Wind noise reacts to GS instead of IAS (?)

Yesterday I tried to replicate in DCS the very strong wind conditions (40/45 km/h with 80 km/h gusts) we are having around here. I didn't realize I was supposed to put the wind speeds in m/s (my fault, it's perfectly labeled), so I ended up with even stronger winds. I thought of enjoying some STOL before going back to the mission editor and fix it.

I was flying the Dora. I managed to take-off and once I was in the air and stable I noticed these changes of the strength of the wind noise as I turned despite keeping my IAS about the same. So I turned on the info bar (Ctrl+Y) to see my ground speed and did some level turns at constant IAS. I could hear it clearly, the strength of the wind noise was weaker when I was facing the wind (lower GS) and stronger when the wind was on my tail (higher GS). Same IAS all the time.

Before doing some more tests and, perhaps, humbly and fearfully present my case to the high court of the ED forums with a 500 page report of irrefutable prove, I thought of asking here just in case I'm missing something obvious, or maybe something I just don't know. I understand IAS, CAS, TAS and GS, but I tend to miss the obvious.

Edit: I couldn't notice anything strange with the Hornet, so it seems it depends on the aircraft. I tried the F-5, there is something off with it. To the very least, I noticed different fuel flow depending on the heading and maybe even different performance. So I think I'll just make a track with the Dora, post it as a bug and forget about it. I'm not an ED employee.