BCS 260 Study Guide - Midterm Guide: Prior Probability, Multidimensional Scaling, Reverse Engineering
7 Nov 2016
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Taken to model the mental representation of a key. Relates to: scale distribution in corpora, key relations, key finding & expectation. Generated by playing a context & a probe tone & then rating how well it fits with context. Most likely learn from distribution of scale-degrees in western music (highly correlated) Arnold schoenberg- came up with spatial representation of key relations (the chart of regions) L to r: m to relative m parallel m relative m etc. Krumhansl looked @ correlation between each pair of key-profiles (measure the fit between 2 variables) Ones w/ high correlation tends to be closely related. Using multidimensional scaling, krumhansl plotted the keys on a plane so that the keys with high correlation were close together on a plane. Key finding probe-tone suggests listeners have understanding of keycan orient themselves to a key of a piece. Longuet-higgins & steedman 1971) go thru melody one note at a time.
