Avidemux+cannot+use+that+file+as+audio+track [exclusive] -

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 error message vanished. The jazz track synced perfectly with the flickering film grain on his screen. With a final click of , the project was no longer a collection of incompatible parts—it was a story. New user getting "Cannot use that file as audio track"

Demux the audio from the original container (if it’s inside a video file)

ffmpeg -i input.m4a -acodec copy -bsf:a aac_adtstoasc output.aac Use code with caution. Load the resulting output.aac directly into . Solution 3: Remux Streams Using MKVToolNix avidemux+cannot+use+that+file+as+audio+track

Here’s a useful write‑up explaining the error , why it happens, and how to fix it.

Choose or MP3 as your export format.

"Come on," he whispered to the glowing monitor. "I’ve given you everything. Why won't you take it?" Avidemux’s mode hates Variable Bitrate (VBR) MP3 files

Hi everyone,

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 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 The error message vanished

This is arguably the most powerful and reliable method.

The audio file's technical specs do not match what the video container supports.

(e.g., AAC from some containers, Vorbis, Opus, MP2)

Alternatively, to convert an uncooperative WAV to an Avidemux-friendly MP3: