Avidemux+cannot+use+that+file+as+audio+track !!link!!
Avidemux is picky about formats. If you are trying to add a standalone audio file: Use MP3 or AAC : These are the most reliable. If you have a file, Avidemux might reject it depending on the version. Convert the Audio : Use a tool like VLC Media Player to convert your audio file to a standard MP3 (128kbps or 192kbps) before importing. 2. Use the "Select Track" Method
When you add an external audio track, Avidemux does not want to transcode it on the fly. It wants to the audio stream directly into the output container (MKV, MP4, AVI). For this to work, three conditions must be met: avidemux+cannot+use+that+file+as+audio+track
Go to Format dropdown in the main toolbar and select MKV V2 or MKV . Then try adding your external audio track again. Avidemux is picky about formats
The most common culprit?