It's more engineering than science (especially considering the manifold shortcomings of mic capsules and preamplification electronics), but yes, it's real. I he

It's more engineering than science (especially considering the manifold shortcomings of mic capsules and preamplification electronics), but yes, it's real. I heard early analog systems over 25 years ago, and they were shocking. They were also a bazillion dollars then, with a dedicated box to discombobulate all the phase stuff. The sort of thing that's really easy to do digitally now...