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The performing arts in China could be traced back to a long history and had well developed during the Song and Yuan Dynasties, 11th–14th centuries. A unique form of pavilion stage, opened on three sides and thrust into the audience area, was then the most popular for the open-air theatres, the courtyard theatres, and the indoor theatres. As the traditional Chinese opera, Beijing opera and a variety of local opera, was performed in an abstract sense, no stage sets were used. Therefore, it was possible that the low stage ceiling and back wall of a pavilion stage could function as the reflective shell, which increased the early reflections and also the intensity of the sound to the audience, and meanwhile provided sufficient support to the singer. The measured reverberation times of these halls were around 1.0 s at major frequency bands that were optimal for occupied halls of moderate size. Such a stage house provided the performers a desirable sense that the auditorium was responsive to their effort. Illustrations of acoustical features in different types of stage house will be provided during presentation.
Jiqing Wang (Fri,) studied this question.