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Free keywords:
rhythm, meter, percussion, salience, prediction error, novelty, surprise
Abstract:
With Western, tonal music, the expectedness of any given note or chord can be estimated using various methodologies, from perceptual distance to information content. However, in the realm of rhythm and meter, the same sort of predictive capability is lacking. To date, most computational models have focused on predicting meter (a global cognitive framework for listening), rather than fluctuations in metric attention or expectations at each moment in time. This theoretical contribution reviews existing models, noting current capabilities and outlining necessities for future work.
