What is A.R.T? I have to say this is a little too much for me.

https://audiorealignment.com/

You may be enjoying your setup but, EMI is ruining your listening experience. And you didn’t even know it.

Either the stuff works or another reason your non audio friends goof on you.

I would hope my $20k+ whatever, doesn't need something as this:

https://audiorealignment.com/product/9x/

Maybe for those Synergistic Research fans?