Debating I hope. But there are very substantive differences of opinion and even fact.
I regard Audessey as useless. It shows negligible effect on modes, all the others are spectacularly successful in contrast. I regard any information derived from tests on it as per se unreliable.
EQ doesn't reduce the rate of decay
I don't concur. I am convinced by the theories, using the laws of Maths and Physics, rehearsed by John and many
, actually pretty much all the others, that Eq can and does alter the rate of Modal Decay. When the readings show it possible, i.e. the Excess Group Delay thing.
Looking at the slopes
of the mode in John's graphs shows this.
It gets steeper, an increased rate of decay. It's not just level.
I have extensively treated a nearly impossible room here at SoundSound.
It is not viable in several respects to treat it more or differently.
I can work it reliably but to be frank the measurements and actual response are pretty embarrassing.
Many share this position. Test will ultimately show if this situation can be improved or not. I will even stoop to a Behringer if I have to