Eac3 Audio Format Not Supported In Mx Player

This is the fastest solution. MX Player has two decoding modes:

Steps:

Note: SW mode uses more battery and may cause slight audio delay, but it reliably decodes EAC3 on most devices.

VLC is an open-source, legally untouchable player that uses its own internal codec library (LibVLC). It plays everything—EAC3, DTS, TrueHD, Opus.

Here’s a useful, actionable review of the issue “EAC3 audio format not supported in MX Player”—explaining why it happens, how to fix it, and what to expect.


Multimedia playback on mobile and embedded devices is complicated by fragmentation in codec support, hardware capabilities, and licensing restrictions. MX Player has gained popularity due to its gesture controls, subtitle support, and hardware-accelerated decoding. However, users frequently encounter the error: “EAC3 audio format not supported.” This paper dissects the root cause of this error and provides actionable solutions.


MX Player allows you to install third-party codec packs. The most famous is the "AI (All In One) Audio Codec" built by XDA developers. This pack includes FFmpeg libraries that handle EAC3, DTS, and TrueHD.

How to install:

Author: Digital Media Compatibility Research Unit
Date: April 12, 2026
Version: 1.0


Sometimes, you just want a player that works out of the box without custom codecs. If the above process seems too technical, switch to one of these players. They have native EAC3 support due to different licensing models.

The error "EAC3 audio format not supported in MX Player" is not a bug – it is a licensing limitation. Fortunately, you now have multiple ways to solve it.

The quickest fix: Switch to SW audio decoder inside MX Player (takes 5 seconds).
The most reliable fix: Install the AIO custom codec pack.
The long-term solution: Convert your files to AAC or switch to VLC Media Player.

By following the steps above, you will never have to suffer through silent video playback again. Choose the method that matches your technical comfort level and get back to enjoying your media.

The "EAC3 audio format not supported" error in MX Player occurs because native support for proprietary Dolby Digital Plus (EAC3) and DTS codecs was removed due to licensing restrictions

. While the video may play, the absence of these licensed codecs results in complete silence. Fix 1: Install a Custom Codec (Best for MX Player Users)

This is the most common solution for users who want to keep using MX Player. You can download and install a custom codec pack developed by the community to restore audio support. Check Recommended Codec : Open MX Player, go to , and scroll to the bottom. Note the required version under Custom Codec (e.g., ARMv8 NEON, x86). Download the Codec : Visit a trusted source like Free-Codecs to download the latest AIO (All-in-One)

zip file or the specific version matching your device architecture. Install Manually Custom Codec

Navigate to your download folder and select the downloaded ZIP file.

MX Player will prompt a restart to apply the new codec. After restarting, EAC3 audio should play normally. Free-Codecs.com Fix 2: Switch to VLC Media Player (Fastest Fix) If you prefer a "no-fuss" solution, use VLC Media Player

. Unlike MX Player, VLC includes native support for EAC3, DTS, and AC3 codecs out of the box, meaning you won't need to download extra files. Wondershare Recoverit Fix 3: Convert the Audio Format

If you need the file to be compatible with multiple devices (like older Smart TVs), you can permanently change the audio format using conversion software. Wondershare Recoverit : Use programs like VideoProc Converter AI or the built-in conversion feature in VLC Media Player : Convert the EAC3 audio stream to , which are universally supported formats. Fix 4: Enable Audio Passthrough eac3 audio format not supported in mx player

If you are using a device connected to a Dolby Digital Plus-capable TV or soundbar, you may be able to bypass internal decoding. Go to MX Player and enable Audio Passthrough Set the audio output to SW (Software) HW (Hardware)

depending on which allows your external hardware to handle the signal. for a specific device architecture like How to Fix EAC3 Audio Not Supported in MX Player 21 Jan 2025 —

The "EAC3 audio format not supported" error in MX Player occurs because the app removed native support for Dolby Digital Plus codecs due to licensing restrictions. You can restore audio by installing a custom codec pack. Quick Fix: Install Custom Codecs (April 2026)

The most effective way to keep using MX Player is to download a community-developed codec pack. Mx Player EAC3 Audio Not Supported FIX | 2025

The Frustrating Experience

Rahul, a movie enthusiast, had just downloaded a new movie from the internet. He was excited to watch it on his Android device using his favorite media player, MX Player. However, when he tried to play the movie, he was shocked to see an error message: "EAC3 audio format not supported."

Rahul had no idea what EAC3 was, but he knew he couldn't enjoy his movie without it. He tried to play the movie on other media players, but none of them seemed to support the EAC3 audio format. He searched online for a solution, but all he found were complicated technical explanations and no clear fix.

