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

Use Avidemux project settings correctly

Go to Audio → Main Track → External Track , then choose Copy or Convert to PCM (not “Copy” if using MP3/AAC externally). avidemux+cannot+use+that+file+as+audio+track

Go to Edit > Preferences and click Reset Settings . Close and reopen Avidemux. This clears any lingering configuration issues. Use Avidemux project settings correctly Go to Audio

Non-standard rates (like 22050 Hz) can trigger the "cannot use" error. 3. Strip Metadata This clears any lingering configuration issues

The error message "Cannot use that file as audio track" in Avidemux typically occurs because the software cannot decode the specific audio format or the file lacks a valid header for external synchronization.

If yes, the problem was a codec mismatch. You can now change Audio Output from PCM to Copy or MP3 and test again to find the optimal setting.