Nagai Stadium in Osaka recently became the first stadium in Japan to boast a fully digital audio network and control system following a major upgrade of the existing 15 year-old facilities. The massive project, under the direction of consultant and system designer Yoshiteru Mimura of M&H Laboratory Co. Ltd., based in Kyoto, with installation by Panasonic, provides comprehensive control and EtherSound audio distribution via a Gigabit network in a redundant ring topology comprising 2.5 km of fiber.