How do I replace the audio in an MP4 file without re-encoding?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Horror Game Menu Looping

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Chapters
00:00 Question
00:47 Accepted answer (Score 46)
01:13 Answer 2 (Score 14)
01:39 Answer 3 (Score 3)
01:59 Answer 4 (Score 0)
02:24 Thank you

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Full question
https://superuser.com/questions/602662/h...

Question links:
[add another audio stream to]: https://superuser.com/questions/53782/ho...
[convert the audio format of]: https://superuser.com/questions/331717/h...
[Journeyman Geek suggested in chat]: http://chat.stackexchange.com/transcript...

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Tags
#windows #audio #mp4 #videoencoding

#avk47