Track — Avidemux Cannot Use That File As Audio

If your video project is set to a specific frequency (e.g., 48 kHz) and you attempt to add an audio track with a significantly different or non-standard rate, the software may fail to bridge the gap automatically. How to Fix It Transcode First:

The "Avidemux cannot use that file as audio track" error can usually be resolved by checking and possibly converting your audio file to a compatible format or adjusting settings within Avidemux. If issues persist, consider seeking help from Avidemux forums or communities for more specific advice. avidemux cannot use that file as audio track

If you just need to merge an audio file with a video without re-encoding, MKVToolNix is often more robust for "multiplexing" external tracks into MKV files without these strict format restrictions. Correct Workflow in Avidemux Once you have a compatible raw file (like a .wav ): How to add audio to a muted/silent video with avidemux If your video project is set to a specific frequency (e