“FIRST WE NEEDED TO

CONTROL AUDIO

LEAKAGE FROM ONE AREA TO ANOTHER IN A LARGE, OPEN SPACE. WE ALSO WANTED TO CONTROL

REFLECTIONS FROM

HARD SURFACES, INCLUDING THE VIDEO DISPLAYS AND A LARGE NEARBY WINDOW… THE MM-4XPD PROVED TO BE THE PERFECT SOLUTION.”

— PETER OTTO

CALIT2, UNIVERSITY OF CALIFORNIA

SAN DIEGO

Visualization Lab, KAUST

Celtic Woman Tour

tour. “The change not only improved gain before feedback, but it also let me opti- mize the sound quality for the front-row audience,” says Pauley. “Now I don’t have to make huge cuts in the EQ just to keep the system stable when singers move downstage.”

The MM-4XPD’s hypercardioid coverage pattern, combined with excellent voice intelligibility and wide-bandwidth repro- duction, is found to be well-suited for

the virtual reality environments at KAUST. Audio systems for these leading-edge AV environments were prototyped at the California Institute of Telecommunications and Information Technology (Calit2) at the University of California, San Diego.

“We needed to solve two big problems,” observes Peter Otto, head of Calit2’s Sonic Arts Group. “First we needed to control audio leakage from one area to another in a large, open space. We also

wanted to control reflections from hard surfaces, including the video displays and a large nearby window. We tried other approaches to restricted coverage but found the digital signal processing intro- duced unacceptable delays. Also, they did not provide the robustness we’re accustomed to with Meyer Sound prod- ucts. The MM-4XPD proved to be the perfect solution.”

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