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Parameter Estimation of a Plucked String Synthesis Model Using a Genetic Algorithm with Perceptual Fitness Calculation

Abstract

We describe a technique for estimating control parameters for a plucked string synthesis model using a genetic algorithm. The model has been intensively used for sound synthesis of various string instruments but the fine tuning of the parameters has been carried out with a semiautomatic method that requires some hand adjustment with human listening. An automated method for extracting the parameters from recorded tones is described in this paper. The calculation of the fitness function utilizes knowledge of the properties of human hearing.

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Correspondence to Janne Riionheimo.

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Riionheimo, J., Välimäki, V. Parameter Estimation of a Plucked String Synthesis Model Using a Genetic Algorithm with Perceptual Fitness Calculation. EURASIP J. Adv. Signal Process. 2003, 758284 (2003). https://doi.org/10.1155/S1110865703302100

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Keywords

  • sound synthesis
  • physical modeling synthesis
  • plucked string synthesis
  • parameter estimation
  • genetic algorithm