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Toshio Iwai :: Piano - As Image Media [1995]

This work combines a real grand piano and computer generated moving images. A player can compose simple melodies visually using a trackball interface to position and place »dots« on a moving grid on the lower projection screen. These dots constitute a virtual score, which triggers the piano keys, which in turn project computer-generated images on the upper screen. In this way the piano itself seems to become transformed into image media - a flow of image depresses the piano's keys, which as a consequence release yet another flight of images.
- Toshio Iwai

Type of Work
Interactive installation

· Concept and realization: Toshio Iwai
· Production: ZKM | Institute for Visual Media

Silicon Graphics Indigo2 Extreme
Commodore Amiga 2000 with Accelerator board 68030 CPU/ Multi serial board/ MIDI interface
data projector, video projector
2 semi-transparent projections screens
MIDI grand piano
trackball on plinth

custom software written in C
custom software written in Basic

· Institute for Visual Media

Presentations [selected]


Toshio Iwai: »Piano - As Image Media« [1995] / Horizontal projection screen between interface and grand piano / © Toshio Iwai

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