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January 17, 2025Let’s suppose you are shooting a video with your smartphone and recording the audio from an external microphone that is not attached to your mobile. In this case, both the audio and video need to be combined to make a perfect match. Doing this is very convenient in the cap cut app.
Pro Tip: Whenever you are shooting a video and audio separately, hit record on both the recordings and clap three times. This will help you match both files in the editing table.
Here are the detailed steps on how to combine audio and video in caput.

Step 1: Create a New Project
- Open Capcut on your mobile or PC and click on “+New Project”.
- Select the file aspect ratio
- Add the media files in the library section
- Read this post to add music in your post.
Step 2: Edit the files
- Add the video file on the timeline and click on Extract to separate its audio.
- Add the external microphone audio file below the video.
- Match both the audios now (original and external mic) by matching the waves and dips.
- The three claps will create a sharp peak in your audio, which will help in matching them.
- Adjust the settings of your audio by increasing or decreasing the volume, using fade-in and fade effects and playing with the tempo/pace of your audio.
- If you are adding any other audio in your project, like a voice-over or any background music, then lower the music’s volume so that it doesn’t create an issue with your vocals.
- To edit with some best features available in the market, use our video editing app.
Step 3: Add More Editing Elements
- Once you have matched the audio and video, add other elements like text, stickers, emojis, memes, transitions, filters
- Trim out the unwanted parts from your video
Step 4: Export your video
- After you are satisfied with the editing, click on Export to render your file.
- Choose a file name, destination folder, resolution, and frame rate for your video.
- Once it’s rendered, please save the file in your gallery or upload it to different social media platforms.
FAQ
Can we combine audio and video in Capcut?
Yes, one can easily match a video’s audio and any external audio in the app by placing both files in a vertical sequence and then matching the waves and dips to combine them.