The light matrix: an interface for musical expression and performance

  • Authors:

  • Jonathan Pak

  • Affiliations:

  • Electronic musician

  • Venue:
  • NIME '06 Proceedings of the 2006 conference on New interfaces for musical expression
  • Year:
  • 2006

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Abstract

A prototype of the Light Matrix interface is presented here. At the core of this device is a rectangular array of Light Emitting Diodes (LED). Although designed to emit light, it is also possible for LEDs to function as crude photosensors. The Light Matrix exploits the bidirectional properties of the LED to create a light reflection based proximity sensor. The performer interacts with the device through hand movements in front of the LED sensor matrix. The potential of this device as an interface for real-time musical expression for computer based audio systems will be discussed along with its suitability as an instrument for live performance. Here the aspects of performativity covered include performer-instrument interaction and audience perception of the relationship between physical interaction and resulting sound.