How to Extract Audio from MKV Files?

Author: Kevincy
Publish date
Updated on Jan 19, 2024
How to Extract Audio from MKV
  • DownloadDownload the easy-to-use video and audio processor, and:
  • Step 1. Add multiple MKV files.
  • Step 2. Choose a desired audio format.
  • Step 3. Start extracting audio from MKV files in bulk.
Quick Navigation
1. How to Batch Extract Audio from MKV Files?
2. Alternative Solutions
3. Frequently Asked Questions

Ever wondered how to extract audio from MKV files? Maybe you've got a killer soundtrack trapped in an MKV file, or you want to snag a piece of dialogue from your favorite movie, create a custom ringtone, use audio clips in a presentation, or even remix audio for your creative projects. Whatever your reason, we're here to help you hit the right notes.

How to Batch Extract Audio from MKV Files?

When it comes to extracting audio from MKV files, WonderFox HD Video Converter Factory Pro takes the cake, and here is why:

  • Ease of use: You don't need a PhD in computer science to get the hang of WonderFox. Its user interface is as straightforward as they come, making it a breeze to extract audio from MKV.
  • Simple steps: Extracting audio from any video is as easy as 1-2-3. No convoluted processes or complicated steps.
  • Batch conversion: Got a bunch of MKV files? No problem. WonderFox lets you batch extract audio in one fell swoop.
  • GPU acceleration: Thanks to its hardware acceleration support, WonderFox performs conversions at lightning speed. No more waiting around for your files to convert.
  • Wide range of presets: Regardless of what device or platform you're using, WonderFox has a preset for you.

In short, it's a one-stop-shop for all your conversion needs, allowing you to extract MP3, FLAC, and more from your MKV files. Let's jump in.

Free download Download for Free
Free download Download for Free

Step 1 - Add MKV Files

Install and runInstall and run HD Video Converter Factory Pro and open "Converter" module. Click on "Add Files" or "Add Video Folder" button to import your multiple MKV files. Alternatively, just perform a simple drag-and-drop.

Best MKV Audio Extractor
Best MKV Audio Extractor

Step 2 - Choose an Audio Output Format

Unfold the 500+ output presets by hitting the "Format Profile" on the right side. To extract audio from MKV, go to "Audio" category and choose your desired audio format like MP3, FLAC, and more.

Choose an Audio Output Format
Choose an Audio Output Format

Step 3 - Batch Extract Audio from MKV Files

Choose a location to store the output audio files. Finally, hit "Run" button to start the batch processing at a super-fast speed.

Batch Extract Audio From MKV Files
Batch Extract Audio From MKV Files

Optional - Customize Parameters & Editing

If required, open "Parameter settings" to alter audio bitrate, sample rate, encoder, channel and volume. Click OK to save changes.

In addition, this program is outfitted with a basic editing toolbar, allowing you to cut, split, and join audio files.

Customize Parameters & Editing
Customize Parameters & Editing

Alternative Solutions for Extracting Audio from MKV

While WonderFox HD Video Converter Factory Pro is an excellent choice, there are alternative methods and tools you can explore for extracting audio from MKV files. Let's take a closer look at three popular options:

#1. Using Audacity

Audacity, a free and open-source audio editor, also offers the capability to extract audio from video with the help of the FFmpeg Import/Export Library installed. Here's how you can do it:

  • Download and install Audacity from the Official Website.
  • Launch Audacity and click on "Edit" > "Preferences".
  • Go to the "Libraries" tab and make sure "FFmpeg Import/Export Library" is selected and located. If not, click "Download" button to get it and configure it again.
  • Click on "File" > "Open" to import your MKV file. If you have installed the FFmpeg library correctly, Audacity will scan the MKV file and import the audio-only track.
  • Click on "File" > "Export" > "Export Audio".
  • Rename the output audio file, choose an output format from the drop-down menu.
  • Choose your preferred format options to personalize the output files. Finally, click "Save" to start the conversion process.

Depending on the length and complexity of the audio track, the conversion may take several seconds or minutes.

Extract Audio from MKV Audacity
Extract Audio from MKV Audacity

#2. Using VLC Media Player

VLC Media Player, a versatile multimedia player, can also be used to extract audio from video files including MKV. Follow these steps:

  • Open VLC and go to "Media" > "Convert / Save".
  • Click the "+ Add" button and select the MP3 files you want to convert, then click "Convert / Save".
  • Under "Profile", select MP3, OGG, FLAC, or WAV (CD) option in the drop-down menu.
  • Click the "Wrench" icon to modify sample rate, channel, bit rate, or codec under the "Audio Codec" tab. Then click "Save".
  • Finally, click "Start" to start the conversion.

Note. For batch conversion, you're not allowed to change the destination folder. The converted audio files will be saved in the same location of your source MKV files.

How to Extract Audio from MKV VLC
How to Extract Audio from MKV VLC

#3. Using Online MKV Audio Extractor

If you're looking for a quick and easy solution, online MKV audio extractors like Online-Audio-Converter, Zamzar, and Convertio are a solid choice, allowing you to extract audio from MKV video online. They're simple, straightforward, and don't require any downloads.

Simply open one website through your frequently-used browser, click on "Open/Choose Files" to upload your MKV file. Then select the desired audio format and click "Convert" to get started. Once finished, download the audio file to your local drive.

Online MKV Audio Extractor
Online MKV Audio Extractor
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Enjoy More with the Functional Tool
Enjoy More with the Functional Tool
  • Batch convert MKV to audio like WAV, OGG, MP3, FLAC, M4A, etc.
  • Download music/song/album/mixtape/audiobook from 1000+ sites.
  • Record live music streams, concerts, opera, ASMR, gameplay, etc.
  • Compress large-sized audio files with minimal quality loss.
  • Trim, split, merge audio files without difficulty.
  • Modify audio parameters in an intuitive and handy way.
  • Make unique ringtones, extract audio tracks from video.
  • Make animated GIFs, slideshow, split-screen video & more...
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Free download Download for Free

Frequently Asked Questions

Q1: Is it legal to extract audio from MKV files?

A: It depends on the content of the MKV file and its copyright status. It's always important to respect copyright laws and only extract audio for personal use.

Q2: Are there any limitations on the length of the MKV file for extraction?

A: The extraction process depends on the capabilities of the software or tool you're using. However, most tools do not have specific limitations on the length of the MKV file.

Q3: Do I need an additional plug-in or component to extract audio from MKV files?

A: Audacity indeed needs the "FFmpeg Import/Export Library" to be deployed in "Preferences". If that matters, using a dedicated tool like HD Video Converter Factory Pro, VLC, or online solution can make the process much simpler and more efficient.

Q4: What are the output format options when extracting audio from MKV?

A: Common output formats supported by MKV audio extractors include MP3, FLAC, AAC, WAV, M4A, OGG Vorbis, and more. The WonderFox converter allows extracting to all these formats.

Q5: Why can't some programs extract audio from my MKV files?

A: Some older MKV files used less common codecs. Try updating your software or use a program like WonderFox or VLC that supports a wide range of audio codecs for compatibility.

Final Words

Extracting audio from MKV files doesn't have to be a chore. With the right tools and a bit of know-how, you can liberate your favorite soundtracks, dialogues, or sound effects from the confines of video files. Whether you pick any option, you're well on your way to audio extraction success. So, why not give it a whirl? You might be surprised at how simple it can be. Dive in and start MKV audio extracting today!

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