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

For users who prefer a graphical interface, Audacity is an excellent free tool. It’s particularly useful for editing audio lengths to match your video perfectly.

The most reliable fix is to transcode your audio file into a highly compatible, constant bitrate (CBR) format before importing it into Avidemux. You can use a free tool like or HandBrake , but the fastest way is using Audacity :

Once you have this new file, open it in Avidemux to do your final edits. avidemux+cannot+use+that+file+as+audio+track

The "cannot use that file as audio track" error in Avidemux stems from how the software is built. Unlike full-featured video editors, Avidemux is primarily a tool for simple video cutting, filtering, and re-encoding tasks. Its design philosophy focuses on speed and efficiency with elementary streams.

Ensure the video is opened first, then select the audio track. For users who prefer a graphical interface, Audacity

"cannot use that file as audio track" typically occurs when attempting to add an external audio file that is in an unsupported container or format. This often happens with

Once converted, try loading the new input_audio_fixed.aac file into Avidemux. Method 2: Remux via an MKV Container You can use a free tool like or

When the Metadata window pops up, click to remove all tags and headers.

Save the new file and try importing this new version into Avidemux (). Solution 2: Remux the Audio into an MKV or MP4 Container

Once your file is converted or remuxed, follow these exact steps to add it to your video project without errors:

The error "" in Avidemux typically occurs because the software is highly specific about the containers and formats it accepts for external audio. Unlike standard media players, Avidemux often requires "raw" streams rather than audio wrapped in common containers like MP4. Why This Happens