iPhone Audio Problem
Sync iPhone Video and Audio in A Simple Click

Quick Fixes to Common iPhone Video Audio Out of Sync Problems
By Gabriel Coleman Updated: October 18, 2018

There are different types of iPhone out-of-sync audio problems. Reasons for iPhone sound issues may vary, and sometimes it's hard to identify the cause. Here's the good news: VideoProc offers a straight-forward solution thanks to its Force A/V Sync feature. Read on for more detailed iPhone video audio out of sync troubleshooting methodology and make the "problem-solving process" easy and quick.

Solve Desynchronized Image and Sound on iPhone
VideoProc Makes It Super Easy!
Step 1: Download VideoProc and run it on your computer. Click the Video button to show the Video window. Click the + Video icon at the top toolbar, and choose the source iPhone video file to process.
Step 2: Click the Rotate icon. The Force A/V Sync option can be found under the Playback Speed slider bar at the bottom of the window. Select it and click the Done button to make it valid.
Step 3: Click the RUN button to start processing syncing iPhone video with audio. That's it. It also works for GoPro video and sound not sync.
solve GoPro video audio out of sync issue

Common iPhone Audio Video Desync Issues and How to Fix Them

1. iPhone Video Audio Out Of Sync in iMovie, FCP, Adobe Premiere Pro, etc.

The source videos shot on iPhone play well. However, when editing in iMovie, Final Cut Pro, Adobe Premiere Pro, or other easy video editing tools, the sound is not in time with the video. The frame rate can cause the issue. Videos captured by iPhone use Variable Frame Rate. Most video editors like iMovie, Final Cut Pro, Adobe Premiere Pro only support constant frame rate or have poor handling of Variable Frame Rate. This may lead to an audio sync issue and choppy video playback. To fix the issue, you can convert your iPhone footages from Variable Frame Rate to Constant Frame Rate using VideoProc.

Note: The 12.0.1 update for Premiere Pro CC 2018 adds support for Variable Frame Rate.

Step 1: Click the Video button, and select your source iPhone clip by clicking the + Video icon.

Step 2: On the Target Format section, select a format you want to keep for the video from the list.

Step 3: Click the blue RUN button to start processing your iPhone footages. Without any further ado, your iPhone videos will be changed from Variable Frame Rate to Constant Frame Rate by default.

solve GoPro video audio out of sync issue

2. iPhone Recorded Video Not Being In Sync with the Audio

It's disappointing that the sound of the recording on iPhone plays ahead of or slower than the image, no matter you play it in the Camera app, Photos app or download the footage to Mac/PC. It could happen to videos at 720p, 1080p, or 4K UHD.

● Restarting the iPhone resolves the issue for some time.

● Try toggling Bluetooth off before recording.

● Use VideoProc to easily sync video and audio captured by iPhone in a click.

3. YouTube, Instagram, and Netflix Audio Out of Sync on iPhone

When using apps to watch YouTube, Instagram, Netflix or other streaming videos on iPhone, some of you may experience picture and sound sync problems.

● Many users said the issue only occurs when using Bluetooth headphones. Take the headphones off.

● Fast forward or reverse, and replay the video. Sometimes, it works for desynchronized video and audio.

● Close the video and reopen it on your iPhone.

● Restart your iPhone. A simple restart always does the trick.

4. iPhone AirPods Sound Lag

Many iPhone users reported audio delay with Apple AirPods and Bluetooth headphones. It's OK if you use AirPods to playing audio music. But if you use AirPods for games and YouTube video streaming, it may be painful. Use tips below to solve AirPods audio delay problem.

● Unpair AirPods and then pair with iPhone to see if the issue is gone.

● Shut down other applications using audio.

● Reset AirPods to Factory Default. This should make AirPods work properly.

● Try resetting your iPhone to fix AirPods audio delay.

● Go to the Apple Store or the third-party retailer to repair or replace your AirPods.

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ABOUT THE AUTHOR
Gabriel Coleman

Gabriel is a technical editor with several years of writing experience. Gabriel covers video processing, post-production, hardware, Windows, Apple's Macs, iPhones, iPads, and all kinds of technology topics. He loves collecting cool gadgets and trying new things like virtual reality, drones, 8K TVs and the latest 4K games. He also has interests in reading, photography, climbing, scuba diving, and tennis.

Aiming to be the leading digital media company, Digiarty Software, Inc. is dedicated to providing professional and innovative multimedia software for all Windows and Mac users.

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