COMPLEMENTARY REPORT TO THE ARTICLE "Semiotic structure labeling of music pieces : concepts, methods and annotation conventions" (Proceedings ISMIR 2012)

Frédéric Bimbot 1 Emmanuel Deruty 1 Gabriel Sargent 1 Emmanuel Vincent 1
1 METISS - Speech and sound data modeling and processing
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, Inria Rennes – Bretagne Atlantique
Abstract : At a low timescale (i.e. typically below 1 s) a music piece can be viewed as a combination of musical elements drawn from a limited inventory of predetermined conventional unitary items such as notes, duration values or chords. However, above a certain timescale, the organization of music is more relevantly described in terms of complex piece-specific objects linked to each other by a compact set of local self-deducible relationships, thus forming structured musical segments. The present report proposes a model called "system & contrast" (S&C), which aims at describing the inner organization of structural segments in terms of a carrier system (i.e. a set of elements forming a simple network of logical relationships) and a contrast, namely a substitutive element (usually the last one) which partly deviates from the logical sequence induced by the carrier system. We show that the S&C model is polymorphous in the sense that it applies to any type of musical information layer (melody, harmony, rhythm, rhymes, effects, etc...) in a very versatile way, therefore offering a powerful meta-description of musical content. The model has been designed for specifying a methodology for music structure annotation, but we briefly mention also its potential implications in other domains of music analysis and music information retrieval (MIR).
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Frédéric Bimbot, Emmanuel Deruty, Gabriel Sargent, Emmanuel Vincent. COMPLEMENTARY REPORT TO THE ARTICLE "Semiotic structure labeling of music pieces : concepts, methods and annotation conventions" (Proceedings ISMIR 2012). 2012. <hal-00713196>

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