AVI Video Audio Out of Sync Mac

Fix AVI File Audio-Video Sync Problems

"I have observed that few AVI videos which I downloaded from Internet have out of sync audio in .avi files. Everything works fine when the video is played but after mere seconds as the AVI video continues to play, the audio and videos tracks play somewhat peculiar building up a worsening disparity as the video goes on. Could anyone suggest me an efficient solution on how to fix out of sync audio in AVI files? Thanks!"

A multimedia file format AVI stands as Audio video interleaved, is widely used video file to save and play multimedia movies and various video clipping that is compatible on different devices. It is very easy to download with excellent photo quality hence most of the sites on web save the movies in AVI file format. Anyhow, there are certain factors related to .avi files due to which various problems arises while playing video. One such scenario is AVI do not play due to errors in audio-video synchronization as said above.

Synchronization of audio-video in AVI:

AVI video file is a multimedia container format used for saving two different streams for both audio and video onto a single file. When this AVI movie is played, the audio and video sync its data together to makes them more beautiful and effective than other video file types. However, due to unfamiliar reasons .avi file goes out of sync, which means the sound of a video will be delayed or push forward than the movie or vice-versa. Such syncing issue while watching your movie clip really make anyone annoyed.

Synchronization problems with AVI video:

Generally there are two types of syncing problems in AVI movie as mentioned below:

  • Type 1: In this case, AVI file will be out of sync right from the starting till the end of the movie; Either sound comes first or video comes first but both audio and video do not play simultaneously.
  • Type 2: When AVI file is played it goes fine but as the movie progresses, synchronization will not be proper between audio and video and gets worse.

Some common scenarios behind these sync problems:

  • Incomplete download: Improper download of AVI movie file due to network error like slow internet connection from internet may result in out of sync issue.
  • Usage of wrong multimedia player: If you upgrade the player version or Mac OS X, the old Codec of the file will not be supported anymore on this upgraded computer. Therefore, the video clip may play either only audio or video.
  • Incomplete file transfer: Any issue like CRC error while sharing AVI file over the network may cause syncing problem in audio and video streams of .avi file.

Whatever might be the reason behind these audio-video sync error in AVI, there are ways to overcome these problems.

Simple way to resolve audio – video sync problems of AVI video:

Remo Repair AVI is amongst the most reliable and affordable tool which fixes all the synchronization errors in AVI audio file. The program is filled with powerful automated algorithms to scan deeply and fix irregularities of different video file formats such as AVI, XVID and DIVX that are out of sync and created on various types of devices. You can as well use it to fix no AVI audio in Mac. Even the toolkit is capable of repairing AVI videos that is corrupted or broken in relatively easy way on computers having Mac OS X 10.6 (64-bit), Lion 10.7 (64-bit), Mountain Lion 10.8 (64-bit) and Mavericks 10.9 (64-bit).


Steps in Mac fix AVI audio sync errors using Remo Repair AVI tool:

Step 1: Download and install Remo Repair AVI on your Macintosh machine and select the drive that contains the AVI file which have syncing problem and hit "Repair".

Mac Fix AVI Audio Sync - Browse Corrupt AVI File

Figure 1: Browse AVI File

Step 2: Once the fixing process gets over, you can play a portion of the fixed AVI file using "Preview repaired file" option.

How to Fix AVI Audio Sync Mac - Preview Window

Figure 2: Preview AVI Video

Step 3: Save the recovered AVI video file to any storage location using "Save repaired file" option.

AVI Video Audio Out of Sync Mac - Save File

Figure 3: Save Repaired AVI File