"I have a MKV file with 2 tracks, and I want to delete 1 of them. The reason is I want to play it on the TV with only one audio track."
"I've been trying to remove unneeded audio streams from an MKV file. The reason why I want to do this is to avoid having to manually select the wanted stream in Windows Media Player."
Users from Reddit
Regarding MKV, there is a very vivid metaphor. The video is rice, audio and subtitles are vegetables, and MKV is a bowl, which contains rice and dishes. Now you need to peel the vegetables out, you need to use special tools. Let's continue reading and learn how to extract audio track from MKV files.
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Image board: How to Remove Audio Track from MKV
Part 1. How to Extract Audio from MKV
Method 1. MKVToolNix
MKVToolNix is a set of tool that can create, alter and inspect Matroska files in Windows, Linux and other platforms. Now let's rely on this tool to extract audio from MKV files quickly.
Step 1. Download and Install MKVToolNix to your computer.
Step 2. Gather your files together and opened mkvmergeGUI and loaded the mkv under "Input files".
Step 3. In the "Tracks" window to find the video track, both audio tracks and a subtitle track. Just deselected the subtitle track and the audio track you don't want and clicked "Start muxing".
Image Board: How to Extract Audio from MKV with MKVToolNix
Method 2. Filmora
Filmora is an ultimate video editor for Windows and Mac and it's one of the best MKV editor in the market. Also, it claims to help users extract audio from MKV files. First, you need to download and install Filmora to your computer and upload your MKV files here. Then right click the video clip you want to remove audio and choose "Detach Audio" to separate audio from MKV. Click Delete button to remove unwanted audio track from MKV files.
Image Board: How to Extract Audio from MKV with Filmora
Part 2. How to Add Audio to Video Online
After extract audio track from MKV files, what if you want to add your own audio to video online easily? For this purpose, FlexClip is recommended for you. It's an online video editor which means you don't need to download or install an application to your computer. Even a novice can get it within several minutes.
Step 1. Visit FlexClip video editor and click Start from Scratch to upload your video clips.
Image Board: How to Add Audio to Video Online - Step 1
Step 2. Then click Music icon from the left side bar. Then click Stock Music to use FlexClip's stock media or click Local Music to upload your own audio files.
Image Board: How to Add Audio to Video Online - Step 2
The Bottom Line
That's all for how to extract audio track from MKV files and you can also rely on FlexClip to add audio to videos online for free. Besides, it also offers 1000+ video templates to help you create a video online with ease! Just try it and explore more!