Avidemux Audio Codec None

No accelerated IMDCT transform found,AAC Encoding …

https://avidemux.org/smif/index.php?topic=11854.0

How to Change Codecs in a Video File Using Avidemux

https://panoptosupport.force.com/support/s/article/Change-Codecs-in-a-Video-File-using-Avidemux

If a video cannot be uploaded or processed in Panopto due to unsupported codecs, the audio and video codecs can be changed using an application like Avidemux. Prerequisites Creator access to Panopto 1. Convert a Video File in Avidemux 1.1. Open the Avidemux application. To download this application, please visit SourceForge: Avidemux. 1.2.

Avidemux Documentation -- Input formats

http://avidemux.sourceforge.net/doc/en/input.xml.html

It means that either the codec returned an error or that avidemux could not find the appropriate video codec. You can process the audio and save the avi anyway but cannot process the video. Save(A+V) will generate bad AVI Save audio will work Same message for audio. The audio codec was not found (not compiled in or unknown). You can save and cut the avi, but cannot process …

Avidemux Documentation -- Scripting

http://avidemux.sourceforge.net/doc/en/script.xml.html

Avidemux Documentation -- Using the command line

http://avidemux.sourceforge.net/doc/en/command.xml.html

audio-process: None: Set the audio to process mode: audio-normalize: None: Activate audio normalization filter: audio-resample: None: Activate 48 44.1 khz downsampling: video-process: None: Set the video to process mode: filters: filename: Load a filter set: vcd-res: None: Add needed filters to convert to VCD resolution: svcd-res: None: Add needed filters to convert to …