"Back in the day", Memorial Stadium where the Colts used to play , Johnny Unitas era , was considered the loudest place , horse shoe shaped stadium and the closed in part was legendary for it.. Then, the same people , i believe one was Weeb Ewbank , former coach of the Colts, then the Jets, said Buffalo(WMS) rivaled Baltimore.. all 45, 000 of us.. lots had to do im thinking was the roof.. closeness to the field..