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How to Add Audio to Video or Replace Audio in a Video File

Wondershare Editor

May 21,2015 13:42 pm / Posted by to Basic Editing Tip


The audio or music of video can have a dramatic effect on our perception of a video – no matter whether it’s a home movie, a commercial, or a video presentation. But what if all you have is silent footage or with just crackled and distorted audio file that needs to be replaced?

To solve this problem, I humbly recommend Wondershare Filmora (originally Wondershare Video Editor). With it, you can easily add audio to video, or replace the original audio track (stream) with a new audio file or voiceover. Now see the easy steps to add audio to video files or replace the orignal audio track.

Software You Need: Wondershare Filmora (originally Wondershare Video Editor)

wondershare video editor

Wondershare Filmora (originally Wondershare Video Editor)

  • User-friendly interface enables you to easily edit your videos;
  • Supports almost any video and audio formats (including WMV,MOV,FLV,MTS,etc);
  • Convenient to add audio to video without quality loss;
  • Export the edited video in different ways;
  • Supported OS: Windows (Windows 8 included) & Mac OS X (above 10.6).

Download Win Version Download Mac Version

Add audio and video files to the program

Add audio and video files to the program

After downloaded and installed Wondershare Filmora (originally Wondershare Video Editor), you can either click Import on the primary windows and select audio and video files from your computer, or simply drag and drop audio and video files to the User's Album.


Add audio file to video

Add audio file to video<

Drag the audio and video files from User's Album and place them on the respective tracks of the Timeline. This way, the audio file(s) will be merged into the video. Note that the original audio track will be kept.


Add voiceover to video

Add voiceover to video<

Instead of adding music to video, you can also add voiceover to video. It's a fun way to add narration or complementary audio to video. To do so, just click the Record button on the toolbar above Timeline, the Record dialog will appear. Click the red Record button and you can start to talk in 3 seconds. The voiceover will be added to User's Album as well as Timeline when completed.


Replace audio track of video

Replace audio track of video

This is similar to add audio to video. Just an extra step is required: delete the video. To do so, right click the video you want to replace audio in it, and select Audio Detach. After that, delete the audio file from the track. As described above, you can then drag and drop a new audio file from User's Album to Audio track.


Adjust the audio file (optional)

Adjust the audio file (optional)<

A variety of audio editing tools are available: set volume, speed up, slow down, change pitch and add fade in/out effect. To change the settings, just double click the audio file on the timeline and drag the slide bar. Hit "Return" to confirm the settings and go back to the main interface.


Adjust the audio file (optional)

Export video with new audio track<

When all is ready, click "Create" and select "Format". From the list, choose any format you want as the output format. If necessary, also change the advanced settings. Finally, click "Create" button to export a new video file to the specified folder on computer. Besides export video your computer, you can also create video for devices like the iPhone, iPad, iPod, directly upload video to YouTube, or burn to DVD for playing on TV. All in one video editor, no extra software required.

Download Win Version Download Mac Version


Video Tutorial: How to Add or Replace Audio of Your Video


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