Avidemux+cannot+use+that+file+as+audio+track -

While Avidemux supports many codecs (like MP3 or AAC), it often fails to "mux" (combine) them if they are wrapped in certain containers or have unusual headers.

Method 1: Convert the Audio to a Compatible Format (Recommended)

How to Fix: Avidemux "Cannot Use That File as Audio Track" Avidemux is a popular, free, open-source video editor designed for simple cutting, filtering, and encoding tasks. It is beloved for its speed and straightforward interface. However, users frequently encounter a frustrating error message when attempting to add external audio:

No. FLAC or OGG-encapsulated streams are not supported for external audio tracks. You would need to convert them to uncompressed WAV files first using a tool like flac or FFmpeg. avidemux+cannot+use+that+file+as+audio+track

If you have the audio and video as two separate files, try opening the video first, then go to (though this is primarily for joining files, it can sometimes bypass header checks). 4. The "Muxer" Workaround

This guide details exactly why you are seeing this error and breaks down the most reliable ways to bypass it. Why Is Avidemux Rejecting Your Audio File?

If you receive this error with an .mp3 file, it is often due to tag headers (like ID3v2 or Traktor metadata) embedded at the front of the file. Avidemux misinterprets these metadata blocks as broken audio frame headers with conflicting sample rates, resulting in an immediate rejection. 3. Unsupported Audio Codecs ( .ogg , .wma ) While Avidemux supports many codecs (like MP3 or

Avidemux handles streams inside containers much better than raw, standalone audio files. If you wrap your audio file inside an MKV container, Avidemux can usually read it perfectly.

Some files, particularly MP3s exported from DJ software like Traktor , contain large metadata headers that confuse the Avidemux parser.

For uncompressed audio, Avidemux may reject "Little Endian" PCM in certain containers, preferring "Big Endian" or standard 16-bit WAV files. If you have the audio and video as

I’m trying to replace or add an external audio track in Avidemux, but when I go to Audio → Select Track and choose my file (MP3 or M4A), I get the error:

This error appears when Avidemux can’t import or use the selected audio file as the audio track for your project. Below are concise causes and step-by-step fixes.

The application rejects external audio files due to three primary underlying causes: