Multi Analyser / Waves center

[MogwaiBoy]

Are those controls at the top just mid/side EQ, or something else?

[KIMCHRISTOPHER]

can anyone explain what phantom center vs m/s is?
I never used waves but i did use Leapwing and it did something different to m/s

I won't know how to explain it in technical details, probably someone here will know better. But as far as I could understand the center in reality, there are sounds produced in the two boxes that generate the "impression" of the center, which plugins like waves do eh generate a center and manipulate it. But at the point of knowing why this is different from the mid/side, I can't answer... But I can say that the results it generates and the collateral artifacts are different in the two processes...

[KIMCHRISTOPHER]

Are those controls at the top just mid/side EQ, or something else?

They direct the bass and treble totally to the center or to the sides, thus allowing a greater control not only of volume, but also of frequencies...

[pixel85]

In simple words:
Normally when you work with mid/side, when you're changing their proportions, you're getting wider or narrower stereo. This is why m/s is used in all kind of "stereo enhancers".
In case of Waves Center, when you're changing proportions, the width of stereo signal stays untouched (it's not making wider or narrower stereo) - but you can change perceived loudness/volume between signal in center and sides.

For in depth analysis I recommend google