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Project Background
Æolian Harp
Technical Details
Ethereal Aesthetic
Form as Content
Emergent Behavior
Future Applications
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The Aeolian Interface itself is a seven-foot tall black monolith constructed almost entirely out of wood. In order that everything be self-contained we built a large box at the base of the unit to house the trigger bay, tone module, and effects rack. We could include a power amp and speakers as well, though we envision being able to run a line out to an external amp where appropriate. Also, external AC power is required. The equipment is enclosed by a hinged door.
Rising off of the pedestal are four vertical rods which hold the upper infrastructure in place. About mid-way up the unit are stabilizing cross-beams to which we have connected monofilament fishing line. Each line runs down and through a central ring screwed into the top of the pedestal. This creates a ring of fine wires to which we have attached ten piezo-electric sensors.
Rising off of the cross-beams is a pyramidal wood frame whose apex supports our wind turbine. The turbine is made of four plastic bowls attached to a X made of wood. The rotational velocity affects the frequency and intensity with which a single piezo transducer (mounted just underneath the rotator) is hit. Hanging from the below the turbine is a pendulum which is precisely aligned to strike the sensors in the ring below. The circuit flow begins with the voltage generated by striking the piezo transducers. It then runs through our custom cables and into the trigger bay where it is converted to MIDI data. From there the data enters the tone module and is sent to the effects unit for final output.
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