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HDMI ARC vs eARC, Which One Is Better for Your Home Theatre?

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If you have ever tried to connect streaming devices or media players to your TV, you might have noticed ports marked HDMI ARC or electronic arc. This article will help you decide which one to use for the best sound quality in your home theatre.

What’s HDMI?

HDMI (High Definition Multimedia Interface) is the most commonly used standard for transferring high-definition audio or video between devices. It can be connected to any modern media player using a single HDMI cable, such as a DVD player or game console. ).

An HDMI cable is used to connect your sound system/media player to your TV. Simply plug the HDMI cable into the output port on your device as well as the input port on your TV.

What’s HDMI ARC?

HDMI 1.4 was released in 2009 with an audio return channel feature called ARC. This standard was improved by allowing only one HDMI connection to be used as an output and input.

HDMI was originally designed to transmit video between two devices.

ARC allows you to send audio directly from any device plugged into your TV (such as a Blu-ray player) to your soundbar/receiver. You can also send video to your TV from your soundbar or AV receiver.

HDMI ARC can also carry data signals. You can control your soundbar using your TV remote. Most TVs will automatically turn on the soundbar when you press the power button. You can also control the volume and receiver with your TV remote. This feature will vary depending on the TV.

What are the Essentials of HDMIARC Use?

HDMI ARC requires all devices to support it. However, most HDMI cables work, but make sure the cable supports HDMI 1.4.

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What’s HDMI eARC?

HDMI2.1 introduced eARC (enhanced audio return channel), in 2019. The new feature allows for higher audio quality and supports immersive audio formats like Dolby Atmos or uncompressed surround sound.

HDMI ARC vs. ARC: What’s the Difference?

The main difference between HDMI ARC and eARC, HDMI 2.1 can transfer data faster than HDMI1.4 because it has greater bandwidth. EARC allows for better audio quality by compressing the audio signal.

Bandwidth is a pipe that can only hold a certain amount of water. HDMI 2.0 can transmit more audio and visual data at a higher bandwidth.

HDMI 2.1 has a faster bandwidth and can transmit enough data to uncompressed 5.1 surround audio or 7.1 surround audio.

This guide will explain the differences between Dolby Atmos (Dolby) and.

eARC offers additional features, such as lip sync which automatically corrects processor delays and ensures the audio matches the video. It is however available in certain ARC devices.

(Image Source: HDMI)

eARC now offers many gaming features, including Autolow latency mode and Variable refresh rate.

How do you use HDMI eARC?

A “ultra-high-speed” HDMI cable must be compatible with HDMI 2.1 to be able to use eARC. Look for an HDMI certification label and a QR code.

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