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.

Authors: Watanabe, Takayuki; Miyazaki, Hideo; Sawara, Shinichi; Ikeda, Masahiro; Bakker, Ron
Affiliations: Yamaha Corp., Hamamatsu, Shizuoka, Japan; Yamaha Commercial Audio Systems Europe, Rellingen, Germany(See document for exact affiliation information.)
AES Convention: 138 (May 2015) Paper Number: 9330
Publication Date: May 6, 2015
Subject: Applications in Audio

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