Avidemux+cannot+use+that+file+as+audio+track !new! Jun 2026

Avidemux’s mode hates Variable Bitrate (VBR) MP3 files. When you cut video on keyframes, VBR audio loses sync because the bitrate fluctuates. Avidemux is old-school; it prefers Constant Bitrate (CBR).

The most reliable solution is to strip the audio of its container or heavy metadata using the free command-line tool FFmpeg. This exposes the raw audio track that Avidemux expects. For AAC / M4A Files: avidemux+cannot+use+that+file+as+audio+track

Match sample rate / channels

[Open Video File] ➔ [Audio Menu] ➔ [Select Track] ➔ [Check "Enabled"] ➔ [Choose "Add audio track"] ➔ [Select Your Fixed File] Open your video file in Avidemux. Click in the top menu bar and select Select Track . Avidemux’s mode hates Variable Bitrate (VBR) MP3 files

Which you are trying to save to (e.g., .mp4 , .mkv ) The most reliable solution is to strip the

The process is the same: