January 7, 2004
Physicists have quantified differences in the patterns of various musical genres and their correlations to subjective, qualitative musical aspects of these genres by using a technique called detrended fluctuation analysis (DFA). DFA has been used to study complicated signals in economic, genetic and heartbeat data.
The method produces a number, “alpha,” that quantifies the complexity of patterns in a signal, in this case, the volume of music. Western classical… read more