Avidemux+cannot+use+that+file+as+audio+track

Here is a comprehensive guide to understanding why this happens and exactly how to fix it. Why Does This Error Occur?

The clock in Elias’s studio ticked toward 3:00 AM, the rhythmic sound mockingly keeping pace with the pulsing vein in his temple. He was one click away from finishing The Silent Echo , a documentary three years in the making. All he needed to do was mux the final, remastered orchestral score into the video container. avidemux+cannot+use+that+file+as+audio+track

Sometimes, Avidemux simply cannot handle a specific file. It is not a professional audio engineer. If you have spent 20 minutes troubleshooting, consider these alternatives for muxing external audio: Here is a comprehensive guide to understanding why

Run the following command in your terminal or command prompt: ffmpeg -i input_audio.m4a -c:a copy clean_audio.aac He was one click away from finishing The

This error typically appears when attempting to add an external audio file (like MP3, AAC, or WAV) via the Audio > Select Track > Add audio track menu.

Avidemux cannot use audio that is already muxed into a container like .m4a or .mp4 as an external track. It expects the raw stream (e.g., ADTS-encapsulated AAC).

Change the "Audio Output" dropdown to match your external file’s actual codec, or set it to a re-encoding mode.