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Thread: How to sync mp4 video to mp4 audio track

  1. #1
    Join Date
    Jan 2012
    Posts
    96

    How to sync mp4 video to mp4 audio track

    There are already mp4 video files downloaded. Now I want to sync the multi channel audio with this file separately. For this I have downloaded the YAMB and HANDBRAKE but both are very complicated and confusing. Is there any other options? Is there any software that will take the video from one way, get rid of the audio and add new audio track and save it as new mp4 file?

  2. #2
    Join Date
    Feb 2010
    Posts
    641

    Re: How to sync mp4 video to mp4 audio track

    After much research, I finally found a tool that offers a number of file handles MP4 , and it's free too. The tool is called MP4Box and is part of GPAC free package (Project on Advanced Content). It is a command line tool and is only available as source code. If you're using Windows, make lists in GUI versions of this tool, for example, Yamb (Yet Another MP4Box UI) .

  3. #3
    Join Date
    Feb 2010
    Posts
    533

    Re: How to sync mp4 video to mp4 audio track

    I think the computer is a fair bit to play such videos. Perhaps with the CoreAVC codec or DivX7 can "squeeze" a little more processor than with native codecs KMP, nor I can guarantee you. The mode "Superspeed" you also could help improve performance somewhat (right click -> Advanced Video -> superspeed mode or Alt + F).

  4. #4
    Join Date
    Feb 2010
    Posts
    570

    Re: How to sync mp4 video to mp4 audio track

    I think that it is completely possible to strip the audio with either Audacity otherwise Avidemux. After that you can use the Audacity for editing new audio track. Open the the audio track into Avidemux plus re-compress.

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