An investigation of the second- and higher-order spectra of music
Identifieur interne : 000066 ( Main/Exploration ); précédent : 000065; suivant : 000067An investigation of the second- and higher-order spectra of music
Auteurs : D. R. Brillinger [États-Unis] ; R. A. Irizarry [États-Unis]Source :
- Selected Works in Probability and Statistics ; 2012.
Abstract
Abstract: For a variety of musical pieces the following questions are addressed: Are the power spectra of 1/.f form? Are the processes Gaussian? Are the higher-order spectra of 1/.fform? Are the processes linear? Is long-range dependence present? Both score and acoustical signal representations of music are discussed and considered. Parametric forms are fit to sample spectra. Approximate distributions of the quantities computed are basic to drawing inferences. In summary, 1/f seems to be a reasonable approximation to the overall spectra of a number of pieces selected to be representative of a broad population. The checks for Gaussianity, really for bispectrum 0, in each case reject that hypothesis. The checks for linearity, really for constant bicoherence, reject that hypothesis in the case of the instantaneous power of the acoustical signal but not for the zero crossings of the signal or the score representation.
Url:
DOI: 10.1007/978-1-4614-1344-8_15
Affiliations:
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