How to Fix Audio Video Sync in MP4 Video?

There are few things that are more aggravating than anything else. Trying to watch your favorite MP4 movie whose audio/video is delayed for one second! Here’s a quick fix for the problem using the most reliable tool for both Windows and Mac users.

Common synchronization issues on MP4 file


Q: "I have a MP4 file that I recorded using my camera. But it is running out of sync issues. How to overcome this problem easily? I mean I spent a lot of time recording a video and don’t want to waste more time!"

We can understand how terrible it would be when your favorite video is troubling! So, what can be done to repair sync problems of MP4 file?

Fortunately, our team of Remo offers the most powerful solution for fixing MP4 - Remo Repair Application for MOV. All you need to do is just provide a healthy MP4 file along with a video that is troubling you. Then follow the on-screen instructions. Follow this step-by-step guide and easily fix MP4 sync problems instantly by yourself within few minutes.

3 Steps: Repairing audio/video out of sync in MP4


Download and install the free version of Remo MOV Repair Software, follow the simple steps and resolve sync issues on MP4 file, even if it caused due to accessing with incompatible players, incorrect file conversion, etc.

  • Launch the toolkit after downloading and installing. It is also workable on the latest Windows 10 as well as Mac OS Sierra. Provide healthy MP4 video for reference along with damaged file
  • Click on “Repair” button - It will begin the repair process
  • You can view the repaired video using “Preview” option and then purchase the license key and save the file at any location of your choice

You can see now, the video and audio sync issue has been solved after video repair process. It is the Remo MOV Repair Tool that helped in resolving the problem. Also, you can repair the video that has only audio sync or video sync issue.

Plus, you can do more things with this software


  • As the name itself indicate, the software repairs MOV file that has been damaged, running out of sync, throwing errors, etc.
  • Fixes videos (MP4 and MOV) damaged due to header corruption
  • Large sized .mp4 or .mov files that are corrupted will also be repaired
  • Helps in fixing damaged QuickTime file and other files that refuses to play on VLC, Windows Media Player etc.
  • It supports video codecs such as avc1, mp4v, mjpeg and audio codecs such as sowt, RAW, mp4a
  • Designed for both Windows and Mac users

What’s more, the program will repair video that is recorded using Nikon, Sony, Canon, GoPro, and many other camera brands.

Supported Windows operating systems: Windows 10, Windows 8, Windows 7, Windows XP, Windows Vista, Windows Server 2003, 2008, and 2012.

Supported Mac operating systems: Mac OS X 10.5 (Leopard), Mac OS X 10.6 (Snow Leopard), Mac OS X 10.7 (Lion), Mac OS X 10.8 (Mountain Lion), Mac OS X 10.9 (Mavericks), Mac OS X 10.10 (Yosemite), Mac OS X 10.11 (El Capitan) and Mac OS X 10.12 (Sierra).

Finally, the advices are:


  • Out of sync issues are generally associated with videos that are downloaded from websites that are not trusted; therefore, avoid downloading files from pirated and other untrustworthy sites
  • Choose appropriate players for playing the videos