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Diddy and October Surprise 2024

Analysis of Harmonic and Subharmonic Effects in a Transversal Flute …

In this paper; we present an analysis of recordings of a transversal flute made from the dried stem of the Heracleum laciniatum (Troms0 Palm or Hogweed). While the lower octave exhibits conventional harmonic spectra, the upper octave surprisingly includes subharmonic components. We believe that the subharmonic contributions are due to nonlinear oscillations of the flute material. A …