Hierarchisation algorithm for MORFOS : a music analysis software
Résumé
MORFOS is a music analysis software that offers a hierarchical representation of the musical form called multiscaled formal diagram. This representation aims at modeling music listening and visualizing an organized segmented music representation. The notion of hierarchy is fundamental to the definition of structure. Different levels of structure can be defined as, for example, levels containing elements of different temporal scales. For example, a musical work may have a level of structure at the note level, but also a level of structure at the motif or phrase level. In this article, we present the main algorithm that constitutes MORFOS software: It is a recursive algorithm that allows the construction of the multi-scale formal diagram in real time. We also present the underlying data structures that make memory access and algorithms easier.
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