If you enjoy surfing the Internet, then you can access all kinds of video sources and get familiar with various video formats. Today, I will recommend you a new type of audio format, AC3, which is one of the most widely used audio formats.

Part 1: About AC3

AC3 file format refers to Dolby Audio Codec 3. It was created by the Pioneer Corp in Japan and American Dolby laboratories in 1994. AC3 was a new generation of home theater multi-channel digital audio system developed by Dolby Company. Actually, it usually appears in the format of the DVD video, whose suffix is VOB. What’s more, the sampling rate of AC3 is 48 kHz, the code rate is generally from 192 Kbps to 384 kbps, voice channel two or six channels. AC3 file format is a kind of audio decoding with 5.1 channel, which is known as Dolby Surround.

Maybe you’ll ask what kind of machine can play the AC3 file format. As a matter of fact, it can be played in ordinary DVD players. Sounds great, isn’t it? However, some of us may come across plenty of problems when playing AC3. Next, I will show you how to play AC3 files for Windows and Mac systems without an effort.


Part 2: Best Free AC3 Player for Windows & Mac

Whether you are using Windows or Mac OS platforms, the number-one free AC3 MKV player that will be strongly recommended is the Leawo Blu-ray Player for sure.

As an all-in-one comprehensive media player, Leawo Blu-ray Player can provide ultimate solutions to playback AC3 file format effortlessly. With advanced audio technology, the AC3 file format can be fully reflected. Functioned as the top Windows Media Player alternative, the skillful AC3 supported player can bring you the cinema-like video and audio experience.

Besides playing audios in AAC, AC3, APE, DTS, FLAC, OGG, TTA, etc, it is able to support Blu-ray, DVD, ISO files, common video, HD video and audio files in lossless quality. This versatile AC3 supported player even supports playback DTS-5.1 audio, which can deliver excellent audio experience. Likewise, Leawo Free Blu-ray Player for Mac offers all kinds of media files on Mac computer, be it iMac or MacBook, with high quality on image and audio. Originally tailored for Blu-ray content playback, it is compatible with DVD content playback from any region. That means the AC3 MKV player can be regarded as a region-free Blu-ray and DVD player. Its user-friendly media player control can enhance the user’s experience. Furthermore, there is a premium version that rips the Blu-ray/DVD content to MKV directly. Most of all, it is free for AC3 video player download.


Leawo Free Blu-ray Player 

☉ 100% free movie player for Windows & Mac users to play Ultra HD 4K, 1080P and 720P videos.

☉ Free Blu-ray/DVD player to play 4K disc, folder and ISO file, regardless of disc protection and region code.

☉ Support multiple audio decoding systems like Dolby, DTS, AAC, TrueHD, DTS-HD, etc.

☉ Adjust subtitles, video and audio during media playback.

☉ Serves as a powerful Blu-ray/DVD to MKV converter to convert Blu-ray/DVD disc, folder and ISO image to MKV with lossless quality and high speed.

Although it sounds great when with the Leawo AC3 video player download at hand, many of us may ask how to operate the player. Just read the following steps and you will save much time to learn how to enjoy a wonderful audio experience.

Step 1: Firstly, install the best AC3 supported player on your PC. You can go to the main page of Leawo Blu-ray Player and download and install the correct version on the computer. The demonstration will use the Windows version.
Step 2: When you have opened the application, just click on the green “Open File” button to open your AC3 files. Or you can directly drag the AC3 files that you would like to play into the program interface.


Step 3: You are also free to do some subtitle settings on Leawo Blu-ray Player. For entering the subtitles panel, you can right-click on the main interface during playback and then choose the “Subtitles…” option.


Step 4: You can also set video parameters based on your preference. To access this video setting panel, right-click anywhere on the interface and select instantly the “Video…” option.


Step 5: Meanwhile, it is very simple to make changes to the audio settings. Just right click on the interface again and choose the “Audio…” choice.


