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New Distributed Speech Reinforcement System in the Frederik's Church (the Marble Church), Copenhagen

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The speech intelligibility in the Frederik's Church has been a problem due to its dome shape. The church volume is 32,000 m3, reverberation time is 8 s. The problem has been solved by the design of directivity horns and a distributed loudspeaker system divided into electrical zones with 160 loudspeaker cabinets for 500 seats.

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