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  1. ArishR
    Join Date
    Dec 2017
    Location
    Netherlands
    Search PM
    Hello,

    I have two mp4 files. One video and the other an audio track. How can I mux this without quality loss?

    Thanks in advance!
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  2. Member
    Join Date
    Aug 2013
    Location
    Central Germany
    Search PM
    You can use an MP4 multiplexer like MP4Box or L-SMASH. Both are command line tools; if you prefer a GUI for easier handling, there are a few for MP4Box (like YAMB or the MP4 muxer tool inside MeGUI).
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