There is visible 20 kHz LPF, but it is meaningless for use case of music listening, right ?

I did not liked degradation at 140-128kb/s and noise above 16kHz and some artifacts 10-16khz that is clearly visible and much more impactful.

Here is spectrograms https://disk.yandex.com/d/PvQGSS2xBu7ucQ