Measuring leakages in flute padsReportar como inadecuado




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* Corresponding author 1 DALEMBERT - Institut Jean Le Rond d-Alembert 2 Pôle d-innovation des métiers de la musique

Abstract : The fine adjustment of pads in modern flutes is crucial to the player. Craftsmen need several years of experience to reach a point where they can do a fine and rapid adjustment of all the flute pads. Pad adjustments can have a compensating role for small geometrical defects of the flute chimney or keys. They are also expected to be efficient under severe mechanical and moisture conditions, and during several years. Many pad types are developed by instruments and pads makers to match those requirements, resulting in different inner structures, skins or fastening means. We present a simple experimental setup to measure the leakages associated with different types of flute pads. The quasi-static measurements allow us to compare the different types of pads. The different values of the acoustic resistance associated with these leakages are then used to feed an acoustic model, in order to discuss the significance of the results in terms of the acoustic response of an instrument. This acoustic response can then be compared to actual measurements of input admittances of instruments equipped with different pads.





Autor: Benoit Fabre - Roman Auvray Marthe Curtit - Jean-Yves Roosen

Fuente: https://hal.archives-ouvertes.fr/



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