I'm slowly getting the hang out of the video editing software VirtualDub. I recently ran into troubles with music for a video. The video had a playtime of 14 minutes which meant that I had to merge multiple audio files to reach that playing time. I first tried my luck by merging mp3 files and loading them into VirtualDub, but that turned out to be problematic because of error messages (error initializing audio stream compression). After some investigating I figured out that wav was a much better and accepted format than mp3. The task was clear now. Find a program that can merge mp3 files (the source format of the music) and save the merged single audio file as wav.
The free audio editing software Audacity can do that, and a lot more. For the purpose of this tutorial I'm going to stick to the basics.
Download Audacity from the developer website.
Start Audacity after installation. You can drag and drop audio files like mp3 or wav into the program interface, or use the File > Open dialog to do that. Files that you drag and drop into the interface appear in the same window, audio files that you load via File > Open appear in their own windows.
To merge two music files that you have added to Audacity do the following: Select one of the tracks with a left-click and press Ctrl-A afterwards to select all of it. You can alternatively select only part of the track. I suggest you use the play button to pinpoint the start and end locations of the track.
With the track in the clipboard left click on the location of the other track where you want to paste your music into. If you just want to merge, click the position at the very end of the track and press Ctrl-V to add the music there. You can select any other position if you prefer that.
Repeat that process until you have have all audio files merged in one track. Close all but this one track before selecting File > Export to save the newly merged audio file. You can save the audio as mp3, wav, flac, ac3 and several other formats.
Is there an easier way to merge multiple mp3 files and save them as a single audio wav file? Let me know in the comments.
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