Jonas Braasch and Johannes Goebel
A conversation on the inventive acoustic ceiling designs of the Aula Magna at Central University of Venezuela, Caracas and EMPAC’s Concert Hall at Rensselaer.
In the early 1950s, the American sculptor Alexander Calder collaborated with acoustic engineering team Bolt Beranek & Newman and Venezuelan architect Carlos Raúl Villanueva on the design of an extraordinary new sculptural approach to the acoustic treatment of an auditorium. Villanueva’s iconic Aula Magna in Caracas was thus the first instance of acoustic panels suspended across the ceiling of a hall of this scale to reflect optimal acoustics. Another first shapes the exceptional sound of EMPAC’s Concert Hall: the innovative design of a fabric ceiling that spans the full-length of the hall.
The installation of Calder’s Acoustic Ceiling (1953), locally known as “nubes” (clouds) or “platillos voladores” (flying saucers), produced an acoustic environment that prompted the Aula Magna to be ranked in the top five concert halls in the world by renowned architectural acoustician Leo Beranek (1914-2016), whose professional library was presented to Rensselaer by the engineer himself in 2010.
Jonas Braasch, professor of acoustics in Rensselaer’s School of Architecture and EMPAC’s founding Director Johannes Goebel, who was deeply involved with EMPAC’s acoustic design, will have a conversation about the most important and often least discussed element of a concert hall: the ceiling.
This talk is the second in a series of interdisciplinary conversations with experts from acoustics, art, architecture, and music that will explore the historic and contemporary resonances of the iconic Venezuelan hall. EMPAC’s Senior Curator for time-based visual art, Vic Brooks, is working on a major research, commissioning, and publication project on Calder’s Acoustic Ceiling at the Aula Magna, which creates interdisciplinary connections between the visual and the auditory, between art, science, and engineering.
EMPAC acoustic model for ceiling canopy:
empac.rpi.edu/...
© 2008-21 The artists / EMPAC at Rensselaer Polytechnic Institute.
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