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Precipice

by Mark Cetilia

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1.
Precipice 20:25

about

Comprised of weightless tones and bits of sonic dust, Precipice is a generative composition existing at the edge of perception. It utilizes custom software running on a single-board computer and hyperdirectional speakers to create a highly spatial experience of sound that is nearly as absent as it is present.

Positioned approximately 10’ from the ground, six hyperdirectional speakers are mounted to a CNC routed support structure via M4 fasteners using the VESA 100 mounting standard and then hung from six eye- hooks. Each speaker utilizes an external power supply with a maximum load of 1.6A, and receives audio via an XLR cable.

The audio for the piece is generated using a BeagleBone Black single-board computer running custom software written in the SuperCollider scripting language / environment via the Bela platform. This computer is programmed to automatically to run the software immediately upon booting up.

Precipice was premiered at the RISD Museum as part of the biennial RISD Faculty Exhibition and Forum from February 23 – March 25, 2018.

credits

released February 23, 2018

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Mark Cetilia Providence, Rhode Island

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