Browsing by Autor "Sachiko Sakuma"

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    Nonlinear behavior of the tarka flute's distinctive sounds
    (American Institute of Physics, 2016) Arnaud Gérard; Luis P. Yapu-Quispe; Sachiko Sakuma; Flavio Ghezzi; Gonzalo Marcelo Ramírez-Ávila
    The Andean tarka flute generates multiphonic sounds. Using spectral techniques, we verify two distinctive musical behaviors and the nonlinear nature of the tarka. Through nonlinear time series analysis, we determine chaotic and hyperchaotic behavior. Experimentally, we observe that by increasing the blow pressure on different fingerings, peculiar changes from linear to nonlinear patterns are produced, leading ultimately to quenching.