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Comparison of the vibroacoustical characteristics of different pianos

Abstract : On the basis of a recently proposed vibro-acoustical model of the piano soundboard (X. Boutillon and K. Ege, Vibroacoustics of the piano soundboard: reduced models, mobility synthesis, and acoustical radiation regime. \emph{submitted to the Journal of Sound and Vibration}, 2011.), we present several models for the coupling between the bridge and the ribbed plate of the soundboard. The models predict the modal density and the characteristic impedance at the bridge as a function of the frequency. Without parameter adjustment, the sub-structure model turns out to fit the experimental data with an excellent precision. The influence of the elastic parameters of wood is discussed. The model predictions are compared for pianos of different sizes and types.
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Submitted on : Thursday, October 11, 2012 - 10:20:44 PM
Last modification on : Thursday, December 19, 2019 - 1:30:11 AM
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  • HAL Id : hal-00741170, version 1
  • ARXIV : 1210.3948

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Xavier Boutillon, Kerem Ege, Stephen Paulello. Comparison of the vibroacoustical characteristics of different pianos. Acoustics 2012, Apr 2012, Nantes, France. pp.[N° 522], 2743-2748. ⟨hal-00741170⟩

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