As mentioned, many MX Player users often see an error message 'EAC3 Audio format is not supported' while watching their favorite videos on MX Player. EAC3 format is the Enhanced AC-3 format for audio. The removal of custom codec in MX Player makes it difficult for AC-type files to stream. That's to say, EAC3 audio format is no more listed in MX Player required libraries downloaded from App Store. You need install MX player custom codec pack to make EAC3 codec, as well as DTS, MLP, TrueHD format playable.
MX Player custom codec includes ffmpeg library along with many other libraries which are required to ensure MX player working properly. Usually, there are two kinds of MX Player Custom codec, MX Player AIO ZIP file and specific MX Player codec pack based on your device's architecture. Just download the right version of MX Player EAC3 codec according to the local player's prompt.
For the newer version of MX Player, older MX Player custom codec links may not work. You will be noticed with an error message "Can't find custom codec. Please use version. Please use version 1.49.0 Codec"!
What if users don't want to take extra steps to download and install EAC3 codec for MX Player? You can try an alternative to MX Player to make your videos with EAC3/AC3/DTS audio playable. Generally, there are two options: turning to another media player or convert the EAC3/AC3/DTS encoded video to the one that MX Player accepts.
There are many video players out there that can play almost all video file formats without installing video codecs additionally. Most of them include built-in audio and video codecs and are totally free to use. This will solve video not playing in MX Player error owing to the codec issue, including the EAC3 codec or the increasingly popular AV1 codec. Here are some free media players that don't require extra codec installation: