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How to Sync Audio to Video in Filmora (Auto & Manual) and Premiere Pro

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Watching a video with out-of-sync audio is frustrating, especially for creators using external microphones or multiple camera angles. Learning how to sync audio to video is a crucial skill. Fortunately, with powerful tools like Filmora and Premiere Pro, achieving perfect video-audio synchronization is easier than ever. This guide covers 5 effective ways to sync audio and video, including Filmora's one-click Auto Audio Sync feature, manual techniques, and third-party plugins.

Part 1: How to Automatically Sync Audio to Video using Filmora's Auto Sync Feature

The Auto Audio Sync feature is a flagship tool within Filmora Video Editor, designed to solve complex synchronization issues with a single click. Unlike manual methods, this intelligent feature automatically analyzes the audio waveforms from your primary high-quality audio file (e.g., from an external microphone) and your video's on-camera audio, then perfectly aligns the clips on the timeline. This is invaluable for content creators, minimizing post-production time and ensuring professional audio and video synchronization instantly. Filmora's robust functionality makes professional editing easy for all skill levels.

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Steps to use Filmora's One-Click Auto Audio Sync Tool:

This tool is best as it gives a perfect result when you try to match your audio files with your video files. For example, you might have a YouTube channel, and you record your audio from a Microphone, your video from a webcam camera, and your screen from your computer. The audio directly from the camera could be a little faint, resulting from the recording being farther from where you are. While the audio from the microphone would give you high-quality audio.

Sync Audio to Video in Filmora

Step 1
Detach the Audio
First, detach the audio file from your screen recording. Right-click on the clip and select Detach Audio to separate the audio from the video.
detach audio in Filmora
Step 2
Arrange Your Timeline Layers
Move the separated audio and the original screen recording back into their normal positions. You should now see three layers in the timeline.
timeline layers in Filmora
Step 3
Sync the Audio and Video
Select both the audio and the related video clips. Right-click and choose Audio Synchronization. Filmora will automatically sync them, eliminating echo and aligning the audio perfectly with the footage.
audio sync in Filmora
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Part 2: How To Manually Sync Audio to Video With Filmora on Mobile Phone

Syncing audio and video manually can be tricky, but Filmora on mobile makes it easier. Follow these steps to align your audio and video for a professional-looking final output.

Step 1
Download, Install, and Sign Up
Download the Filmora mobile app from the App Store or Google Play. Install the app, create a new account, or sign in to begin.
Step 2
Import and Extract Audio
Open Filmora and start a new project. Tap Import to add a video from your phone’s storage. Select the clip on the timeline, swipe through the bottom menu, and tap Extract audio to separate the original sound. Then tap the audio track to delete it.
extract audio from video
Now that the video has no original audio, you can add a higher-quality track. Deselect the video clip and tap Audio from the main menu. Choose Music or Sound FX, or import audio from local files by tapping "Files."
add audio to the video
Step 3
Manually Align the Audio
Drag the audio along the timeline to align it with the video. Use the waveform as a reference to match key moments or noticeable sounds.
sync audio to video filmora mobile
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Part 3: How to Sync Audio to Video in Premiere Pro – Merging Audio and Video

The first way that can help you sync audio and video is merging the two files. You can simply get the media from the folders and this allows you to sync a max of 16 audio files to single video.

Step 1
Merge Audio and Video Automatically
Press Control (Windows) or Command (Mac), then select the two files you want to merge. The Merge Clips menu will appear. Choose the Audio option and click OK.
Sync Audio to Video in Premiere Pro
Step 2
Automatic Sync Processing
Premiere Pro will analyze your video’s audio and compare it with the external audio to find similarities. Within a few minutes, it will generate a new merged clip using the name you assigned in the Merge Clips menu.

Part 4: How to Sync Audio to Video Manually in Premiere Pro

Step 1
Place Files in Timeline Manually
Import your video and audio into the timeline. Stack them loosely without grouping. This is the simplest way to manually sync your audio and video.
Import Files
Step 2
Align Waveform Peaks
If you used a slate/clapper or hand clap, zoom into the timeline and locate the waveform spike. Slide the audio track until the spike aligns with the one in the video track.
Merge Audio Manually
Step 3
Fine-Tune the Sync
Play the clip to test the sync. If adjustment is needed, select the audio file and hold Shift while pressing the left or right arrow key for precise movement.
Finish Sync Audio

Part 5: How to Sync Audio to Video with Plug in

PluralEyes is the next ideal option to work with. It is a plug-in and comes for $200 from Red Giant. When you have the projects like documentaries which include numerous camera angles, PluralEyes easily handles such stuff and make audio and video synchronization easy for you.

Step 1
Import Media to PluralEyes
Open PluralEyes and click Add Media to import your clips. You can also drag and drop the files directly. Then click Synchronize to let the program auto-sync the audio and video.
PluralEyes sync audio
Step 2
Check Sync Results
Synced clips will appear in green, while unsynced clips will show in red as errors. If you see red clips, go to the Sync drop-down menu and select Try Really Hard for a deeper sync process.
Step 3
Export and Import to Premiere Pro
Once everything is fully synced, click Export Timeline. Then drag the exported project into Adobe Premiere Pro to continue editing.

Bonus Tips: How to Record Audio Properly

Nothing is worse than a bad quality audio file. You must have always wanted to keep a high-quality audio file, correct? More than desire, it is a vital thing to have. Hence, to record your audio appropriately, you must have a quality microphone and an audio recorder that should stand out from others. This dual combination is significant in capturing the sound in an excellent quality, and they indeed provide better output than an on-camera microphone.

The audio recorders with a little more price employ XLR cables. On the other hand, some affordable ones make use of the ideal headphone jacks i.e. 1/8" jacks.

You just need to have the right equipment with you when you are looking for the quality output for recording audio files.

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