Techniques for Automated and Interactive Note Sequence Morphing of Mainstream Electronic Music
Techniques for automated and interactive note sequence morphing of mainstream electronic music By René Wooller Bachelor of Music at Queensland University of Technology, 2001 Master of Music at Queensland University of Technology, 2003 Supervisor: Associate Professor Andrew Brown, Music and Sound. Co-supervisor: Doctor Frederic Maire, Software Engineering and Data Communications. Submitted to: Music and Sound Discipline, Creative Industries Faculty, Queensland University of Technology In partial fulfillment of the requirements of the degree of: Doctor of Philosophy 2007 © 2003-2007 René Wooller. All rights reserved. Key words Morph, morphing, interpolation, morphology, mutation, computer music, algorithmic composition, algorithmic music, interactive music, adaptive music, adaptive audio, game music, live electronic music, sound installation, compositional, key modulation, temporal modulation, metric modulation, modulation, topology, note-level, note sequence, MIDI, medley, transition, mash-up, mix, remix, DJ, evolutionary art, evolutionary computing, Markov, conditional probability, generative music, transformational, jMusic, Java, Midishare, realtime, reacTIVision, morph table. ii Abstract Note sequence morphing is the combination of two note sequences to create a ‘hybrid transition’, or ‘morph’. The morph is a ‘hybrid’ in the sense that it exhibits properties of both sequences. The morph is also a ‘transition’, in that it can segue between them. An automated and interactive approach allows manipulation in realtime by users who may control the relative influence of source or target and the transition length. The techniques that were developed through this research were designed particularly for popular genres of predominantly instrumental electronic music which I will refer to collectively as Mainstream Electronic Music (MEM). The research has potential for application within contexts such as computer games, multimedia, live electronic music, interactive installations and accessible music or “music therapy”.
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