How To Extract Audio From Video

how to extract audio from video

This tutorial will show you step by step how to extract audio from video in a few different ways using free software and a online audio converter.

You can extract audio (e.g. MP3, WMA, WAV, FLAC, etc.) from any video (e.g. MP4, AVI, MKV, MOV, WMV, MPG, etc.).

Related: How to Remove Audio from Video

How to Extract Sound from Video using VLC

VideoLAN (VLC) website

1. Open VLC.

2. Click on "Media" and choose "Convert / Save".

vlc media player convert save feature

A "Open Media" window will appear.

3. Click on the "Add" button.

open video in vlc

4. Go to the video located on your computer.

5. Select the video.

6. Click on "Open".

7. Click on the "Convert / Save" button located at the bottom.

A "Convert" window will appear.

8. At "Profile", you select a audio format (e.g. MP3).

select audio format in vlc

9. At "Destination", you click on the "Browse" button.

10. Select a location on your computer where you want to save the audio file.

11. At "File name", you enter a name for the audio file.

12. Click on the "Save" button.

13. Click on the "Start" button located at the bottom.

VLC media player will now extract the audio from your video.

How to Extract Sound from Video using Audacity

Audacity website

Note: First you will need to install Audacity on your computer and then install LAME MP3 Library and FFmpeg.

Extract Sound from Video

1. Open Audacity.

2. Click on "File" and choose "Open".

open file in audacity

3. Go to the video located on your computer.

4. Select the video.

5. Click on "Open".

Audacity will now import your video file.

6. When Audacity is finished importing your video file, you click on "File", go to "Save Other" and choose a audio format (e.g. Export as MP3).

select a audio format in audacity

7. Select a location on your computer where you want to save the audio file.

8. At "File name", you enter a name for the audio file.

9. Click on the "Save" button.

10. If the "Edit Metadata Tags" window appears, you just click on the "OK" button.

Audacity will now extract the audio from your video.

How to Extract Sound from Video using FFmpeg

FFmpeg website

Install FFmpeg

1. Go to http://ffmpeg.zeranoe.com/builds/.

2. At "Version", you make sure that the top version is selected (highlighted).

3. At "Architecture", you select the Windows version you have installed on your PC (Windows 32-bit or Windows 64-bit).

4. At "Linking", you make sure that "Static" is selected (highlighted).

5. Click on the "Download Build" button.

6. After the download is finished you will need to unzip the "ffmpeg.zip" file (e.g. ffmpeg-20171123-a60b242-win64-static.zip).

You can use the free file archiver 7-zip for this.

After you unzip the "ffmpeg.zip" file, you will have a folder called something like "ffmpeg-20171123-a60b242-win64-static".

7. Rename the folder to "ffmpeg".

8. Copy or drag the "ffmpeg" folder to the (C:) drive (same drive as where Windows is installed).

(C:) is usually the drive where Windows is installed and where you can find the "Windows", "Program Files" and "Program Files (x86)" folders.

Extract Sound from Video

1. Copy your video into the "bin" folder of FFmpeg (e.g. (C:) > ffmpeg > bin).

If you copy the video file into the "bin" folder, then you don't have to enter the full path to your video file, but only something like video.mp4 or video.mkv.

2. Open Windows Command Prompt.

3. Type the following command and press Enter:

cd\

4. Type the following command and press Enter:

cd ffmpeg

5. Type the following command and press Enter:

cd bin

6. Type the following command and press Enter:

ffmpeg.exe
start ffmpeg on windows

If you see something like the following lines, then it means FFmpeg is working fine and ready to use.

ffmpeg

7. Type the following command and press Enter:

ffmpeg -i video.mp4 -f mp3 -ab 192000 -vn audio.mp3

Command explained:

FFmpeg will now extract the audio from your video.

How to Extract Sound from Video using Online Audio Converter

Note: The maximum file size of a video you can open in Online Audio Converter is 2048 Mb.

1. Go to https://online-audio-converter.com.

2. Click on the "Open files" button.

3. Go to the video located on your computer.

4. Select the video.

5. Click on "Open".

Online Audio Converter will now upload your video.

This may take a while.

The time it takes depends on the file size of your video and the speed of your internet connection.

6. While your video is being uploaded, you can select a audio format (e.g. MP3, WAV, FLAC, etc.).

7. At "Quality", you can select the quality (bitrate) you want (e.g. 128Kbps, 192Kbps, 320Kbps, etc.).

select audio format and quality on online audio converter

8. If you want more options and settings (e.g. bitrate, sample rate, channels, etc.), you click on "Advanced settings".

9. When the video is finished uploading and you're done with the settings, you click on the "Convert" button located at the bottom.

Online Audio Converter will now convert your video file to a audio file.

10. When the conversion is finished, you click on the "Download" button.

Your audio file will now be downloaded and saved on your computer.

Depending on your browser settings, you might need to select a location on your computer (where you want to save the audio file) and then click on the "Save" button.

How to Extract Sound from a MKV Video using MKVToolNix

MKVToolNix is a handy set of free tools to create, alter and inspect MKV video files.

MKVToolNix website

To extract audio from a MKV video file you will also need MKVExtractGUI, which you can download here.

MKVExtractGUI-2 is a MKV track extraction GUI tool that works with MKVToolNix. This tool requires MKVToolNix.

MKVExtractGUI (in combination with MKVToolNix) can be used to demux MKV streams, split video, extract audio and subtitle files from MKV video files.

1. Open MKVExtractGUI.

2. Click on the [...] button located at the right of "Input File".

open mkv video in mkvextractgui

3. Go to the video located on your computer.

4. Select the video.

5. Click on "Open".

6. At "Output Dir", you can view and change the location on your computer where the new audio file will be saved.

7. Check the box of the audio track.

extract audio from mkv using mkvtoolnix and mkvextractgui

Note: Make sure that only the box of the audio track is checked.

8. Click on the "Extract" button.

MKVToolNix and MKVExtractGUI will now extract the audio from your MKV video.

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