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  1. Member
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    Hi. I would like to know if it is possible to remove the dual audio to several mkv files at the same time without having to do it one by one. Is it possible to do it with mkvtoolnix?
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  2. It depends. Is it always the first or the second audiostream that should be removed? MediaInfo logs help, too.
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  3. Member
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    inviska mkv extract can batch process mkv, though the audio that you want to remove must be at the same position in the mkv files
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  4. Member
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    Originally Posted by flashandpan007 View Post
    It depends. Is it always the first or the second audiostream that should be removed? MediaInfo logs help, too.
    It is always the second audiostream.

    Originally Posted by jan5678 View Post
    inviska mkv extract can batch process mkv, though the audio that you want to remove must be at the same position in the mkv files
    I'm going to try it. Thanks to both of you.
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  5. Member
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    inviska mkv extract extracts the video and audio but then I have to rejoin them one by one and that does not interest me. What I want is that the program can erase the second audiostream of all the mkv without altering the files.
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  6. Member
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    Ah oke you want to remove audio from a mkv and keep the mkv..

    Than you have to use mkvtoolnix or a batch script .

    Some time ago somebody on the forum posted a script to do that, don't remember who though
    anyone ring a bell?

    Maybe this is what you want, but you have to figure it out to use it on your needs
    https://forum.videohelp.com/threads/365907-MKVMERGE-Batch-Muxing-multiple-audio-and-subtitle-tracks
    Last edited by jan5678; 17th May 2019 at 14:49. Reason: added link
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  7. Member Cornucopia's Avatar
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    Should be fairly easily doable in ffmpeg, with a "for %%%" type batch script.

    Scott
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  8. Member
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    I found the solution:

    http://forum.doom9.org/showthread.php?t=162639

    Thank you.
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  9. JFYI: mkvmerge can filter by language. E.g. to keep only English audio:
    Code:
    for %%a in (*.mkv) do mkvmerge -o "output\%%~a" --audio-tracks eng "%%~a"
    (For a batch file. On command-line only use single % instead of double %%)

    It can also be done via MKVToolNixGUI by setting it to
    1. open a new tab for every input file and
    2. enable only wanted audio languages,
    3. set default output path
    4. start multiplexing action for all tabs
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  10. Member
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    Originally Posted by sneaker View Post

    It can also be done via MKVToolNixGUI by setting it to
    1. open a new tab for every input file and
    2. enable only wanted audio languages,
    3. set default output path
    4. start multiplexing action for all tabs

    The method by batch script has failed me to use it with many video files. So I will use MKVToolNixGUI as you say in your comment. Thank you.
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