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

instead. It is far more robust for multiplexing audio and video than Avidemux. Step-by-Step Troubleshooting Guide 1. Verify File Compatibility Avidemux often struggles with compressed formats like AAC, M4A, or variable bitrate MP3s when imported as external tracks. .m4a, .wma, or .flac. Preferred: .wav (PCM) or .mp3 (Constant Bitrate). 2. How to "Fix" the Audio File

ffmpeg -i video.mp4 -i audio.wav -c:v copy -c:a aac output.mp4 : Keeps the video quality identical. avidemux+cannot+use+that+file+as+audio+track

The "Cannot use that file as audio track" error in Avidemux typically occurs when you're trying to add an audio file to your video project, but Avidemux is unable to read or recognize the audio file. instead

Use to replace the audio:

: A file ending in .m4a is not a raw AAC audio track; it is an Apple MP4 container holding an AAC track. Avidemux cannot invoke its demuxers on external files that are wrapped inside these containers. Why it happens

Here is a quick guide to understanding why this happens and how to fix it. Why it happens