Avidemux Cannot Use That File As Audio Track Better ⚡

Avidemux generally requires raw audio streams for external tracks rather than audio already inside a container like .m4a or .mp4 .

If an MP3 still fails, the file might have a large header. Community experts suggest that stripping the first few kilobytes of the file (which often contain non-standard metadata) can sometimes allow Avidemux to "see" the actual audio frames. Supported External Audio Tracks

Files like 32-bit WAV or DRM-protected files (often found in Apple's .m4a format) frequently trigger this rejection. avidemux cannot use that file as audio track

Alternatively, you can mux the audio and video together directly in FFmpeg to bypass Avidemux entirely:

Ensure you are using at least or the latest nightly build . Developers frequently release updates to handle tricky metadata in MP3 and AC3 files that previously caused this error. 4. Check File Metadata Avidemux generally requires raw audio streams for external

ffmpeg -i input_audio.m4a -acodec copy -absf adts output_audio.aac Use code with caution.

The most reliable way to fix this is to transcode your audio into a format Avidemux natively supports as an external track. Use a tool like Audacity or FFmpeg to convert your file to one of the following: 16-bit or 24-bit PCM (Avoid 32-bit float). MP3: Standard constant or variable bitrate. Supported External Audio Tracks Files like 32-bit WAV

For successful "Add Audio Track" operations, aim for these specific formats: Best for quality; use 16-bit for maximum compatibility. MP3 Widely supported; ensures the file is not corrupted. AAC Must be raw .aac (ADTS), not .m4a . AC3 / DTS Supported for multi-channel audio.

The error message typically occurs when you attempt to add an external audio file that is in an unsupported container format or has incompatible metadata. Avidemux is strict about the types of external streams it accepts during the "Select Track" process. Common Causes of the Error