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Foot-tapping with Rubato

This is an example of automatic interpretation of an anapest rhythm undergoing extreme asymmetrical rubato (tempo variation). The foot-tapper plays a hi-hat sound along to a test anapestic rhythm (repeated short-short-long) which is being varied in it's tempo. The tapper has found the underlying repetition rate and selectively chosen to tap on the first beat of the groups of three, respecting (with a slight error) the rubato of the rhythm. This gives a robust means to interpret and synthesize ritards, accelerando, grooves and swing.

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