Video and Audio merge with Avidemux
In this tutorial we will show you how to replace the audio of a video with a new audio file. You want to have an additional audio track, for example, as a film music store, you need a video editing program. We will show you in another practical tip on how you Videos with the free Windows Movie Maker to cut and edit. A Video and a audio file together, download the free program Avidemux , download and install it. Open the program and perform the following steps:
- Drag the desired Video and Drag-and-Drop with the mouse in the program.
- Click in the menu bar "Audio" > "main audio track".
- Select "audio source" instead of "Video", the Option "External MP3" or "External WAV", depending on what type of file has the desired audio file.
- Click on "Open" and select the audio file from your PC. Confirm with "OK".
- In the bar on the left of the desired Format of the edited Video. Here you should set the same Format of the original Video in order to avoid a loss of quality.
- Click in the menu bar, click "file" > "Save" > "Video" and save the file to the desired location.
- You can find the finished Video is now at the chosen location on your Computer.

Video and Audio together
On the next page we will show you the three best free video editing programs in the comparison.
