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Audio Goes Out of Sync in MKV Files? It's Solved Permanently Below!
Since MKV container is able to combine several tracks into a single files, many users prefer to transcode videos to MKV to retain the multiple audio, video, and subtitle tracks. However, users may be depressed to find that audio drops out of sync in transcoded MKV files, for example, Handbrake output video audio out of sync, or the like. In this case, how can you fix MKV sound sync issue?
Many of you may seek help from VLC player simply by pressing the "j" key on your keyboard to make VLC play the audio track a bit ahead of the video, or tapping the "k" key to get the audio a bit delay the video. A single click increases or decreases the value by 50 milliseconds only. Just shift the audio until you get it spot on.
j - reduce delay (50ms)
k - add delay (50ms)
After you've done, you're able to adjust the audio/video of MKV file so that they're in sync when you're watching it on VLC. However, the bad news is that you cannot save the audio delay, as you close VLC and open the file in another media player, the audio goes back out of sync. To save the audio delay, you need make clear how much shift you need to make audio matched with video in VLC and install MKVToolNix to fix the sound sync issue with the sync value you found in VLC. It sounds too complicated, isn't it?
Why not try an easier way to fix MKV audio and video out of sync permanently? Convert videos to MKV without audio/video out of sync issue by using WinX Video Converter.GET STARTED NOW
WinX HD Video Converter Deluxe is an easy-to-use yet professional video converter, specially designed to convert all kinds of videos to mainstream formats and devices as you desire, such as convert videos to MKV, MP4, AVI, WMV, FLV, iPhone, iPad, Apple TV, Android, game consoles etc. You don't have to install any 3rd-party software, or manually set frame rate and do other settings, everything is optimized without any audio/video out of sync issue.
Download and install the WinX Video Converter on your computer according to the OS you're running, now follow the tutorial to convert MKV videos for troubleshooting MKV audio video out of sync error.
Step 1. Launch the program and click +Video button to import the MKV files with audio video out of sync.
Step 2. After it's loaded, output profiles window pops up automatically. Select an output format and click OK button. You can continue with MKV format through PC General Video > Matroska Video (h264+aac) > OK, or convert MKV to MP4 by General Profiles > MP4 Video (h264+aac)> OK.
Step 3. Click Browse button to set the output destination folder if necessary. Then, tap RUN button to start converting MKV files in a very short time. After then, you can play MKV videos without audio video out of sync issue. If MKV HEVC video and audio are out of sync, refer to troubleshooting tips for fixing HEVC video and audio sync issue.
Note: Thanks to the built-in GPU acceleration technology, WinX HD Video Converter Deluxe will detect and invoke Intel, Nvidia, or AMD graphic cards (if it supports hardware acceleration) in your computer to speed up video conversion up to 47X real time faster.