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

Avidemux has a complex history with AAC audio due to licensing issues. While it can often play AAC audio inside a video file, it may struggle to import a standalone AAC/M4A file as an external track if the specific internal decoder isn't loaded.

Ensure that your audio file is in a format supported by Avidemux, such as WAV, MP3, OGG, or AAC. If your file is in a different format, try converting it to a supported format using a tool like FFmpeg or Audacity. avidemux+cannot+use+that+file+as+audio+track

If your external audio file is shorter or longer than the video by a fraction of a second, Avidemux’s copy mode may panic. Avidemux has a complex history with AAC audio

Demux the audio from the original container (if it’s inside a video file) If your file is in a different format,

| Problem | Solution | |---------|----------| | MP3 VBR | Convert to CBR MP3 or WAV | | AAC from MP4 | Convert to WAV | | Opus / OGG | Convert to WAV | | 96 kHz sample rate | Resample to 48 kHz | | Multichannel audio | Downmix to stereo | | Video file as source | Extract audio to WAV first | | Still fails | Use (always works) |