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Rhythmic Stability

Rhythmic Stability. Mitch, Ronan, Bokum. Basic Expectancy. Basic Expectancy Model. C(R,S) scales the height D(R,S) scales the width. Our Implementation. Scale height by reciprocal integer ratio. Scale width exponentially and weight by likelihood of tempo. Paulus and Klapuri 2002.

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Rhythmic Stability

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  1. Rhythmic Stability Mitch, Ronan, Bokum

  2. Basic Expectancy

  3. Basic Expectancy Model • C(R,S) scales the height • D(R,S) scales the width

  4. Our Implementation Scale height by reciprocal integer ratio Scale width exponentially and weight by likelihood of tempo Paulus and Klapuri 2002

  5. Complex Expectancy • All preceding durations contribute to future expectancy.

  6. Computing Stability of Segment • For each onset compute stability of each duration pair it divides. • Total stability is geometric mean of onset stabilities: • Mean(a)=product(a)^(1/N), where N is the length of vector a.

  7. Results

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