Avidemux Cannot Use That File As Audio Track -
When encountering the issue "Avidemux cannot use that file as audio track," there are several potential reasons and solutions to consider:
Older versions of Avidemux have known bugs with specific audio headers. Ensuring you are on the latest stable release often resolves codec compatibility issues. avidemux cannot use that file as audio track
If your external audio is already in a compatible format but Avidemux still complains, try creating a "dummy" audio track first. When encountering the issue "Avidemux cannot use that