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Flute acoustics: measurement, modelling and design - School of ...

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CHAPTER 2. THEORY AND LITERATURE REVIEW 29<br />

Strong (1979) with a half-dozen empirical parameters to model the modern flute. These parameters<br />

are machine-learned from a training set <strong>of</strong> impedance spectra for all st<strong>and</strong>ard fingerings<br />

<strong>and</strong> some alternative fingerings. The model is accessed through a user-friendly web page.<br />

The s<strong>of</strong>tware in its current form does not allow geometrical changes to the flute model, as it is<br />

intended primarily for use by flute players rather than makers.<br />

This work extends the model used in The Virtual <strong>Flute</strong>, making it accurate for flutes <strong>of</strong> varying<br />

geometry. While the idea <strong>of</strong> a flute model itself is not novel, its close association with a<br />

highly accurate <strong>and</strong> extensive database <strong>of</strong> flute impedance spectra should provide the accuracy<br />

<strong>and</strong> reliability required by instrument makers. Furthermore, a great deal <strong>of</strong> effort was put into<br />

the <strong>design</strong> <strong>of</strong> the user interface to the model. The use <strong>of</strong> a simple graphical interface widens significantly<br />

the pool <strong>of</strong> potential users <strong>of</strong> the s<strong>of</strong>tware, making the work <strong>of</strong> musical acousticians<br />

much more widely available.

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