Constant high-pitched ringing noise

[ultane]

Hi melvincat, would you have a recording of this noise?

Is it similar to this:

That would drive me nuts..

 

[TrailWhale]

Hi melvincat, would you have a recording of this noise?

Is it similar to this:

That's a horrific sound, but only around 1kHz. I think the folks in this thread are experiencing significantly higher frequency noise - in the 12-15khz range.

 

[FLC250]

That's a horrific sound, but only around 1kHz. I think the folks in this thread are experiencing significantly higher frequency noise - in the 12-15khz range.

Hmmm I wonder how it sounds like.