[upd] | Avidemux+cannot+use+that+file+as+audio+track

Unlike traditional video editors, Avidemux operates primarily as a fast multiplexer (muxer) and demuxer. It does not feature a heavy internal audio engine to unpack compressed container formats.

Drag your video file and your audio file ( .m4a , .ogg , or .mp3 ) directly into the window. avidemux+cannot+use+that+file+as+audio+track

If your file is already an MP3 and it still fails, specialized metadata is likely confusing the software's indexer. If your file is already an MP3 and

Older versions have known bugs with external audio tracks. Ensure you are using the latest stable release from the official Avidemux site to prep your files for Avidemux? How to add audio to video with VLC and Avidemux How to add audio to video with VLC

ffmpeg -i your_audio.flac -c:a libmp3lame -q:a 2 output_audio.mp3

# To extract raw AAC from an M4A container ffmpeg -i input.m4a -acodec copy -bsf:a aac_adtstoasc output.aac Use code with caution. Copied to clipboard 3. Adjust Metadata