Avidemux Cannot Use That File As Audio Track Jun 2026

Replace input.m4a with the name of your input file and output.aac with your desired output filename. This command extracts the audio as a raw AAC stream, which Avidemux can then use.

Summary

This is a common and deeply frustrating issue, especially when you're trying to perform a seemingly simple task. This guide will break down exactly why this happens, the specific quirks of how Avidemux handles audio, and how to fix it permanently. avidemux cannot use that file as audio track

Instead of adding an external track, use (GUI or command line) to merge your video + the external audio into a single MKV. Then open that MKV in Avidemux. Avidemux handles MKV’s internal audio tracks much better than external references. Replace input

If the audio file's sample rate is invalid (e.g., 44.1 kHz vs 48 kHz) or if the audio file is significantly shorter or longer than the video, Avidemux may fail to load it. Solutions: Fixing the Audio Track Error This guide will break down exactly why this