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

While Avidemux supports many codecs (like MP3 or AAC), it often fails to "mux" (combine) them if they are wrapped in certain containers or have unusual headers.

This is the overwhelming cause of the error. Look at the main Avidemux window. On the left-hand sidebar, you’ll see a section labeled with a dropdown menu. avidemux+cannot+use+that+file+as+audio+track

Instead of dragging and dropping, use the internal menu to map the audio: Select Track While Avidemux supports many codecs (like MP3 or

Make sure you're using the latest version of Avidemux. Visit the official website to download the latest version, which may include bug fixes or support for additional audio formats. On the left-hand sidebar, you’ll see a section

The most reliable fix is to convert your audio file into a "clean" version before importing it.

If Avidemux still rejects it

Avidemux sometimes struggles if the audio sample rate doesn't match standard video frequencies. Ensure your audio is set to or 48000 Hz .