Sometimes a video player needs too much time for preparing the images in comparison to the sound and you will loose lip synchronization. With this operation you can shift the audio (and subtitle) stream in relation to the video stream:
It's possible to shift in both directions in any distance, and subtitles in separate streams will be shifted too.
Viewing the results
After the processing has finished you can use either the buttons in the 'Processed Files' list or the buttons with green background here in the grid to do something with the result.