Quickly Offset & Re-Sync Audio in VLC by Pressing F and G Keys

Oct 7, 2009 - 1 Comment

VLC

Have you ever received a movie or video file where the audio and video isn’t synced correctly? This is most obvious when you’re watching people talk, where the lip movements don’t match up with the audio track.

Thanks to a handy capability in VLC, you can quickly sync audio to video in VLC by using key presses. This is incredibly useful to offset the audio on a video or movie if you find the audio and video tracks are not aligned correctly.

This is a pretty simple trick, though it’s not obvious if you aren’t super familiar with the ins-and-outs of VLC.

All you need to do to is to start playing the movie, then press the G and F keys to re-sync the audio track to a playing video that is slightly off.

  • Press the “F” key to offset the audio track backwards by 50ms
  • Press the “G” key to offset the audio track forwards by 50ms

Keep pressing either the F or G key to continue offsetting the audio track either forward or backward until it matches with the video.

Let’s say you’re watching a movie or video and the audio track is slightly off, rather than discard the video you can use these keyboard shortcuts to easily re-sync and correct the audio so that the audio and video track are synced properly (you could also off-set the audio so it isn’t synced with the video, but not sure what the purpose of that would be).

If the audio track is way off you can audio desynchronization compensation to fix audio and video syncing issues in the VLC preferences directly, as well as using the aforementioned keystrokes.

This is just one of many great VLC tips to use the video player for.

VLC_icon

VLC is by far one of the best applications to play any movie or videos in, it’s fast, lightweight, cross platform, opens virtually every video format and codec you can think of, and it is completely free.

You can download VLC for Mac here if you don’t already have it, it’s a highly recommended app for watching all sorts of video and movie file formats.

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Posted by: William Pearson in Tips & Tricks

One Comment

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  1. andy says:

    Thanks, that’s excellent, so sick of these youtube videos, seems like about half of them are out of sync.

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