There are different kinds of out-of-sync audio problems on an iPhone. You might have trouble with the audio not keeping up with or being faster than the video when editing iPhone videos in Adobe Premiere Pro, recording a game video on an iPhone screen, playing and watching online streaming on YouTube, Instagram, etc.
Why Are the Audio and Video on My iPhone Not in Sync?
Different things can cause sound problems on an iPhone, and sometimes it’s hard to figure out what’s wrong. But based on our research and information gathered from user comments and some iPhone forums, here are some common problems that can cause iPhone video and audio to be out of sync. Check on them now.
iPhone has a variable frame rate, which will be a problem when you use iMovie, Final Cut Pro, Adobe Premiere, etc. to edit video files shot and recorded by iPhone.
Software trouble. It happens when you open an iPhone video in some programs, like the Camera app, the Photos app, or some Windows or Mac players.
DRM and hardware problems, which mostly happen to iPhone-recorded video files, are the main causes.
There was an issue with the network. This happens when you watch streaming videos on YouTube, Instagram, Netflix, HBO, Epix, or other platforms.
Now you may have a general idea of why iPhone video and audio are out of sync. Here are some things you can do to avoid and fix iPhone A/V out-of-sync problems and get it to work. Read on to learn how to fix iPhone video and audio that are out of sync and make the “problem-solving process” easy and quick.
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1. Fix iPhone/IPad Video and Audio that Are out Of Sync in I Movie, Final Cut Pro, and Adobe Premiere
Possible Reason: iPhone’s variable frame rate.
The source videos shot on an iPhone play well. But when editing with iMovie, Final Cut Pro, Adobe Premiere Pro, or other easy video editing programs, the sound is not in sync with the video. Videos that an iPhone takes to use a variable frame rate so that they can be compressed and run better. However, most editors don’t like that the frame rate can change. Even though the latest version of Premiere Pro CC, 12.0.1, adds support for Variable Frame Rates, most other programs, like iMovie, Final Cut Pro, and Lightworks, only support constant frame rates or have trouble with Variable Frame Rates. This is the main reason why an iPhone’s audio and video don’t match up and playback is choppy. To fix the problem, you need to change iPhone footage from Variable Frame Rate to Constant Frame Rate.
Step 1: Click the Video button and choose your source iPhone clip by clicking the + Video icon.
Step 2: In the Target Format section, choose a format you want to keep for the video from the list.
Step 3: Click the blue RUN button to start processing your iPhone footage. Without further ado, your iPhone videos will switch from Variable Frame Rate to Constant Frame Rate by default.
2. Fix iPhone/IPad Videos that Aren’t in Sync with The Audio
Possible Reason: Software Problem
After shooting a video with the iPhone Camera app, users can clearly see dropped frames and out of sync sound. It’s disappointing that the sound of the recording on an iPhone plays faster or slower than the image, no matter if you play it in the Camera app, or the Photos app, or download it to a Mac or PC. It could happen to videos in 720p, 1080p, or 4K UHD.
At the moment, the most likely cause is a software bug, though some users think it may be because of a conflicting Bluetooth. You can upgrade to the latest iOS to avoid iPhone audio sync errors in the future, but how do you get the audio back in sync? Use VideoProc Converter to permanently fix out-of-sync video and audio that was captured by an iPhone with just one click.
Step 1: Freely download and run VideoProc Converter. Click the Video button on the main screen, then click the + Video icon at the top of the toolbar and choose the source iPhone video file. It also fixes problems with GoPro’s video and sounds not being in sync.
Step 2: Click any button on the Edit bar below the video info to get into the editing window. Click the Audio & Video button and find the Force A/V Sync option. Enable the checkbox to fix the iPhone audio and video that aren’t in sync.
3. Fix iPhone/iPad Screen Recording Audio Not in Sync
Possible Reasons: Software Problems, DRM, Hardware Problems
iOS screen recorder is a great feature that lets Apple users record video games, walkthroughs, and other activities on their iPhone or iPad screens. But the iPhone’s audio delay when recording has caused a lot of trouble for a lot of users. iPhone screen sound errors can be caused by a number of things, such as bugs in iOS 11 versions, limits on recording iTunes and other DRM-protected content, and hardware problems. Now, there is no effective way to fix iPhone screen recorder audio sync problems. Before Apple releases an official fix, you can fix the out-of-sync problem by following the steps in Section 1 and trying other iPhone screen recording methods like VideoProc Converter. It gives you great audio/video quality without annoying things like red bars.
Step 1: Install VideoProc Converter and connect iPhone to Mac with a USB cable.
3. Fix iPhone/iPad Screen Recording Audio Not in Sync
Possible Reasons: Software Problems, DRM, Hardware Problems
iOS screen recorder is a great feature that lets Apple users record video games, walkthroughs, and other activities on their iPhone or iPad screens. But the iPhone’s audio delay when recording has caused a lot of trouble for a lot of users. iPhone screen sound errors can be caused by a number of things, such as bugs in iOS 11 versions, limits on recording iTunes and other DRM-protected content, and hardware problems. Now, there is no effective way to fix iPhone screen recorder audio sync problems. Before Apple releases an official fix, you can fix the out-of-sync problem by following the steps in Section 1 and trying other iPhone screen recording methods like VideoProc Converter. It gives you great audio/video quality without annoying things like red bars.
Step 1: Install VideoProc Converter and connect iPhone to Mac with a USB cable.
4. Fix YouTube, Instagram, and Netflix Audio that Is out Of Sync on I Phone or IPad
Possible Reason: Network problems
When using apps to watch YouTube, Instagram, Netflix, HBO, Epix, or other streaming videos on an iPhone, some of you may have trouble keeping the picture and sound in sync. Except for frozen images, out-of-sync audio, and restarting errors caused by things like Google bugs, networks can be the main problem. The best solution is to download the videos directly to your iPhone.
Step 1: Click Downloader from the main interface, then click the +Add Video button.
Step 2: Copy the URL for the video in question and click Paste URL & Analyze.
Step 3: Select the output resolution and format you want. Then just click Done.
Step 4: Click “Download Now” to start the process, and the videos will be downloaded as-is to your computer.
Many users said the problem only happens when using Bluetooth headphones. Take the headphone off.
Fast forward or backward, and play the video again. Sometimes, it works for video and sound that are out of sync.
Adjust the router’s bands between 2.4 and 5.0.
Reboot your iPhone. A simple restart always solves the problem.
5. Fix iPhone/iPad AirPod sounds lagging
Many iPhone users said that their Apple AirPods and Bluetooth headphones made the sound lag. It’s okay to use AirPods to play audio and music. But if you use AirPods to play games and watch YouTube videos, it may be painful. Use the tips below to fix the AirPods’ audio delay problem.
Unpair the AirPods and then pair them with the iPhone to see if the problem is gone.
Stop any other apps that are using audio.
Reset AirPods to the factory settings. This should make the AirPods work properly.
Try resetting your iPhone to fix the AirPods audio delay.
Go to the Apple Store or the third-party store to repair or replace your AirPods.