The Research

Determined to find a solution, Rahul started researching the EAC3 audio format. He discovered that EAC3 (Enhanced AC-3) is a type of audio codec developed by Dolby Laboratories. It's an advanced audio format that offers improved sound quality, but apparently, MX Player didn't support it.

Rahul checked the MX Player website and forums, but there was no mention of EAC3 support. He even checked the app's changelog, but there were no updates related to EAC3. It seemed like MX Player had abandoned support for this audio format.

The Workaround

After some more research, Rahul found a few workarounds. Some users suggested converting the movie to a different audio format, but Rahul didn't have the technical expertise to do that. Others suggested using a different media player that supported EAC3, such as VLC or KMPlayer.

Rahul decided to try VLC, and to his surprise, it played the movie with EAC3 audio without any issues. However, he preferred using MX Player, and he hoped that the developers would add EAC3 support in the future.

The Request

Rahul decided to reach out to the MX Player developers and request EAC3 support. He sent an email to their support team, explaining the issue and providing examples of movies with EAC3 audio that couldn't be played on MX Player.

A few days later, Rahul received a response from the MX Player team. They acknowledged the issue and informed him that they were working on adding EAC3 support to their app. They didn't provide a timeline, but Rahul was hopeful that the feature would be added soon.

The Resolution

Weeks later, Rahul checked for updates on the MX Player app and found that a new version had been released. He installed it and tried playing the movie again. To his delight, MX Player now supported EAC3 audio, and the movie played smoothly.

Rahul was thrilled to have his favorite media player updated with the feature he needed. He continued to enjoy his movies on MX Player, grateful for the developers' efforts to improve the app and support more audio formats.

The End

The story of Rahul and his EAC3 audio woes could have ended differently if MX Player had supported the format from the start. However, it demonstrates the importance of community feedback and the willingness of developers to listen and improve their products.

To fix the "EAC3 audio format not supported" error in MX Player, you need to install a custom codec pack. MX Player removed native support for EAC3, AC3, and DTS due to licensing restrictions, which often results in videos playing with no sound. Quick Solution: Download and Install Custom Codec

The most reliable fix is using the AIO (All-in-One) ZIP file, which automatically includes the correct codec for your device's processor.

Download the Codec: Get the latest MX Player AIO ZIP from a trusted source like Free-Codecs or GitHub . Open MX Player Settings: Tap the three lines (Menu) or dots at the top. Go to Local Player Settings > Decoder. Select Custom Codec: Scroll to the bottom and tap Custom codec.

Navigate to your Downloads folder and select the downloaded ZIP file (e.g., mx_aio.zip).

Restart the App: MX Player will prompt you to restart to reload the codec. Tap OK. Alternative Fixes If you cannot install the codec, try these alternatives: Mx Player EAC3 Audio Not Supported FIX | 2025

The "EAC3 audio format not supported" error in MX Player occurs because the player lacks the necessary licenses for Dolby Digital Plus (EAC3) audio, resulting in video playback with no sound. Why This Happens

Licensing Restrictions: MX Player removed native support for DTS and Dolby codecs (including AC3, EAC3, and MLP) due to patent licensing issues.

Missing Codecs: The default installation only includes open-source codecs; proprietary formats like EAC3 must be added manually.

Streaming Standard: EAC3 is widely used by platforms like Netflix and Disney+, making it a common format for downloaded media. How to Fix the Issue

The most effective way to restore sound is to install a Custom Codec. 1. Identify Your Device's Architecture

Before downloading a codec, you need to know which version your device requires: Open MX Player and navigate to Settings > Decoder. Scroll to the bottom to find the Custom Codec section.

Note the recommended codec type (e.g., ARMv8, x86, or Neon). 2. Download and Install the Custom Codec

Download: Get the AIO (All-in-One) ZIP pack from a trusted source like Free-Codecs or Codecs.com to ensure you have the right version (e.g., v1.90.1 for 2026 versions).

Automatic Installation: Most versions of MX Player will automatically detect the ZIP file in your downloads folder upon startup and ask to restart the app to load it. Manual Installation: Go to Settings > Decoder > Custom Codec.

