How to Add Audio Track to an MKV File Quickly?

Quick Navigation

How to Add Audio Track to MKV?

1. Input Source File

2. Select MKV Container

3. Add Audio to MKV

4. Output MKV with Multi-audio Tracks

Wrap-up

FAQs

“How to add new audio to an .mkv video file? I have an .mkv file, and I want to import a new audio track to it without re-encoding the video or losing quality.”

“I have an English language movie in MKV format. I also have the same movie in a different language, but it has a poor quality. What I want is a single video file (having the better quality) with two audio tracks. How can I add another audio track to the .mkv file?”

The Matroska Multimedia Container (MKV) is the perfect distribution format for movies as it can hold various video, audio, or subtitle tracks in one file. When you are not satisfied with the audio track in the MKV movie, you can replace the audio track or add a new one using a video audio processing program. Below, we will provide a powerful tool to help you quickly add an audio track to MKV without video re-encoding (no quality loss). Just read and follow.

How to Add a Second Audio Track to an MKV File?

WonderFox HD Video Converter Factory Pro is a comprehensive application with a lot of useful tools, among which the video editing tool can help you add audio track to video effectively. It can add a single or multiple audio tracks to MKV by rewrapping the audio into the .mkv container without re-encoding the video. Thus, it can export the video fast and won’t affect the video quality. By the way, this tool can be used to extract audio as well as remove audio tracks from MKV.

The steps to add an audio track to MKV are easy. Without further ado, let me show you how to insert an additional audio track into the MKV movie. Download Download the software (free version) to get started.

Note. Make sure that the audio and the video are the exact same length so you don’t have an “audio out of sync” problem.

Step 1. Import MKV into the Program

Launch WonderFox HD Video Converter Factory Pro on your PC and open the “Converter” program. Next, click the center + button to load your MKV file into the task list. You can also drag the source video into the program directly.

Step 2. Select the MKV Output Format

Go to the right side of the program and hit on the format image to open the output format list. Navigate to the “Video” category and choose “MKV” as the output video format.

Tip: You can choose “MP4” which supports multiple audio tracks as well.

Step 3. Add Audio Track to MKV

Now, click the + button after the Audio track option to add a local audio file as the new track. You can also add multiple audio tracks to MKV. Just don’t forget to select the needed audio tracks from the Audio track drop-down menu.

Tip: You are recommended to open “Parameter settings” and keep the audio encoder as the original. For example, if you imported an AAC audio, set the output audio encoder as AAC as well. In this way, you can avoid audio transcoding.

Step 4. Export the Final File

Click the ▼ button at the bottom to set an output folder or leave it as default. Finally, hit “Run” to export the file. It should complete pretty soon as it won’t re-encode the video data.

Hot Search: Remove Audio from MP4, Extract Audio from MP4, Add Subtitles to MP4, Add Subtitles to MKV

Wrap-up

That’s the whole process of how to add an audio track to MKV. Follow the steps and you can also add audio to MP4, WebM, MOV, etc. By the way, with the same tool, you can convert file formats to fix incompatibility issues, compress large videos, download movies and music from websites, record computer screen, and more. Install Install the software and try it out.

That’s all for now. I hope you like this post. Thanks for reading!

FAQs

1. Will adding an audio track to an MKV file affect the video quality?

No, adding an audio track to an MKV file using WonderFox HD Video Converter Factory Pro will not affect the video quality. The software rewraps the audio into the MKV container without re-encoding the video, ensuring that the original video quality is preserved.

2. Can I add multiple audio tracks to an MKV file?

Yes, you can add multiple audio tracks to an MKV file with the help of WonderFox HD Video Converter Factory Pro. Simply follow the steps mentioned in this guide, and when you reach Step 3, click the "+" button to add additional audio files as tracks. You can then select the desired audio tracks from the drop-down menu.

3. Can I add any audio file format as an additional audio track to an MKV file?

Yes, WonderFox HD Video Converter Factory Pro supports a wide range of audio file formats. You can add audio tracks in popular formats such as MP3, AAC, DTS, WAV, and more.