The visitor’s brainwave fluctuations produce a dynamical distribution of taps over the grid of steel objects. The steel matrix is suspended at 2m50, typical for ceiling height. It is important for visitors to walk below the steel sky and experience the acoustic shifts in direction. ‘Staalhemel’ was originally conceived as an immersive sound art project. When visitors watch the whole of the installation frontally as one total object and from a distance, they will only hear the sum total of acoustic reflections from 80 pins hitting on steel. This acoustic monolith is very diffuse, shapeless and relatively loud. When however the visitors pass below the matrix, sound sources become very defined as they hear the pins directly above their head changing their frequency. Visitors are enveloped by a dynamic acoustic cloud of which details change when they move position.
By Christoph De Boeck | Published: September 16, 2009
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