Alternatively, export as and ensure the Bit Rate Mode is set to Constant . Try importing this new file into Avidemux. Method 2: Remux the Audio and Video using MKVToolNix
The "Cannot use that file as audio track" error in Avidemux is almost always a file compatibility issue. By converting your audio to a standard format like WAV, ensuring proper sample rates, and aligning the audio length, you can resolve the issue and successfully edit your audio tracks. If you are still having trouble,
Avidemux is robust, but it prefers specific audio formats, containers, and configurations. The error usually stems from one of these issues: avidemux cannot use that file as audio track
Drag and drop both your and your external audio file into the "Source files" window.
For a more graphical approach, tools like Audacity (free) or Ocenaudio (free) are excellent choices. Alternatively, export as and ensure the Bit Rate
This rewrites the container headers cleanly. Then try loading fixed.mp3 into Avidemux.
Avidemux is a beloved, free, and open-source video editor, primarily used for simple cutting, filtering, and encoding tasks. Its lightweight nature and non-linear workflow make it a go-to tool for quick edits. However, users frequently encounter a frustrating roadblock: the dreaded red error message at the bottom of the interface: By converting your audio to a standard format
Avidemux supports the MKV (Matroska) container much more flexibly than MP4 or AVI when it comes to audio streams.
Understanding why Avidemux throws this warning helps you avoid it in the future:
ffmpeg -i your_audio_file.flac -acodec pcm_s16le output.wav