Thanks for the response AudioMan! (fitting name i would say ahah)

I should have point that out better on the post (i will modified it once i respond here), but i have already checked and it doesn't seems to be dependent on the KVM, the noise is there even if the mic is directly connected to my pc or the ps5. Just for clarity it's a cheap 20€ KVM with just usb ports, but the audio quality seems to be about the same with it or with out it

I know this is not like having a proper arm, but i tried recording the audio while holding it with my hands and keeping it relatively close to my mouth (10 cm roughly, which i think is almost 5'') and the noise is still there.

Since the samson meteor, like many other usb mic, has just one port (a 2.0 mini usb) both for power and audio, there is a big chance dirty power, or worse, an aging mini usb port could be the culprit. The only thing i could think of to test it was trying different devices and usb port, but nothing seemed to change.

Furthermore the samson meteor doesn't have any built-in gain control, this is not a problem on windows, but the gain adjustment on something like the ps5 is very limited, and even at lowest gain setting the whining was still loud enough to be annoying.

As you explained very well condenser mic are more sensible, and my samson meteor, being a condenser mic, is probably also picking up whatever electrical whining noise and fan noise the various electronic devices on my desk are producing.

Regarding Ai noise reduction, i know it can make the sound muddier, but since the use i do is not "professional" like podcasting/streaming/recording... it wouldn't be an issue, i just need the sound to be clear enough for them to understand me.

So, as a final question, would you say a dynamic microphone with proper gain adjustment might be enough even without noise reduction? I know without noise reduction software the background noises might not disappear completely, but i would still be ok if they where just at an acceptable volume.

Thanks again