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The Best Video Converter – Convert AC3 Audio Track to AAC in Video
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How to Convert AC3 to AAC in Video MP4, MKV, etc. on PC and Online?

Author by Vita

Updated on Jul 11, 2024

AC3 is mainly used on DVDs, Blu-ray discs, home cinema and other utilities. Yet it has poor compatibility with Apple products. So if you encounter an audio codec error when playing videos with AC3 codec on QuickTime, iPhone, iPad, Apple TV, etc., you can convert AC3 codec in the video to AAC. Now follow this tutorial to convert AC3 to AAC step by step with the great audio codec converter. Quickly install it here for preparation:

Q1. I want to convert the audio of a few MKV videos from AC3 to AAC. But just the audio. I want to keep the video exactly as it is. Are there any programs I can do this with?

Q2. I would like to know if it's possible to "easily" convert the AC3 audio in my MP4 files created using Handbrake into AAC audio. When I copied the .mp4 files to a USB stick and played them directly on the TV by plugging the stick into the TVs USB port. I got an error message on the TV.

A. Those problems can be easily solved with a powerful AC3 to AAC converter. And in this article, I will show you how to convert AC3 to AAC in any video with a professional desktop video converter, namely WonderFox HD Video Converter Factory Pro. Also, I will share with you a handy online conversion service for occasional uses. Just keep reading!

The Best AC3 to AAC Converter- Change the Audio Track of a Video in One Click

As one of the top-rated video converters on the market, WonderFox HD Video Converter Factory Pro offers the quickest and simplest solution to convert AC3 to AAC in a video. It has wide input format support and also offers 500+ video and audio format/codec outputs. You can also use it to adjust other settings like resolution, frame rate, bitrate, etc.

Moreover, it has extra features to download video from websites, edit and compress videos, and so forth. Now, let’s follow the steps to convert AC3 audio track to AAC in this powerful software. Download it on your PC to get ready.

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Simple Steps to Convert AC3 to AAC

Import Videos with AC3 Audio

Before start, please free downloadfree download and install the software on your PC.

Step 1. Add Video with AC3 Audio Track

Launch the AC3 to AAC converter, select Converter and then click on Add Files to import the videos with AC3 audio track into the software. Or you can directly drag and drop the target files into the software.

WonderFox HD Video Converter Factory Pro supports batch conversion so you can import and convert multiple files at the same time.

Choose the Output Format You Need

Step 2. Choose the Output Format

Before you convert AC3 to AAC, click on Output Format button on the right and choose an output format under Video tab. For example, if you need to convert the audio track of an MKV file, you can choose MKV so as to keep the original video format, or choose to convert the MKV video to MP4, AVI, MOV, etc. 

Tips. If you want to convert an AC3 audio file to AAC, just select AAC profile under Audio tab.

The Audio Codec Converter

Step 3. Change AC3 Audio Track to AAC

Press the Parameter Settings button on the right corner of the main interface, and then you will see the Settings dialog. Go to Audio section, choose AAC in Encoder drop-down list. After that, click on OK to save the change.

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Start the Process at One Go

Step 4. Start the Conversion

Specify an output path via the inverted triangle icon on the bottom. Finally, click on Run to start the AC3 to AAC conversion. Soon you can check the converted videos with AAC audio track in the output folder and play the videos on your TV without problem.

How to Convert AC3 to AAC Online?

online-convert.comConvert AC3 to AAC Online

You can also try an AC3 to AAC converter online if you prefer not to install any software and just want to process some small files. Online-Convert is a popular service that provides audio conversion and it delivers a good performance. More importantly, you can use it for free:

Step 1. Open this site:

Step 2. Select "Choose File" and add the target file.

Step 3. You can not only convert AC3 to MP3, but also change the bitrate, sampling rate, audio channels or trim audio in "Optional settings".

Step 4. Click on "Convert file" to start the process.

Now Install the Software for Changing the Audio Track of Your Videos in No Time

With the great HD Video Converter Factory Pro, you can easily convert video & audio formats for solving incompatibility issues. As we mentioned above, the software has many other useful features. Just download it and have a try!

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Copy DVD to Computer/TV/Mobile Phone and Enjoy DVD Movies Anytime and Anywhere

The Professional DVD Copy Software

WonderFox DVD Ripper Pro

The DVD copy software can help you convert DVD to MP4, MKV, AVI and other digital video formats so you can play favorite DVD movies on your computer, TV and even mobile phone at ease. Besides, it can quickly copy DVD to ISO image with 1:1 flawless content. So you can use it to digitize your DVD discs and free up more storage room.

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