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3
01
Every living being shows electrical activities on its surface as a sign of
its vitality: electrical signals can be captured from human skin as a result
of muscles and neurons’ activities and can be highly altered by skin’s
moisturization; also plants show electrical activities on their leaves as a
consequence of their metabolic processes.
Being able to capture those signals and use them for musical purposes
is the final intention of our first eurorack module. Having the possibility to
finally merge electronics and physiology into a musical instrument which
shows that these two scientific fields can be actually reduced to the same
concept: electrons running around and producing a variety to different
effects because of their movement.
Biological activity can be synthesized to the concept of electrons leaving
and joining new atmos with the result of creating molecular instability and,
thus, movement. Electronic music is all about this: electrons, current,
endlessly moving from one point to another producing oscillations: sound.
The Garden Listener Eurorack is a module based on the Midi Sprout
technology that allows you to take advantage of those electrons’
movements inside living beings. It’s not about listening to their internal
motion; it’s about capturing surface variations in conductivity caused by
that motion and transforming them into something more useful from the
musical point of view.
This module is not a sound source, and not even a LFO, it’s meant to be a
bridge between the physiology world and the music one: it detects
variations in conductivity through the use of probes and converts them
into MIDI notes and CV signals.
The module comes with a set of white snap-on probes and a pair of
reusable adhesive pad electrodes, but you can actually use any kind of
probes depending on your needs (e.g. alligator clips, etc..).
Please remember that the module needs calibration in order to function
properly (see section 5 Calibration).
1. Introduction to detection and conversion of
electrical surface activities
INTRODUCTIONINTRODUCTION