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View Full Version : How do I mux mp4 video and mp3 audio?


neo squidward
7th February 2006, 09:28
How do I mux mp4 video and mp3 audio into a single file.
MP4box crashes when I try to add a mp3 audio stream.

bond
7th February 2006, 10:30
mp4box shouldnt crash. can you upload a small sample of this mp3 somewhere showing the problem

moved

gte024h
8th February 2006, 05:16
Make sure your MP4 video file is the first file added, then add the MP3 audio file.

If you are using the command line, your command should look something like:

MP4Box.exe -add "video.mp4" -add "audio.mp3" -out "output file.mp4"

If you get it backwards and add the MP3 audio file first it doesn't work (at least for me).