How to Fix Audio Video Sync Problem in MP4?

Updated on April 08, 2022

Interruptions while watching your favorite videos or movies is very frustrating. Regardless of the interruption type, it might be either audio-related or video-related. There are several audio-video related issues like MP4 video audio out of sync issue or uneven audio is one of them. If you are also experiencing this issue and would like to fix audio video sync problems permanently, then keep on reading this post.

Why Does “Audio Video Out of Sync” Occur?

Out-of-sync audio and video issues can be caused by several factors. Although, we are not aware of the actual cause of this problem, so we have to deal with it by following the different solutions provided in this article.

Outdated Drivers: Your computer system may experience audio synchronization issues due to old drivers. The most common reason for video synchronization problems on a Windows system is this. Make sure your system's drivers are updated.

Hardware Glitch: If you have multiple external devices connected to your system, you may not be able to sync audio and video. You have to identify the device causing the issue in order to resolve it.

How To Fix Audio/Video Sync Issue In MP4?

Method 1: Use VLC Player To Fix Audio And Video Sync Issue

use the VLC media player to fix the audio-video sync issue on the MP4 file check out the below steps to proceed:

• First, open the MP4 file that has the audio-video sync issue in VLC and then choose Tools > Track Synchronization. (For Mac users: select Window > Track Synchronization)
• After that, locate the title Audio/Video. In that window, you will get a timer along with up and down arrows just to adjust the audio timing. And here you can see the difference.
• Now use the up arrow when audio is ahead of the video. Here it means that if people are talking in the video but the audio is coming before their lips move then use the up arrow. This will delay the audio and your video will catch up without error.

If the above method doesn’t work out don’t worry, the issue can be fixed at the earliest with Yodot MOV Repair software. This promising software can repair MP4 video and audio sync issues in a matter of minutes. The tool will scan the video file which is having issues and carefully fix the problem. Just go through this guide to easily fix MP4 video audio sync problems with the Yodot MP4 repair tool.

Method 2: Fix Audio/Video Sync to Fix MP4 Audio Video Sync Issue using Yodot Mov repair

Using the Yodot MOV Repair tool is the fastest and easiest way to fix audio video sync issues on MP4 permanently. This tool offers very comprehensive repair features that will restore corrupt MOV, MP4, and M4V videos to their original format. Yodot MOV Repair tool also repairs video files that are corrupt or damaged due to firmware error messages, memory card errors, file transfer errors, file system corruption, OS reinstallation, etc.

Step-By-Step Guide To Fix MP4 Audio Video Sync Problem:

• Download and install the Yodot MOV Repair program on your system.
• Launch the tool and follow the main screen steps to repair the file.
• Browse the MP4 file with audio-video sync issues.
• Click on Repair button to initiate the MP4 file repair process.
• You can Preview the video, soon after the software fixes the audio-video sync MP4.
• Finally, Save the repaired MP4 file to your preferred location.

That’s it! The video repair process is as simple as it can get. Yodot MOV Repair software will safely and quickly fix audio video sync issues in the MP4 video file. Most importantly, it doesn't alter the original video file contents throughout the repair process since it is a read-only tool. Thus the original file is left intact. It is also capable of repairing .mp4 files which have only audio sync or video sync problems.

More About Yodot MOV Repair software:

• Along with fixing MP4 video file problems, the tool also repairs MOV video issues and M4V files.
• The application helps to fix corrupt MP4 video as well broken, unplayable, freezing, and damaged MP4 files.
• Even large-sized M4V, MOV, and MP4 files can be repaired.
• Damaged QuickTime MOV files and also other video files which refuse to play on any media player can be fixed.
• The tool is designed to work on both Windows and Mac OS X operating systems of all versions including the latest Windows 10 and macOS Hgh Sierra respectively.
• Supports all storage devices including HDD, external hard drive, SD card, memory card, USB drive, pen drive, etc.
• Offers a free download edition along with the excellent technical assistance.

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