Avidemux Cannot Use That File As Audio Track Here

Before fixing, verify the properties:

On the left-hand sidebar, change "Audio Output" from to MP3 (lame) or AAC (lav) . avidemux cannot use that file as audio track

The error typically occurs because Avidemux requires external audio files to be in a raw stream format rather than a container format . While the software can handle containers like MP4 or MKV for video, it lacks the internal demuxers to unpack external audio tracks stored inside those same containers. Why the Error Occurs Before fixing, verify the properties: On the left-hand