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

To resolve this, you must provide Avidemux with a compatible raw audio format. 1. Convert to a Supported Raw Format

MKVToolNix will create a new MKV file with your video and the new audio perfectly combined. It doesn't care about the container of your audio file; it will extract the stream inside and mux it correctly.

Alternatively, to convert an uncooperative WAV to an Avidemux-friendly MP3: avidemux+cannot+use+that+file+as+audio+track

Before importing the external file, ensure your video's audio output is set correctly:

[Open Video File] ➔ [Audio Menu] ➔ [Select Track] ➔ [Check "Enabled"] ➔ [Choose "Add audio track"] ➔ [Select Your Fixed File] Open your video file in Avidemux. Click in the top menu bar and select Select Track . To resolve this, you must provide Avidemux with

Avidemux has specific requirements for external tracks depending on the version and the intended use avidemux.org Supported Formats : MP3, WAV (PCM), AC3, and MP2 avidemux.org AAC Requirement : If using AAC, it must be (ADTS- or LATM-encapsulated), not inside an avidemux.org Secondary Tracks : If you are adding a audio track, it must be (Constant Bit Rate), such as MP3 CBR or AC3 3. Outdated Software

If Avidemux simply won't cooperate, use a dedicated muxing tool like . Drag your video and your audio file into MKVToolNix. Uncheck the original audio and keep the new audio. Hit "Start multiplexing." It doesn't care about the container of your

Solution 1: Convert the Audio to standard 16-bit WAV (Recommended)

Users often try to import audio files (like FLAC, OGG, or variable bitrate MP3s) that Avidemux cannot natively handle or index correctly for editing. The current error message ("Cannot use that file as audio track") is a hard stop, forcing the user to close Avidemux, use a third-party tool (like Audacity or FFmpeg) to convert the file to a compatible format (usually WAV), and then try again.