Syncing Audio in VLC Media Player

Just like syncing subtitles, VLC media player is also great for fixing audio that is not synced. Sometimes, while playing video files, you hear the sound before the actual time or you hear spoken words only after the lips move. This means that the audio is not in sync and you will have to fix the audio delay. This removes the fun of watching a movie if it happens continuously.

Sometimes, the sound syncing is automatically fixed after a few moments. There are times it never gets fixed on its own. Sounds are generally off by only a few milliseconds but at times, they are even off by a few seconds or so. It can be irritating. This tutorial teaches you how you will be able to fix such sound syncing problems using VLC Media Player. The steps are easy and quick. Once you learn the shortcut keys, you will be fixing audio syncing errors like a pro.

To sync audio in VLC Media Player:

  1. Make sure that your video is playing and the audio syncing is incorrect.
  2. If your audio requires to be slowed down then hit the ‘K‘ hotkey from your keyboard. For the opposite of this hit the ‘J‘ hotkey on your keyboard. For Mac, the shortcut keys are ‘G‘ and ‘F‘. Confirmation is displayed on the top-right area of the player’s screen. It fades away quickly.
  3. Pressing the hotkeys once will speed up or slow down the audio by 50 milliseconds. If you continue to press it, the number of milliseconds will continuously be incremented.
  4. Speed up or slow down the sound timing of the video until you reach the desired state. Make sure that the video is playing and listen to the sound carefully and match it with the video to do this.

In VLC for Android

For the complete details: Syncing Sound by Adjusting Audio Delay in VLC for Android

If you are a user of Android’s VLC player then, you will have to access the on-screen interface to fix the Audio delay. Here are the steps:

  • Tap on the screen when a video is open
  • Hit the three button (options) menu
  • Tap on the seventh button from the top
    Audio Delay Button
  • Press Plus (+) or Minus (-) buttons to increase or decrease audio delay
    Audio Delay Options

To save or unsave the audio delay for this particular video while watching it the next time, you’d have to go to tap on ☰ Menu > Settings. Then click on Video under Extra Settings. There check or uncheck the Save audio delay option. It works for individual videos.

Video Tutorial

16 thoughts to “Syncing Audio in VLC Media Player”

  1. My movie has un uniform audio no one knows when to delay and how much to delay after every 10-15 minutes…..plzzz help…

  2. Why VLC dont detect the unsync videos (with audio delay)? I have to use Windows Media Player to know if the audio is unsync to check first before play on TV. Any way to disable the autorrection on audio unsync?

  3. I have videos in various formats (mkv, mp4, avi, etc) where the audio sync is off when I play them in VLC on a Mac mini but the same videos play perfectly on an iMac. I can sync them using the audio tools in VLC but it appears to be a larger problem with either the mini itself or a VLC setting on the mini. The odd thing is, older videos that I copied to the mini weeks ago play fine – its only recent videos copied to the mini that experience the audio problem.

    Any ideas?

  4. I’m having a problem where once I record video from vlc the clip is out of sync but the video was perfectly worked fine it just started happening awhile back

  5. I have a file that has somehow had the video saved at the right speed, but the audio somehow plays too fast, so it starts with matching audio, but then the audio quickly leaves the video behind and the gap becomes greater until finally the audio ends and the video just plays on to the end. To complicate matters vlc is the only program i have that can even open the file. Is there any way of fixing this in vlc? Thanks, and also thanks for making such an amazing program!

    1. VLC won’t be able to do that with perfection. You will need an external editor to extract the audio and then, slow it down or speed it up to match the speed with the video.

      1. I thought this may be the case, but thanks nonetheless.
        Any recommendations on a (preferably free or low cost) candidate on an external (mac) editor?
        Thanks again!

        1. I have quicktime pro, and another quicktime player, mpeg streamclip, divx, nicepayer and even final cut pro, but still vlc is the only one that will open the video…

  6. I’m having an issue on my mac where every time I try syncing the audio for this one file in a series the audio stops all together. I tried it for other files as well and I’m noticing the same result so I’m sure its not the file. What could be the problem?

  7. When I play files with audio that is not synced, VLC autocorrects the problem and I don’t notice the problem. The issue I am facing happens when I stream video to my TV or phone which do not have the autocorrect feature VLC does. Is there a way to check what the correction time VLC is using to sync up the audio properly? I would then be able to open the file up in some video editing software and delay or advance the audio to the same time VLC did to permanently fix the problem.

    1. Hi Eric, I have same problem. Unsync Videos on VLC plays as synced, but in TV plays unsynced. The only way I have to detect that on Windows, is playing the video first on Windows Media Player, Windows Media dont apply a fix on unsync videos, so, thats the way I found before playing on TV.

  8. okay, i know how to sync, how do i save the synced file now?
    when i return to the video after i exited, it’s still out of sync as it was before and i have to do everything over again!

    1. Well, that is it with VLC Media Player. You can fix the sync while playing the video, but it does not save it for ever. VLC is more of a player than a video editor.

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