How to Resolve the Issue that VLC Audio out of Video Sync

November 15, 2021Ashley Mae

As an open-source and free media player, VLC is popular around the world. Better than the built-in media player, VLC supports a wide range of video and audio formats. In another word, users can watch any movie or TV shows offline without extra codec. However, it is not a perfect program and VLC audio delay issue has been bought to our attention. In this article, you will learn how to fix the issue.

Fix VLC Audio Delay

Part 1: How to Fix VLC Audio Delay

Solution 1: Fix VLC Audio Delay with Keyboard Keys

With Keyboard Keys

Once you encounter the audio delay issue in VLC, hold down the K key on your keyboard. By default, it would slow down the audio speed.

If the audio is after the video images, keep pressing the J key. It would speed up the audio playback.

Note: If you have changed the shortcuts, use them to adjust audio in VLC.

Solution 2: Get VLC Audio Sync by Adjustments

Step 1:
To fix VLC audio delay issue, calculate the Audio Delay and Hasten Time.
Step 2:
Click the Show extended settings button at the bottom. Go to the Synchronization tab on the Adjustments and Effects dialog.
Step 3:
Locate the Audio/Video section, and set the correct value in the Audio track synchronization field. The value can be minus too if you intend to speed up to the audio.
Step 4:
Then click the Close button at the bottom to confirm it. Replay the video and check if VLC audio syncs properly.

Solution 3: Fix VLC Audio out of Sync Using Advanced Preferences

Using Advanced Preferences
Step 1:
When audio delay error happens in VLC, go to the Tools menu on the top ribbon and choose the Preferences option. That will open the Advanced Preferences dialog.
Step 2:
Select All under Show settings at the bottom left side. Choose the Audio entity from the left box and you will get all configurations related to audio.
Step 3:
Set the Audio desynchronization compensation based on your situation and click the Save button. If the audio lags 2 seconds, for example, set 2000 in the box.

Part 2: Ultimate Solution to Fix VLC Audio Delay

Although VLC is a popular media player, it is not a good way to fix the audio delay issue, especially for average people. Aiseesoft Video Converter Ultimate, on the other hand, is able to sync audio and video images easily.

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Step 1: Open video
Launch the best alternative to VLC when audio out of video. It is free to download and install during the free-trial. Go to the Toolbox from the top ribbon and choose the Audio Sync option. Click the + icon at upper left side to open the target video.
Step 2: Sync audio
Pull down the Audio Track option and select the delayed track. Then move the Delay option until the audio plays along with the video. You can preview the effect by hitting the Play icon. You can also adjust the volume by the Volume option.
Audio Sync
Step 3: Export video
When you get what you want, write down a new file name, select the output format from Output option and set the destination folder in Save to. Finally, click on the Export button.

Part 3: FAQs about VLC Audio Sync

How to adjust audio delay in VLC on Android?

Open the source video in VLC for Android, tap the screen if the on-screen control is not showing. Tap the second button in the interface and press Audio Delay. Now, you can fix audio delay error by pressing the + or icon.

Why is audio faster than the video?

If you are playing offline video and the audio is faster, the hardware and software performance may be the cause. For online videos, the poor internet connection may be responsible for audio out of sync. Sometimes, it is the error produced by post-production.

How do I fix VLC lag and skip?

If your video playback lags and skips in VLC, you can fix it by disabling hardware acceleration. The second solution is to try another video output module.


It is difficult to fix technical problems, but you can learn how to get rid of audio out of sync in VLC following our solutions. If the common solutions are not working, try Aiseesoft Video Converter Ultimate directly. It allows you to manually adjust the audio track speed and playback. Encounter more problems? Please feel free to leave a message below this post and we will reply on it as quickly as possible.

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