An AVI file without audio will always lose its charm in most cases. To elevate engagement, we sometimes need to know how to add audio to AVI. This post is devoted to sharing with you some effective ways to help you add audio to AVI file both online and offline. And one-by-one tutorials will also be provided to help you better understand. Just go on and start to edit your AVI video.

add audio to avi

Part 1. Add Audio to AVI in TunesKit AceMovi

A Powerful Software to Add Audio to AVI Video

tuneskit acemovi to add music to avi

TunesKit AceMovi is an advanced video editor which is endowed with ingenious features to help users to edit video files. First and foremost, it is a highly compatible software that supports lots of video formats and devices. So you don't need to worry about whether it can support AVI file format or not. Secondly, with TunesKit AceMovi, you can add audio to AVI file without any issues. AceMovi is such a powerful video editing software that it provides its users with lots of powerful and versatile functions. No matter you want to add music to video, add text to video, or remove the original background music of it, you will be all satisfied with AceMovi. Additionally, you can also crop or split a video, rotate a video, or zoom in on a video. Last but not least, it's also accessible for you to add transitions, mosaic or filter effects to your video files.

Then you might wonder: is it complicated to use this app for it has such a great deal of advanced functions? Don't worry. TunesKit AceMovi always puts its users first. So, it is equipped with an intuitive and easy-to-use interface, which means you won't come across any problems in this regard while editing videos. That's also why I share this program for you to add audio to AVI. With its user-friendly while powerful features, you can easily master how to add audio to AVI.


TunesKit AceMovi Video Editor

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  • Advanced features
  • Rich built-in resources
  • Simple to use
  • Record screen, snapshot, split screen
  • Add audio to AVI video in just a few steps

Easy Steps to Add Audio to AVI

In this part, a step-by-step tutorial will be provided to help you add music to AVI. But before that, please don't forget to check your device to see whether you have installed TunesKit AceMovi. If not, you can go to, download and install the app for a free trial.

Import AVI video to TunesKit AceMovi

import avi file to tuneskit acemovi

You will have three choices:

1. Open AceMovi, click the "Import" button, import AVI video file and then drag it to the timeline.

2. Drag and drop AVI file into the media box directly and then drag it to the timeline.

3. Drag AVI video to the timeline directly.

Detach original music from AVI video (if necessary)

detach audio from avi file

This step is just for those AVI videos with unpleasant original background music. For those AVI files, AceMovi allows you to remove the background audio you don't like. Firstly, move the cursor to the video on the timeline, right-click. And then you will see a pop-up window with some options. Choose "detach audio" and then it's done.

Add audio to AVI file

add audio to avi video

Click the "audio" icon on the left bar and search for the music library. Pick the one you love and then drag it to the timeline. And it is done!

Although there is so much preset musics for you to choose from, you may just want your own songs. Can this be achieved? Yes!

AceMovi also permits you to import local audio from your device. Just as importing AVI video, you can click the "import" button to import the audio and then add it to the timeline or directly drag the local audio to the timeline.

Adjust the audio added to AVI

adjust the audio added to avi

After adding music to AVI video, click on the music and adjust it to better match your need. On the upper right panel, you can adjust the volume of the audio clip. Or you can directly type in the volume. By dragging the markers, you can fade in and fade out the audio.

What's more, if you find the background audio of AVI video contains some background noise, you can use the Denoise feature to filter out the noise so that the audio will be clearer. Additionally, TunesKit AceMovi offers you a built-in equalizer with 6 presets to adjust the frequency of the audio.

Match the audio with AVI video

match the audio with avi video

Sometimes you may not want one song to last the entire video, then you can hover your mouse over the start and the end of the audio track and adjust the length of it. Or you can move the audio track to another place. Then you can add another song to the AVI file for another playing clip.

Export AVI video

export avi video with audio

After finishing the above steps, you can now preview the final video to check if it is OK. Then you can export the video by clicking the "Export" button. Also, you can edit the output name and select the output path as well.

Part 2. Add Audio to AVI File Free Online

Considering some people may just need to add music to AVI one or two times, here I will also tell you how to add audio to AVI file free online. Clideo, is a free online tool to add audio to AVI file. The steps of it are as follows:

Step 1. Open and click "choose file".

Step 2. Import AVI video file to this free online tool. You can upload your local AVI video to Clideo or you can paste the URL of the AVI video online.

import avi video to clideo

Step 3. Import and add the audio file. As we can see, Clideo doesn't provide a built-in music library. So, you need to upload your audio file to it by hitting "add audio" or pasting the URL of the audio file. Then the audio will be automatically added to the AVI video.

add audio to avi video file free online

Step 4. Adjust the audio. You can adjust the volume of the audio track by dragging the slider. Or you can trim the audio and set the start time of the audio with Clideo.

adjust the audio in clideo

Step 5. Once finished your edit, click the "export" button. Small tips: at last, remember to set the output format as AVI, or it won't be an AVI file.

Something needs to be noticed here. Although Clideo can support you add audio to AVI video file free online, it indeed owns some drawbacks: only support files smaller than 500M; no preset audio resource; limited adjustments available; some kind slow to export; with watermark.

Part 3. What is AVI

Bonus tips! In this part, I will introduce to you what is AVI.

what is an avi file

What is an AVI file? It is a video file saved in the Audio Video Interleave (AVI) multimedia container format. This format was introduced in 1992 by Microsoft. It can be used to store high-quality video as well as audio data. That's why AVI file format is still commonly used today and a large number of video players can support AVI format.

Part 4. Final Words

Believe that now you have a better understanding of how to add audio to AVI file. Two tools and their operating steps are given unreservedly. Now you can pick the one that matches your requirements most and start to add music to AVI. Looking forward to your marvelous AVI videos!