Browse to the folder where you downloaded the ZIP file (e.g., mx_aio.zip). Select the file and let MX Player restart. Alternative Solutions MX Player Custom Codec 2.7.x

The "EAC3 audio format not supported" error in MX Player occurs because proprietary codecs like EAC3 (Dolby Digital Plus)

were removed from the default app due to licensing and patent restrictions To fix this, you must manually install a Custom Codec pack that includes these formats. How to Fix EAC3 Support in MX Player Step 1: Identify Your CPU Architecture

MX Player requires a codec that matches your device’s processor. To find yours: Open MX Player and tap the Profile/Settings Local Player Settings Scroll to the bottom and look for Custom codec . It will list the type you need (e.g., ARMv8 NEON ARMv7 NEON Step 2: Download the Custom Codec Download the AIO (All-in-One)

zip file, which contains all versions and ensures compatibility: Highly reputable repositories like Free-Codecs.com official GitHub project File Name: mx_aio.zip or the latest version (e.g., aio-v1.87.0.zip Do not unzip the file after downloading it. Step 3: Install the Codec in MX Player MX Player Custom Codec 2.7.x This is the fastest solution

Fixing the "EAC3 Audio Format Not Supported" Error in MX Player

If you’ve recently tried to watch a movie on MX Player only to be met with total silence and a "This audio format (EAC3) is not supported" warning, you aren't alone. This issue typically occurs because of licensing and patent restrictions related to Dolby Digital Plus (EAC3) codecs, which are no longer natively included in the app.

Fortunately, you don't need to switch players. You can fix this by installing a Custom Codec pack. Follow this guide to get your audio back in minutes. Step 1: Identify Your Required Codec Version

Before downloading anything, you need to know which version of the codec your specific device requires. Open MX Player on your device.

Tap on Settings (or the Profile/Menu icon) > Local Player Settings > Decoder. Scroll to the very bottom to find the Custom codec section.

Note the specific codec recommended for your device (e.g., ARMv8 NEON, x86, or AIO). Step 2: Download the Custom Codec

The most reliable way to fix this is by using the AIO (All-in-One) ZIP file, which includes all necessary architectures. How to Fix The No Audio Issues on MX Player | Guiding Tech

EAC3 (Enhanced AC-3) audio format is not supported natively in MX Player due to licensing restrictions with Dolby and DTS. This results in videos playing with no sound and a "This audio format (EAC3) is not supported" error message.

Below are three ways to draft a review based on your experience or intent: Option 1: The "Frustrated User" Review Rating: ⭐⭐⭐ Title: Great player, but missing essential audio codecs

"I’ve used MX Player for years because it’s fast and handles almost everything. However, it’s frustrating that I now get an 'EAC3 not supported' error on half my movie library. I know it’s a licensing thing, but having to hunt for custom codecs on forums just to get sound is a hassle for the average user. It’s still the best UI, but this missing support is a major drawback." Option 2: The "Helpful/Technical" Review Rating: ⭐⭐⭐⭐ Title: Still the best—if you know the workaround

"MX Player is still the king of mobile video players, but be aware that it no longer supports EAC3 or DTS out of the box. If you get the 'audio not supported' error, don’t uninstall it—just download the MX AIO Zip codec

and load it through the 'Custom Codec' setting in the Decoder menu. Once you do that, it plays everything perfectly again." Option 3: The "Switching to Competition" Review Rating: ⭐⭐ Title: Too much work to get sound

"I shouldn't have to download external files to play standard high-quality audio in 2026. The EAC3 error is a dealbreaker. While I love the gesture controls, I've found that competitors like

support these formats natively without any extra setup. Unless MX Player brings back native support, it’s hard to recommend for movie fans." How to Fix the Error

If you are looking to fix this issue yourself, follow these steps: Mx Player EAC3 Audio Not Supported FIX | 2025

The "EAC3 audio format not supported" error in MX Player occurs because the app removed native support for proprietary Dolby Digital Plus (EAC3) and DTS codecs due to licensing and patent restrictions. While the video may play smoothly, you will experience a total loss of sound. Step 1: Download the Custom Codec

To restore audio, you must manually install a community-developed "All-in-One" (AIO) codec pack that includes these missing formats.

Check your required version: Open MX Player, go to Settings > Local Player Settings > Decoder, and scroll to the bottom. Under Custom codec, the app will typically specify which version it needs (e.g., "Use ARMv8 NEON custom codec").

Download the AIO ZIP: Visit a reputable source like Free-Codecs.com or VideoProc to download the latest MX Player Custom Codec (AIO ZIP).

Tip: Do not unzip the file; MX Player needs the complete ZIP archive. Step 2: Install the Codec in MX Player Steps:

MX Player often detects the downloaded file automatically upon the next launch. If it does not, follow these manual steps: MX Player EAC3 Audio Not Supported FIXED!