How can I delay the audio (relative to the video stream) in an MP4 movie file and save the result?

  • Please tell us what exactly do you mean by "delay the audio"? (OS version would help too) – Martin Marconcini Apr 3 '11 at 11:55
  • Tried to make the question more clear. Why does OS version matter? – Ove S Apr 3 '11 at 16:12
  • OS version matters because you'd be surprised at the number of questions that come from users using Windows and stuff like that. It happens. – Martin Marconcini Apr 3 '11 at 20:36
  • Ah, ok. Thought you were talking about mp4 Audio Files. Thanks for the editing your question. Deleted my answer. – moonglum Apr 4 '11 at 8:24

You may use the free app QTSync which supports this feature.

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VLC supports audio delay and re-encoding.

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You can use some tools listed here it help you http://techhowdy.com/mp4-to-mp3-converter-online/

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