Avidemux Cannot Use That File As Audio Track

When encountering the issue "Avidemux cannot use that file as audio track," there are several potential reasons and solutions to consider:

The error is almost always a metadata or bitrate formatting issue. By converting your audio to a Constant Bitrate (CBR) format or forcing Avidemux to re-encode the audio (rather than using "Copy" mode), you can usually resolve the conflict in seconds. avidemux cannot use that file as audio track

This is the culprit in 80% of cases. If your video is in an but you are trying to add an MP3 audio track , Avidemux will often refuse. Why? The MP4 specification strongly prefers AAC audio. While some players accept MP3-in-MP4, Avidemux adheres strictly to standards. When encountering the issue "Avidemux cannot use that