Avidemux+cannot+use+that+file+as+audio+track High Quality Jun 2026

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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.

Temporarily change Video Output to Mpeg4 ASP (Xvid) or Mpeg4 AVC (x264) and set Configure to Constant Rate Factor = 22 . Then add the audio. If it works, the original video’s structure was broken. (You will have to re-encode the video, which is slow.) avidemux+cannot+use+that+file+as+audio+track

If you do not have Audacity, you can use to quickly transcode the audio into a standard format. Open VLC and go to Media > Convert / Save .

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Repair or re-download if file is corrupted

Open your video in , go to Audio > Select Track > Add audio track , and select your new .wav file. Solution 2: Extract Raw Audio Components via FFmpeg Then add the audio

The error message in Avidemux occurs because the software requires raw, demuxed audio streams or specific containerless structures for external audio insertion , meaning it will reject standard container files like .m4a , .mp4 , or metadata-heavy .mp3 files.

Convert your audio file to one of the following formats, which are natively supported as external tracks: (Constant Bit Rate is most stable). AC3 . WAV (16-bit or 24-bit PCM). Raw AAC (ADTS-encapsulated). 2. Use FFmpeg for Quick Remuxing

Avidemux treats external audio tracks differently depending on the video container you are using (e.g., MP4, MKV, AVI). If the audio codec inside your external file does not natively align with or map correctly to the video container properties within Avidemux’s workspace, the software triggers a safety reject. 3. Sampling Rate and Bitrate Issues