Sync-Hole allows you to get the audio and video of QuickTime movies in sync with each other.

Where Sync-Hole excels is with movies that drift in and out of sync, for example if it is in sync at the beginning and end, but not in the middle. Sync-Hole can stretch parts of the video track to realign with the audio, while keeping other parts of the movie exactly where they were.

Sync-Hole can also do the simple manipulations that are available from other programs, such as stretch the video track as a whole, or simply slide the audio track back and forth ("offset").

Sync-Hole cannot access any movies that QuickTime cannot. For example, if a movie can't be opened in QuickTime, it can't be opened in Sync-Hole either, and if it can't be edited in QuickTime Pro, it can't be edited by Sync-Hole either (this mainly applies to MPEG-1 and MPEG-2 movies).

To use it, just open a movie, play it until you detect an asynchronism, then tell the app wether you think the video or the audio is ahead, and by how much. Sync-Hole adjusts either the audio offset or the video framerate to compensate. Then you set an "anchor" before and after the scene that is synchronized, and move on. Sync-Hole only changes the framerate in between anchors. It is basically a fancy wrapper for the Quicktime Framework function, ScaleTrackSegment. It also allows you to jump forward or back by a certain distance, or to jump to the spot half-way between the two most distant "anchors," to facilitate finding out of sync scenes.

 • Mac OS X 10. 4 Intel
 • Mac OS X 10. 4 PPC
 • Mac OS X 10. 3. 9
 • Mac OS X 10. 3
 • Mac OS X 10. 2
 • Mac OS X 10. 1

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