A Full Guide on Fix How to Sync Audio with Video: 4 Tools

You may be playing a video to realize that the audio and video are not synchronized in the version you saved. While the grand soundtrack that sets the mood plays, you're taken to the next scene. Or, when the main character speaks, you realize that the mouth shape and facial close-ups don't match up at all. It's very irritating. We need to find a way to fix this.

How to sync audio with video? In fact, with professional software like VLC Media Player, Adobe Premiere Pro, and Final Cut Pro X at hand, the problem can be solved very quickly. In this article, we will provide a guide to matching audio to video with them. Meanwhile, there is a professional video repair tool that may help you.

Part 1. Tips Before Sync Audio and Video

If the video itself is not playing glitchy, then you can try VLC Media Player, Adobe Premiere Pro, and Final Cut Pro X program to sync audio and video.

1. VLC Media Player supports you to use shortcut keys to change the audio speed. If you're a PC user, try pressing K to slow down and J to speed up; if you're a Mac user, press G to slow down and F to speed up.
2. Adobe Premiere Pro has a Merge Clips option on it, which will help you synchronize audio and video.
3. Sync Clips in Final Cut Pro will synchronize audio and video.

This is just a summary. Let's move on to practical applications.

Part 2. Use VLC

First, let's see how to sync audio with video on your computer with VLC Media Player.

Step 1. Download and install VLC Media Player on your device. Do not forget to check the update and ensure you are using the newest version.

Step 2. Launch VLC Media Player. Click Media > Open File. Then, choose your target video and click Open.

Step 3. Play the video and check to see if the audio is faster or slower.

• On PC

If the audio is faster, you can press the K button on your keyboard to slow down the audio.

If the audio is slower, press the J button to speed up.

• On Mac

You can press the G button to slow down the audio.

To speed up the audio, you should press the F button.

Each time you press a key, the speed of the audio is adjusted in 50-millisecond increments. You can press it multiple times until the audio matches the picture.

Step 4. After completing the adjustments, you'll understand how many milliseconds the track and picture are offset. Now, click Tools > Audio track synchronization and choose Track Synchronization.

Step 5. Set the number of milliseconds for the audio to be slower than the picture. If it's the audio that's faster, then you enter the negative of that number.

Part 3. Use VLC Mobile

If you are using VLC Media Player on your cell phone, please refer to this subsection to sync audio and video.

Step 1. Get the VLC Media Player app on your device. Open it, and you will see all the videos you saved on your phone. Find the one you want to fix.

Step 2. Play the target video and check to see if the audio is ahead or behind.

Step 3. Tap on the video window. The playback controls will appear.

If you are using Android, you will find Audio Delay control under a subtitle icon.

If you are using an iPhone, tap the three-dots icon and choose Playback speed > Audio Delay.

Step 4. Use the settings to adjust the audio delay.

Part 4. Use Adobe Premiere Pro

Now, we bring out another video editing expert, Adobe Premiere Pro. Let’s see how it resyncs audio and video.

Step 1. Open Adobe Premiere Pro and load the video you want to fix.

Step 2. Ensure the video and audio clips are shown on the Project panel. Drag the audio clip to the timeline of the screen. Right-click on it and choose Unlink.

Step 3. Now, you can drag the audio track to adjust the delay. Preview the result to see if the problem has been solved.

Step 4. Right-click on the selected clips and choose Merge Clips.

Step 5. Finish the In Points or Out Points settings. Click OK to keep the change.

Part 5. Use Final Cut Pro X

Final Cut Pro X will be a great assistant for you on the Mac. Here's a guide on how to use it.

Step 1. Open Final Cut Pro X. Select the audio and video you want to adjust. Press Cmd on your keyboard to sync both clips.

Step 2. If a clip appears to be out of synchronization between audio and video, put the clip on the timeline. Right-click on it and choose Detach audio. Now, you can drag the audio clip until it's synchronized with the screen.

Step 3. Click Clip > Synchronize Clips. If you want to customize the synchronization to start at a certain point in time, complete the setup in Starting Timecode. You can also check Use audio for synchronization to have the app synchronize based on the audio waveform.

Finally, click OK.

This app is for Mac computers only. If you are using a PC, try Final Cut Pro X for Windows.

Part 6. Bonus: Best Video Fix Software to Fix Video Audio Problem

If there is a glitch in the video file itself that prevents it from being played properly, try Vidmore Video Fix to help you out. It can fix videos from phones, tablets, computers, USB flash drives, cameras, VCRs, and other devices. After being processed by it, problems such as mute, too low sound, blurred picture, missing part of the clip, etc., in your video can be solved.

Vidmore Video Fix is also relatively easy to use. All you have to do is provide a sample video in the same format as the corrupted video, and it will use the sample video as a blueprint and give you back an intact video file.

Here is how to fix videos with Vidmore Video Fix.

Step 1. Get Vidmore Video Fix on your device.

Step 2. Click the red plus button to add your corrupted video. Then, prepare a sample video in the same format as the broken one. The corrupted video and the sample video should come from the same device. Click the blue plus button to upload the sample video.

Step 3. Click Repair to start fixing your video.

Once it is over, click Preview to check the result. Finally, choose Save to download it.

Part 7. FAQs of How to Sync Sound and Video

Why do streaming audio and video get out of sync?

First, consider whether the network you are connected to is slow and unstable. Try changing to a more stable WiFi. If the platform you are using is lagging, it can also cause this problem. Restart your device and that platform.

How to fix sound delay on TV?

Look at your TV's cable and internet connection to see if it is stable. You can try unplugging it and then plugging it back in. If the problem persists, update your TV's system and restart the TV.

Why is my audio not matching my video on my phone?

There might be an error in your phone's system, or the memory is too full, causing the video not to be loaded properly. Restart your phone and clear the cache. This can quickly help you fix the problem of videos not playing on your iPhone or Android.

Conclusion

How to sync audio with video? This article has all the answers. VLC Media Player, Adobe Premiere Pro, and Final Cut Pro X all have features to solve this problem. Just follow our step-by-step know-how. If you find that the display video itself is at fault, try to repair it with Vidmore Video Fix.