Avidemux Cannot Use That File As Audio Track Now

Avidemux works best with:

The "Avidemux cannot use that file as audio track" error is not a bug but a feature of Avidemux's specialized design. It is an excellent tool for simple video cutting and copying, but its audio handling is very strict. By understanding the difference between containers and raw streams, and by pre-processing your audio with FFmpeg or Audacity, you can consistently and successfully add external audio tracks. If your workflow becomes too complex, however, do not hesitate to switch to a tool like Shutter Encoder or MKVToolNix for a more flexible approach.

: Convert them to WAV or MP3 . If you must use AAC, ensure it is exported as a raw ADTS stream rather than an .m4a container.

| Solution | Method | Effectiveness | |----------|--------|----------------| | | Use FFmpeg: ffmpeg -i input.mp3 -ar 48000 -ac 2 output.wav (match video’s sample rate) | Highest | | Force CBR MP3 | ffmpeg -i input.mp3 -b:a 192k -ar 48000 output_cbr.mp3 | Moderate | | Remove leading silence | In Audacity or FFmpeg: ffmpeg -i input.mp3 -ss 0 -acodec copy output_fixed.mp3 | Rarely needed | | Re-encode video’s own audio | Instead of external track, use Avidemux’s “Audio > Select Track” to add from another video. | Workaround |

Here are the most effective solutions, ordered from simplest to most advanced. Solution 1: Convert Audio to CBR MP3 (Most Common Fix)

The most frequent cause is trying to load an or AAC file extracted from a smartphone or music store. Avidemux expects raw audio streams for external tracks.

This comprehensive guide explains why Avidemux rejects specific audio files and provides step-by-step solutions to fix the issue. Why the Error Happens: Core Technical Causes

Avidemux might have issues with certain sampling rates or bit depths.

Even if you have a raw stream, Avidemux only supports a handful of specific codecs. If your audio is in FLAC, Ogg Vorbis, Opus, or any format not on this list, you will see the error.

If your audio file is in an unsupported format, you can convert it to a compatible format using a tool like FFmpeg or an online audio converter.