.mkv...audio out of sync

Discussion in 'Apple TV and Home Theater' started by MacUser09, Aug 3, 2014.

  1. MacUser09, Aug 3, 2014
    Last edited: Aug 3, 2014

    MacUser09 macrumors regular

    Joined:
    Sep 26, 2009
    Location:
    UK
    #1
    I have an .mkv file in which the audio is slightly out of sync with the video all the way through the movie. I aim to convert to H264 (ATV 3 pre set) for my iTunes Library.

    Can anyone tell me how, and which software I could use to correct this out of sych problem please?

    Should I convert through Handbrake first to H264 before trying to correct? Or do the conversion afterwards?

    Thanks.
     
  2. Alrescha macrumors 68020

    Joined:
    Jan 1, 2008
    #2
    If it is an MKV file, it is likely already h.264 so you probably do not want to use Handbrake. Either MP4Tools or Subler can repackage an MKV into something your Apple TV will handle (there are exceptions, of course).

    To fix the sync problem, use Subler once you have your M4V file and select the audio track. Choose Edit/Offset from the menu and adjust it up or down as needed, then save the file. I find it convenient to use VLC to figure out what the offset should be; you can shift the audio back and forth with the "f" and "g" keys while playing.

    A.
     

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