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Active Field Control in the Teatr Wielki—Opera Narodowa

This opera house of 1,828 seats boasts one of Europe's largest stages and is highly reputed for its repertoire and acoustics. However, it presented a number of issues including poor communication between the singers and the orchestra pit, insufficient loudness of the upstage singers for the audience, a lack of reverberation when the house was occupied, and insufficient loudness at the seats under the balconies. For these reasons Active Field Control System (AFC) was adopted as a means to improve the acoustics while preserving the historic architecture of the opera house. This paper presents an overview of that system and the benefits achieved by its introduction.

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