit more important information more quickly.

Currently, HDMI has developed with more advanced versions such as 3D, 4D, 8K, HDR along with the modern 2.1 frame standard. HDMI eARC is an input port that uses the HDMI 2.1 standard with many features such as higher bandwidth upgrading, helping to improve picture quality.

The HDMI eARC port can be understood as an upgraded and improved version of the HDMI ARC port

Benefits of HDMI eARC

The main benefit of the eARC port is that it simplifies connectivity, provides streaming capabilities, significantly increases bandwidth and speed, so you can send high-quality audio from your TV to your soundbars. or AV receiver faster than the previous version.

However, not all TV products use HDMI 2.1 version for all ports. Therefore, before choosing to buy, you need to carefully refer to the specifications to choose a TV product that uses the HDMI eARC port for future transmission.

The HDMI eARC port increases the ability to stream, sending high-quality audio to TVs or soundbars faster

How is HDMI eARC different from HDMI ARC?

The biggest difference between eARC and ARC is bandwidth and speed. Bandwidth is a representation of the frequency range or amount of data being transmitted at a point. The eARC version has a much higher bandwidth compared to the previous version.

Higher bandwidth means higher and faster data transmission. At the same time, the higher bandwidth eliminates the need to compress and detail digital audio signals, making the sound many times more vivid and rich.

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The HDMI eARC port has a much higher bandwidth than the HDMI ARC version

Models that support HDMI eARC connection

The following models support the HDMI eARC connection:

• TV: UHD TU 7000 and higher models.
• Soundbar: Q70T and higher models.
• Audio formats: the latest and high bit rate audio formats supported include DTS Master, Dolby Atmos, Dolby TrueHD,…

The TV supports connection to the HDMI eARC port with UHD TU 7000 and higher models

Using which cable to use HDMI eARC?

Because the HDMI eARC port uses the extra bandwidth required for some audio formats, if you want to use this port you must use high-bandwidth cables such as HDMI Ultra High Speed or HDMI High Speed.

HDMI High Speed Cable for HDMI eARC

Instructions for setting up HDMI eARC mode on TV

To set up the HDMI eARC mode on the TV, you can refer to the following instructions:

• Step 1: Select the “Home” button on the remote => then press “Settings” .
• Step 2: Select “Sound” ( “Sound” ).
• Step 3: Next, click on the “Expert Settings” button .
• Step 4: Finally switch to “HDMI eARC” mode => press “Enter” on the remote to activate.

Instructions for setting up HDMI eARC mode on TVs

Hopefully, the above article can help you understand more about the definition of the HDMI eARC port. If you have any questions, feel free to contact us and our staff will be happy to help and advise you!