Measuring a Six-hole Recorder Flute's Response to Breath Pressure Variations and Fitting a Model

Daniel Chin, Gus Xia

Abstract: We propose the Siamese-flute method that measures the breath pressure and the acoustic sound in parallel. We fit a 6-DoF model to describe how the breath pressure affects the octave and the microtonal pitch bend, revealing the octave hysteresis. We release both our model parameters and our data analysis tools.