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Simple Workaround to Convert AAC to AC3 Audio Track
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[Resolved] Simple Workaround to Convert AAC to AC3 Audio Track in a Video File

Author by Rocabella

Updated on Mar 19, 2021

AAC is an updated version of MP3, and the sound quality is better at the same audio bit rate. It was widely used as a separate file and into the audio part of video. If your MP4 video with AAC audio can’t be played well in your home theater, you can convert AAC to AC3 format to solve this problem. A useful tool - HD Video Converter Factory Pro - will help you to do it perfectly. Just keep reading.

Q: Recently, I have an AAC 6 channel audio from an MKV file and it plays pretty well on my phone, but now I want to enjoy it at my home theater. I need to convert it to AC3 format as my home theater can decode AC3 to 5.1 speaker. It cannot decode AAC directly.

A: As you know, AAC is a default or standard audio format for YouTube, iTunes, HDTV, portable players, Mobile phones, etc. However, in some cases, when you play MKV or MP4 video with AAC audio in a certain device, you will find this device is unable to decode AAC directly because it only shows a video without sound. In this situation, converting AAC to AC3 will solve this problem at once. And in this article, I will show you an AAC file to AC3 converter with the original audio quality preserved.

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Simple Guide to Convert AAC to AC3

As a multifunctional video & audio converter, HD Video Converter Factory Pro offers us a simple method to convert .aac to .ac3, which is especially suitable for new beginners. And it has no complicated terms and does not require difficult operations, so you can just finish it by clicking with your mouse.

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

The following guide will show you how to convert AAC to AC3. Just check it out.

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Tutorial on How to Convert AAC to AC3 with a Few Clicks

Open the folder to choose video files

Step 1. Add the Video File with AAC Audio Track

Run HD Video Converter Factory Pro and open Converter module. Firstly, you can click “Add Files” button, then open the folder to add video files that contains AAC audio tracks on your computer, or directly drag the target files into the interface of this program. Beyond that, you can choose more target files, since this program is able to change AAC audio to AC3 in batch mode.

Choose the format you need

Step 2. Choose the Output Format

On the right side, clicking the Output Format, you can choose your original format MKV. You also can convert MKV to MP4, MKV to AVI, MKV to MOV or other video formats supporting AC3 track under Video Tab. If you want to convert an AAC audio file to AC3, just select AC3 profile under Audio tab.

AAC AC3, AAC file converter to AC3

Step 3. Change .aac to .ac3

 Then click “Parameters Settings” and choose “AC3” in the audio encoder. If your original video had 5.1 channels, you can choose 6 channels in the “Channel” list. Specially, you can normalize audio, and increase volume here.

Start to change the audio track

Step 4. AAC file to AC3 Converter Works

Finally, specify a destination folder to save the converted file. In the right bottom corner, there is a “Run” button. Now you just need to click it to convert AAC to AC3, after done you can find your converted files in the Output folder.

At last...

When you finish reading this artiche, it’s so easy for you to master the way of converting AAC to AC3. At same time, if you are not satisfied with your  quality of video, you can also improve video quality by converting SD to HD. I think HD Video Converter Factory Pro is easy for you to handle, how about you?

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