Integrating Variable Acoustics into Multipurpose Performance Halls
Kenny Upadhi Divine, Ohochuku Chinwennwo Philips
Abstract
Multipurpose performance halls face the enduring challenge of delivering optimal acoustic conditions for a wide spectrum of uses, from spoken-word events and conferences to chamber music and large orchestral performances. Speech demands shorter reverberation durations for clarity, whereas music benefits from longer reverberation times for warmth and richness. These fundamental acoustic requirements often conflict. This study investigates the integration of variable acoustics systems as a strategy for creating adaptable and high-performing sound environments in such venues. A comprehensive literature review and in-depth case studies of internationally recognized multipurpose halls were employed to assess the impact of adjustable elements such as retractable curtains, movable acoustic panels, canopy reflectors, and active electroacoustic systems on reverberation time, clarity indices, and spatial sound distribution. Results indicate that well-implemented variable acoustics can increase a hall’s functional acoustic range by up to 60%, enabling rapid reconfiguration to meet specific performance demands without compromising audience or performer comfort. Beyond technical assessment, the study proposes a performance-oriented design framework that incorporates both passive and active acoustic interventions from the earliest stages of architectural planning. This framework is intended to assist architects, engineers, and venue operators in creating multipurpose halls that are operationally flexible while consistently delivering high acoustic quality across diverse event types, maximizing both functional and economic value.
Keywords
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