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Journal Articles Acta Acustica united with Acustica Year : 2017

Window Impedance of Recorder-Like Instruments

Augustin Ernoult
Benoît Fabre

Abstract

Sound production in recorder-like instruments occurs near an open end of the resonator. The impedance of this opening, specific to flute-like instruments, acts both on the passive resonances and on the active behaviour. The geometry of this active-end is characterized by the presence of an edge needed for the sound source. This edge induces a significant enlargement of the section of the chimney associated with this opening. This study proposes a model of the frequency response of the active-end of recorder-like instruments inspired by previous works on open side holes. Predictions from this model are compared with measurements of a hand made recorder and to finite element simulations. Multiple geometrical conditions are simulated via finite elements and compared with the proposed model.
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Dates and versions

hal-01430654 , version 1 (10-01-2017)

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Augustin Ernoult, Benoît Fabre. Window Impedance of Recorder-Like Instruments. Acta Acustica united with Acustica, 2017, 103, pp.106 - 116. ⟨10.3813/AAA.919037⟩. ⟨hal-01430654⟩
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