Fix: Avidemux “Cannot use that file as audio track”

• Use FFmpeg (recommended):

  Happy editing.

  The audio file has a sample rate Avidemux cannot handle

  (Avidemux works best with 44.1 kHz or 48 kHz – 22 kHz or 96 kHz often fail)

  Option 1: Reddit / Forum Style (Helpful & Detailed)

  Avidemux is a powerful, lightweight tool for quick video editing, but it can be picky about external audio sources. If you are trying to add a music bed or a voiceover and hit this wall, it is usually a compatibility issue. 🛠 Quick Fixes 1. Convert to WAV

  16-bit WAV

  Fix: Convert your audio to first (Audacity or ffmpeg). Avidemux hates MP3/M4A as external tracks.

  Select Track

  : He went to the Audio menu and chose Select Track .