Avidemux+cannot+use+that+file+as+audio+track __hot__ May 2026
The error message " cannot use that file as audio track " in Avidemux typically occurs when the software's demuxer cannot properly parse the external audio file you are trying to add. This often stems from container incompatibility, metadata issues, or outdated software versions. avidemux.org Common Causes & Solutions Container Incompatibility (M4A/MP4/MKV)
Encapsulation Issues: For AAC files, Avidemux specifically requires the audio to be in a raw ADTS or LATM envelope. Standard M4A files from iTunes or Audacity are often rejected for this reason. avidemux+cannot+use+that+file+as+audio+track
- Video → Copy
- Audio → Track 1 → Copy (keep original video audio as placeholder)
- Output format: MP4 Muxer or MKV Muxer
- Save as
temp_video.mkv
Use free tools like Audacity or FFmpeg:
How to Fix "Cannot Use That File as Audio Track" in Avidemux The error message " cannot use that file