AC3 stands for Audio Coding 3. It is a kind of surround audio file format that was created by Dolby Labs. With this format, people are allowed to enjoy more vivid movies and music. We often watch myriads of excellent movies and listen to music on internet. AC3 audio adopts six channels of sound and runs a total bit rate of 384 kilobits per second, which indicates that AC3 enjoys great sound quality. Based on the above reason, AC3 audio is frequently used in DVD, DTV media and Blu-ray Discs and HDTV broadcast. What’s more, AC3 audio files are easy to fetch online, people can freely download those AC3 audio files to experience sound and video feast. Compared with AC3, MP3 is a relatively common audio content. Here we show you how to convert AC3 to MP3. In the previous tutorial, we have taught you how to burn AC3 to DVD.

Part 1: Convert AC3 to MP3 with Leawo Video Converter

Leawo Video Converter is not only a video converter, but also an audio converter or audio extractor. On one hand, Leawo Video Converter is able to convert video from one format to another format including MP4, AVI, MOV, MKV, MTS, FLV, etc., and at the same time the program is able to convert various audio files like MP3, AAC, FLAC, AC3, etc. On the other hand, this professional program allows users to extract audio track from video files. The input and output video and audio formats supported by Leawo Video Converter include Common Video (MP4, H.265 MP4, MKV, H.265 MKV, MOV, etc.), Common Audio (AAC, AC3, WAV, MP3, WMA, FLAC, etc.), HD Video (HD MP4, HD AVI, HD TS, HD VOB, etc.), and 4K Video (4K MP4 and 4K MKV). This professional converter is able to convert video and audio files with 100% quality reserved and in 6X faster speed.

Leawo Video Converter is equipped with an internal video editor and player for you to edit video files, including video trimming, adding watermark, video cropping, adding video effect, turning 2D video to 3D, and removing video noise. At the same time, the internal video player allows you to play video files after video importing.

As is mentioned before, Leawo Video Converter can be regarded as an audio converter for you to convert audio content from one format to another. Therefore, it can play the role of AC3 to MP3 converter to convert AC3 to MP3. If you are using Mac computer, you can make use of the Mac version of Leawo Video Converter. Download and install the right version of Leawo Video Converter based on your computer system, and then follow the guide below to convert AC3 to MP3.

Step 1. Import Source AC3 Audio Files

Launch Leawo Video Converter, go to the “Convert” tab, and click “Add Video” button on the sub-menu to load your source AC3 audio files. Alternatively, you can directly drag and drop AC3 audio files into the program interface. 

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Step 2. Set MP3 as Output Format

Click the drop-down box named “MP4 Video” by default next to the “Add Photo” button. On the drop-down list, select “Change” option. Then on the popup Profile window, select “MP3” from “Format” column as output format. Please note that once you change the output format, the name of the drop-down box will change as well.

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Note: If you need, you could click the “Edit” button on the drop-down profile setting box to adjust audio parameters like audio codec, bit rate, channel, sample rate, etc.

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Step 3. Convert AC3 to MP3

Click the big green “Convert” button on the sub-menu bar next to the format setting drop-down box. Then, on the popup sidebar, set output directory. After setting output directory, click the “Convert” button right below. Leawo Video Converter would start to convert AC3 to MP3 immediately.

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Part 2: Convert AC3 to MP3 with Online Converter

The second one is the powerful OnlineConverter, which offers free online conversion services for a wide range of file formats. OnlineConverter is a versatile and multi-purpose converter, a handy tool for your work and personal life. Its entire operation page is very clean, and the classification is very clear. The function of OnlineConverter is powerful, and its interface is well organized. At the same time, it's easy and simple, and you don't need to download and install any software as you can access this online service from any computer anytime and anywhere. There are multiple formats such as video, audio, and text to choose from. Here, let's test the audio conversion feature by converting AC3 to MP3.

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Step 1. Select Output Format
Firstly, we select “Audio” to convert in the list to the left of onlineconvert.com to enter the main interface of free audio converter.
 
Step 2. Upload Source AC3 File
On the new action page, click “Choose Files” to choose and import source AC3 audio file. Please note that the converter supports no more than 10MB size audio file. Here we choose MP3 format to convert AC3 to MP3. After clicking "Go", we will be linked to a new action page and we need to click “AC3 to MP3”.
 
Step 3. Start Converting
Click "Convert" to convert AC3 to MP3. After the conversion is complete, you need to export converted audio file by clicking “Download” button.

Part 3: Convert AC3 to MP3 with CoolUtils

CoolUtils can achieve conversion from HTML to PDF, Word to TIFF, AC3 to MP3, AMR to MP3, or any other conversion types. This online file converter supports over 1400 formats. It is able to convert extra-large and complicated files, and batch conversion and processing is also feasible. AC3 to MP3 conversion can be easily achieved with the help of CoolUtils. It requires no tech knowledge. Intuitive interface makes it easy for everybody to be the master of audio conversions. If you do not know what bit rate or frequency to choose, the wizard of the program will automatically set the most appropriate.

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Step 1. Add Source AC3 Files
On the main interface, click “File” button on the top left to browse and choose source AC3 files. You can add multiple files at a single time.

Step 2. Choose MP3 as Output Format
Check the AC3 files you want to convert, and then choose “MP3” from the top to set output format. Before you start conversion process, you need to specify a folder to contain the converted results.

Step 3. Start Conversion from AC3 to MP3
Click “Start” to begin the conversion from AC3 to MP3.

Part 4: Convert AC3 to MP3 with VLC

VLC, which usually works as a media player that supports playing almost any type of media file (MP4, AVI, MKV…), also can be used to easily convert video and audio files to other formats like from AC3 to MP3. In this tutorial, I’ll show you how to convert AC3 to MP3 with VLC with a few simple steps.

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Step 1. Enter the Converting Interface
Click on the Media menu in VLC, and then click on Convert/Save.

Step 2. Select File to Convert
In the pop-up window click the “Add” button, select one or more AC3 audio files to be converted. And click “Convert/Save”.

Step 3. Select and Set MP3 as Output Format
Under Profile, choose the target format from the list of formats. Here, you need to choose MP3 as the output in order to convert AC3 to MP3. In the Target file box, select the destination folder and the name for the new audio file. In addition, you can further adjust the audio parameters of the selected output profile.

Step 4. Convert AC3 to MP3
Once you’ve chosen all the settings, click Start to begin the conversion from AC3 to MP3. VLC media player will save the source file in the desired MP3 format in the file folder you’ve selected.

Part 5: Convert AC3 to MP3 with FileZigZag

FileZigZag supports thousands of types of unit conversions, making it easy for users to reach a one-stop solution without having to jump from one location to another. Here we convert AC3 to MP3 with FileZigZag.

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Step 1. Import Source AC3 Audio File into FileZigZag
The interface of the web page is very simple. The first bar is for you to import file. Here, we choose to import the pre-prepared AC3 audio files.

Step 2. Choose MP3 as Output Audio Format
Click the drop-down box under “Convert to”, and you need to select MP3 as output audio format.

Step 3. Input Your Email Address and Start to Convert
In the third bar, you need to input your email address, and then click “Convert” in the fourth bar. After a while, the converted result will be sent to your email box.