[NetBehaviour] Drawing sound in both directions.

marc garrett marc.garrett at furtherfield.org
Mon Jun 23 12:52:38 CEST 2008

Drawing sound in both directions.

Algomantra recently posted on a project by Caleb Coppock, which allows 
the composition of music by directly drawing onto paper discs. Since the 
kind of graphite marks made by ordinary pencils conduct electricity it 
provides a system for drafting a visual score in sectored patterns on 
paper discs. The Graphic Music Sequencer uses wire brushes that contact 
a paper disc as it spins on a standard record player. When the wire 
sensors move across the conductive graphite a tone is generated, the 
pitch of the tone is further regulated by the thickness of the pencil 
line. It’s interesting that in nearly all musical scores, including 
those of experimental layout, there needs to be some system of decoding 
and mediation to translate mark into sound. In this case it would be 
fair to say that score is a direct isomorph of the music it makes, 
requiring no human mediation. Another example of a similar system could 
be claimed to be that of the experimental Russian ANS synthesizer 
mentioned on these pages a while back.


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