"Save Audio" contents differ from extracted stream

[Cormy1]

I have a video file. I import into Avidemux and save audio.
When I import the video into Audacity and the saved audio file, the contents are different.
Why is that? Is Avidemux not suited for this type of stream?

https://we.tl/t-PDgS5KYQbE

Also when I tried to use that saved audio file as a track in another video, it made a horrible sound in avidemux playback so I guess it doesn't like the file it produced.

[eumagga0x2a]

We cannot export AAC types other than AAC LC, the export format doesn't allow that, please see Avidemux log, you will find a message "Audio object type AAC PS not representable in ADTS, faking AAC LC.". Avidemux should probably explicitly reject an attempt to save such an audio track.