Erik S. Friis
ABSTRACT
APL2 provides an excellent platform for implementing both syntactic and semantic representations of music, and for effecting transformations between the two. We use general arrays to represent syntactic information in the form of Musical Instrument Digital Interface (MIDI) data streams and illustrate a semantic structure by defining a diatonic scale. Chords are created within that scale using the “each” operator to facilitate this development. Finally, we make a few observations regarding relationships and transformations between these representations.
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Index Terms
- Musical syntactic and semantic structures in APL2
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