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|Type:||Artigo de evento|
|Title:||Influence Of A Lightweight Acoustic Shell With Diffusive Surface In A Multiple Use Theater At Audience Area|
|Abstract:||The construction of multiple use theatres is becoming more common due to the need to accommodate different kinds of performances at the same space. In order to acoustically adequate this space to concert music, the inclusion of an orchestra shell becomes necessary. The main objective of an orchestra shell is to improve the acoustic quality on stage, both for musicians and for the conductor. The goal is to improve balance of the group allowing musicians to hear themselves and the orchestra better. However, the orchestra shell can also improve the acoustic quality for the audience. The objective of this study is to analyse the difference of the acoustic performance perceived at the audience area with the inclusion of a light orchestra shell with diffuse surface in a proscenium theatre. Measurements were done using the impulse response technique according to ISO 3382-1. Measured parameters were Reverberation Time, Early Decay Time and Clarity Index. Results showed that the orchestra shell improves the acoustic performance at the audience area, although by a small difference. It increased the Reverberation Time and Early Decay Time at high frequencies and decreased clarity, improving spaciousness and group balance to the audience.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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