Seuils d'instabilité d'un instrument de musique à anche simple : approche modale

Fabrice Silva; Jean Kergomard

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arXiv · 0801.4697

Seuils d'instabilité d'un instrument de musique à anche simple : approche modale

Fabrice Silva·Jean Kergomard

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Abstract

Many musical instruments, as for example woodwind instruments, flute or violins, are self-sustained oscillating systems, i.e. musician enacts as a continuous energy source to drive an oscillation in the passive resonator, the body of the instrument, by means of a nonlinear coupling. For single reed instruments like clarinet, there exists a minimal value of mouth pressure beyond which sound can appear. This paper deals with the analysis of this oscillation threshold, calculated using a modal decomposition of the resonator, in order to have a better comprehension of how reed characteristics, such as its strength and its damping, may influence the attack transient of notes.

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Fabrice Silva, Jean Kergomard. 2008-01-30. Seuils d'instabilité d'un instrument de musique à anche simple : approche modale. https://arxiv.org/abs/0801.4697

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