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  1. Member
    Join Date
    May 2004
    Search Comp PM
    As I do all video library using AC3 5.1 as audio codec, sometimes I extract DTS tracks with Audacity, and then export it as Dolby AC3.

    But today I found a video that has a DTS XLL audio track. After converting it and putting the AC3 audio track back with MKVmerge (the way I always do), I found audio had gone out of sync.

    And it was not the same out of sync on two different videos I tried. One was just 400mS and the other several seconds apart.

    Then I made a complete (video/audio) conversion with Vidcoder, and there was no out of sync.

    Can someone tell me what holds the sync together with that type of DTS codec? I say that because that never happened to me before, and I probably made hundreds of conversions like that, as they save a lot of time.
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  2. There could be gaps in the audio that aren't accounted for when it's extracted (eac3to is the only program I know of that accounts for gaps when extracting).
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