Part 3: Other Free AC3 Player Software

Option I. Cisdem Video Player

Cisdem Video Player is one of the most popular AC3 MKV players for Mac, which supports a large number of formats without the need to install additional codecs and plug-ins. With its impressive lists of supported formats, perfect HD playback experience, and a less daunting interface, Cisdem Video Player is deeply appreciated by many users for playing the AC3 file format. Many other audio files are supported like MKA, APE, FLAC, WAV, OGG, AAC, and so on. What’s more, if you own a Mac system of macOS 10, it runs better. By the way, the feature of ads-free makes this player more brief and attractive. If you are considering choosing a suitable and well-functioned AC3 supported player, it is one of your solid choices.


Option II. KM Player

KM Player has been widely known as one of the best AC3 supported player programs. This AC3 MKV player can be enhanced by adding third-party plug-ins and decoders, which can better support and playback various popular videos and HDTV. Also, it supports the overwhelming majority of media software playback, namely, AC3, DTS, Xvid, DivX, 3vid, H264 OGG, OGM, MKV, and so on. Some advantages including KMplayer’s ads-free and third-party plug-in features make it more popular. At the same time, due to its various powerful functions, there is no need to install a bunch of other transcoding programs. KM AC3 video player download is suitable for Win7/Win8/Vista/Win2003, etc.


Option III. 5KPlayer

Serving as an AC3 MKV player for Mac and Windows, 5KPlayer is a beefy video player opening the AC3 file format. Reliable as it is, 5KPlayer – a high-quality free music player, is the key to free play and download music from Soundcloud, Pandora, Spotify, on your Mac, be it in MP3, AAC, AC3, WMA, M4A, FLAC, or OGG format. Just try this robust music player on Mac to hear the world’s sounds! As a cross-platform video music player software with a razor-sharp, AC3 MKV player focuses on all music formats input. Giving individuals the chance to download unlimited music from 300+ sites and listen offline, it is 100% safe and we can easily use it with no ads or spyware. It is said that this 5KPlayer is the one that makes how to play AC3 files more convenient.


Part 4: Best Free AC3 Players for Android

Finally, I want to recommend another free AC3 MKV player for Android users. MX Player is an Indian AC3 MKV player developed for mobile devices. In other words, this AC3 file MX player will stream the AC3 file format on your portable android smoothly.

All the AC3 audio file for MX player is perfectly compatible with this media service. AC3 file MX player is seen as the outstanding video and audio streaming app that works on the OTT platform. Utilizing the hardware-accelerated video decoding techniques, it also features automatic subtitle search and buffered network playback from Youtube. All of these performances are quite attractive to most movie lovers. The supported format of AC3 file MX player covers a wide range, such as DTS, Dolby Surround, Dolby digital DD 5.1, AC3, AIF, RAM, WMA, FLV, and much more. AC3 file MX player has dominant user bases over a couple of areas internationally. Whilst launching the OTT service to more areas, AC3 audio file for MX player is stably playable through this AC3 MKV player.

Part 5: Convert AC3 to AAC in MKV File

One of the best options to deal with the AC3 file format and make it more compatible with the system or other video editing tools is to convert AC3 to AAC in MKV files. But how to convert AC3 to AAC in MKV files? Among all of the audio converter applications, I recommend Leawo Video Converter the most.

Leawo Video Converter is a multi-functional video converter tool that supports AC3 file formats of all kinds. Specialized in the tasks of transcoding all different media data, users can convert AC3 to AAC in MKV files with ease. Acting as the best Blu-ray to audio converter, it supports the conversion for 180+ kinds of video formats and has a practical built-in video editor integrated. In this way, you are allowed to remove noise in the background from the AC3 audio file for MX player, trim, crop, add watermark to video, adjust video effects, and turn 2D video to 3D. If you are not sure about how to use this program, here is the helpful instruction. Just download the converter and start.


Step 1: On the first page of the Leawo Video Converter, navigate to the ‘Video Converter’ function module by clicking the “Video Converter” button in the main window or the “Convert” button in the toolbar above.


Step 2: Import your AC3 file format by clicking the “Add Video” button or directly dragging and dropping the file to the center of the main interface.


Step 3: When the AC3 audio file for MX player is imported, go to the section next to the “Convert” button. To change an output format, click on “MP4 Video” and choose “Change”. Then select “AAC” in the newly popped out window.


Step 4: To start the conversion, just click the green ‘Convert’ button. In the popped-out panel, select an output directory and click the “Convert” icon below.