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  • Convert video to MP4, AVI, MOV, MKV, MPG, and other 500+ formats
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How to Convert AC3 to MP4 on Windows/Online/iPhone

Vanessa Chiang updated on Oct 14, 2021 to Video Converter Tips

AC3 is an audio format with advanced compression technology. This type of audio format has high-level sound quality. Unfortunately, the majority of smartphones, tablets, and other devices do not support AC3 audio file. So you need to convert AC3 to MP4 or other formats to fit your devices. Next, I will show you how to convert AC3 to MP4 from three-part.

Part 1. How to Convert AC3 to MP4 on Windows

Do you know how to convert AC3 to mp4 on Windows? Three programs can help you to solve this problem.

1. EaseUS Video Converter

Whether you want to convert a single AC3 to MP4, or change multiple AC3 file formats in bulk at once, EaseUS Video Converter will always provide services. 

Compatible with Windows 11, 10, 8, and 7, this media converting software performance perfectly in AC3 to MP4 conversion on Windows PC. Moreover, you can use it to convert your AC3 audio file into other formats, including MOV, AVI, MKV, MP3, etc., so that you can play or share the output file on social platforms or players successfully. Another highlight is that all the converted files will preserve the original quality.

Highlight:

  • Simple user interface
  • Support multiple various video and audio format
  • Convert video to audio effortlessly
  • Combine converted files after conversion
  • Preview media file anytime

Step 1. Launch EaseUS Video Converter, and there is a "Video Converter" option you need to choose. Then, click on the "Choose Files" button to import the source audio file.

video converter interface

Step 2. Then, click on the "Settings" button to find the list of optional video formats. Select MP4 as the video format, then select a suitable resolution and video quality.

select mp4

Step 3. Make sure that you choose an appropriate folder to save the MP4 video. Then, click on the "Convert" button or the "Convert All" button to turn the audio into video. The "Convert" button is for processing one file, while the "Convert All" button is for batch conversion. 

convert audio to mp4

Step 4. The converted MP4 video will be found in the "Finished" tab. You can preview it using the built-in media player.

save mp4

2. EaseUS Video Editor

If you are looking for a program that both can edit video/audio and convert file formats, EaseUS Video Editor will be the best choice. EaseUS Video Editor is a fantastic video editing software. You can use this app to create your funny video whether you are a beginner or professional. This program provides you with plenty of filters, overlays, transitions, and other video editing functions to make your video more attractive. And you also can convert your file using this app, for example, converting AC3 to MP4.

Pros:

  • Support many video and audio formats, such as AVI, MKV, AC3, AAC, and so on
  • Support format conversion, like convert MP3 to MP4 and many more
  • Support 300+ effects and transitions
  • Support free download

How to Convert AC3 to MP4 Using EaseUS Video Editor

Step 1. Import the source file

Launch EaseUS Video Editor. On the home screen, you can import the source file by either clicking the "Import" option or simply dragging the video to the appropriate area.

import file

Step 2. Add to project

You need to add the imported file to the track by choosing the "Add to Project" option, or you can drag and place the file to the track as you want.

add to project

Step 3. Export the source file

Now you can click "Export" on the main menu on the top.

export

Step 4. Save as MP4

Under the "Video" tab, choose MP4 as the desired video file format.

add to project

On the right pane, you can edit the file name, customize an output folder and settings, and then click "Export".

add to project

3. Audio Transcoder

Audio Transcoder is an all-in-one music converter. You can use this app to rip audio CDs, convert audio files from one format to another, and edits audio tags. Audio Transcoder has a simple and intuitive interface, and you just click some buttons that you can convert AC3 to MP4.

Pros:

  • Support plenty of video and audio formats, such as AC3, AIFF, MP3, WMA, and more
  • Support batch conversion
  • Support multi-channel audio files

How to Convert AC3 to MP4 Using Audio Transcoder

Step1. Select the audio file that you want to convert

audio transcoder import file

Step 2. Drag the file into the main screen

audio transcoder convert to mp3

Step 3. Click the "Convert" button on the right corner to convert and export your file.

Part 2. How to Convert AC3 to MP4 on Online

CoolUtils File Converters is a powerful format conversion program. This app supports over 1400 file types. No matter what file types you have, this app can convert files for you. Such as PDF, MP4, AC3, DOC, and more. If you are looking for multifunction online file conversion, this app will fit for you.

Pro:

  • Support converting AC3 to MP4
  • Support converting plenty of file formats

How to Convert AC3 to MP4 Using CoolUtils File Converters

Step 1. Click the "Select file" button to import your AC3 file.

coolutils file converters import file

Step 2. Set convert options to select the MP4 file format

coolutils file converters set convert options

Step 3. Click the Download button to export and save your conversion file.

coolutils file converters download file

Part 3. How to Convert AC3 to MP4 on iPhone

Media Converter is a conversion app use on the iPhone. This app allows you to convert all kinds of media formats, such as MP3, MP4, OGG, AVI, WAV, AC3, and more. Using this program, you also can chop/clip a media file or extract the audio to make a ring tone.

Pros:

  • Support converting AC3 to MP4
  • Support cropping and rotating to output video.
  • Support specifying the parameters, including video/audio bit rate, resolution, frame rate, and more

How to Convert AC3 to MP4 Using Media Converter

step 1. Open this app, and import your AC3 file

Step 2. Select MP4 as output file format

Step 3. Click the "Convert" button to convert and export your file.

media converter

Part 4. Conclusion

On this page, we are talking about five programs to help you to convert AC3 to MP4. According to your needs, you can choose the one to fit for you. If you want to convert your AC3 files or have video/audio editing needs, we recommend you to choose EaseUS Video Converter as your first choice.

FAQ About Converting AC3 to MP4

There are some questions about converting AC3 to MP4 if you want to learn more, you can continue reading.

1. What is an AC3 file?

 AC3 file extension is an Audio Codec 3 file. Much like the MP3 format, the AC3 file format uses lossy compression to reduce the overall size of the file. Generally speaking, AC3 has a higher sound quality. The AC3 format is created by Dolby Laboratories and is often the sound format used in movie theaters, video games, and DVDs.

2. Is ac3 better than AAC?

 AAC is a more advanced lossy audio format comparing with AC3. It will produce better audio quality than AC3 with the same bit rate, especially on low bit rates. The main advantage of using AC3 is for backward compatibility on older Dolby Digital equipment.

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