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Topic: Extract Audio From Matroska MKV File (Read 11307 times) previous topic - next topic
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Extract Audio From Matroska MKV File

Does anyone know how to extract audio from a mkv file?  I have a mp4 audio file in there and I want extract it.  But each time I do I am unable to play the file back.

Thanks

Extract Audio From Matroska MKV File

Reply #1 –
Quote
Does anyone know how to extract audio from a mkv file?
Yes, but...
Quote
I have a mp4 audio file in there and I want extract it.  But each time I do I am unable to play the file back.
I think it should be aac inside the mkv, not a mp4.


Anyways, what you want to do is download and install mkvtoolnix.  You want to use mkvextract.exe, which unfortunatly doesn't have a gui. But it should be pretty easy. If your mkv file is just plain video + audio, the command line will almost certianly be
Code: [Select]
mkvextract tracks "yourmovie.mkv" 2:audio.aac

If you have a file with more than two tracks, read the help. In the doc directory there is a good manual that shows how to use mkvextract for more complicated tasks.

Extract Audio From Matroska MKV File

Reply #2 –
Thanks I'll try that

I did try that commandline script before but it would not playback in fb2k.  The only difference between your example and what I typed in was the number before the audio track file name.  I typed in 1:audio.aac

will that mess things up?

Thanks

Extract Audio From Matroska MKV File

Reply #3 –
Quote
Thanks I'll try that

I did try that commandline script before but it would not playback in fb2k.  The only difference between your example and what I typed in was the number before the audio track file name.  I typed in 1:audio.aac

will that mess things up?

Thanks
[a href="index.php?act=findpost&pid=317146"][{POST_SNAPBACK}][/a]


First track usually is video.
fb2k 0.9 beta 13.

Extract Audio From Matroska MKV File

Reply #4 –
There is a GUI for mkvextract :

http://corecodec.org/projects/mkvextractgui/

It's just, we usually dont advertise it too much to prevent people from converting our beloved container files into something else  .....

Christian
matroska project admin

Extract Audio From Matroska MKV File

Reply #5 –
mixderax - Thanks, that was exactly the problem, I was extracting the video without realizing it and extracting it as audio.aac!

ChristianHJW - That gui is gonna make my life so much easier!  Thanks

Extract Audio From Matroska MKV File

Reply #6 –
Quote
ChristianHJW - That gui is gonna make my life so much easier!  Thanks
... noooooooo, oh my god, what have i done  ....

Extract Audio From Matroska MKV File

Reply #7 –
lol