Richard Orton

Evolution of timbres through the use of Tabula Vigilans on the MIDAS system

Tabula Vigilans is a real time algorithmic system for the definition of rule based compositions and their performances. As such it encourages the composer to associate performance details with structural compositional parameters. Tabula Vigilans thus provides an ideal complement to the MIDAS system which is a multiprocessor network designed for the high speed signal processing associated with the performance of electroacoustic music. This paper gives an overview of these two complementary systems and presents some examples of the way in which Tabula Vigilans applications can be mapped onto MIDAS networks. The examples include an interactive timbral controller, an algorithmic score generator and a dynamic spectral balancing instrument.