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date: 14 November 2019

Touch instruments [touch-sensitive instruments]locked

  • Anne Beetem Acker

Extract

[touch-sensitive instruments]

Electronic instruments that respond to the location and sometimes the degree of pressure of the user’s fingers. Touch instruments, or touch instrument applications, are based upon software implemented on electronic visual displays, also known as touchscreens. Touchscreens detect the position of finger or stylus contact with the display area. Examples include Bebot, a touch synthesizer first released in 2008 by Russell Black for Normalware that features four-finger multi-touch polyphony and user-definable behaviour including sound-generation methods, delays, and either continuous pitch changes or various discrete scales. Pitch is determined by the horizontal position of the finger on the screen, while timbre or loudness is controlled by the vertical position. The touch instrument applications Pianist and Guitarist introduced by MooCowMusic Ltd in 2008, function as wireless MIDI digital instrument simulators, with keyboards, guitar necks, or tablature displayed on touchscreens that are played with the fingers.

Some touchscreens can also detect the degree of pressure, such as a screen made by Touchco Inc. used for the Linnstrument introduced in ...

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