About Notre Dame Sta di um Notre Dame wanted a sound system for both emergency announcements and to enhance the game day experience. Wrightson, Johnson, Haddon & Williams, Inc. (WJHW), who designed the system, and the installer ESCO Communications of Indianapolis faced two major challenges. In the lower concourse, the stadium’s concrete structure creates echoes and makes it difficult to have quality sound. Brian McCullagh of ESCO Commu

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