Set the Video Output to if you only want to change the audio. Save your video using File > Save . Alternative Solutions
Before diving into fixes, it’s crucial to understand how Avidemux handles audio. Unlike professional editors like DaVinci Resolve or Premiere Pro, Avidemux does not perform "on-the-fly" audio transcoding or extensive format negotiation.
ffmpeg -i video.mp4 -i new_audio.mp3 -c:v copy -map 0:v:0 -map 1:a:0 -shortest output.mp4 avidemux cannot use that file as audio track
Now that we've explored the possible causes of the error, let's discuss the solutions:
Avidemux is designed strictly as a video multiplexer (muxer) rather than an all-purpose audio editor. It handles audio tracks differently than standard media players or advanced digital audio workstations. The app will trigger this error due to three primary reasons: 1. Audio Enclosed in a Container (The M4A/AAC Trap) Set the Video Output to if you only want to change the audio
ffmpeg -i input.m4a -c copy output.aac
Before loading external track, set:
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"cannot use that file as audio track" in Avidemux typically occurs because you are trying to import an audio file that is wrapped in a (like .m4a or .mp4) rather than a raw stream Unlike professional editors like DaVinci Resolve or Premiere
Q: Why can't I add an audio file to my Avidemux project? A: The "Avidemux cannot use that file as audio track" error can occur due to incompatible audio formats, corrupted files, or unsupported codecs.