Avidemux Cannot Use That File As Audio Track

Do not re-encode unless needed—just change the container.

If you’ve spent time editing videos with (the beloved, lightweight, open-source video editor), you’ve likely encountered a sudden, cryptic roadblock. You load a video file for cutting or filtering, or you try to add an external audio track, and the program stops you with the red alert: avidemux cannot use that file as audio track

To fix the problem, we first need to understand the philosophy of Avidemux. Unlike professional non-linear editors (NLEs) like Adobe Premiere or DaVinci Resolve, Avidemux is designed primarily as a . It is built for cutting, filtering, and encoding video streams. Do not re-encode unless needed—just change the container

But that’s often limited. Instead, add the official PPA: open-source video editor)