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The behavior of the soundboard of electroacoustic tools and musical instruments has being investigated for several years. The modelling of such instruments is fundamental in order to determine their acoustic characterization. The determination of nonlinear features of the sound production and propagation allows the definition of acoustical aspects that can’t be reproduced with methods based on linear impulse response. A method that allows approximating nonlinear distortions of musical instruments by exploiting the Volterra series model is presented. A Matlab code has been developed in order to test the method on real world audio signals. Results of applications are presented on a series of different wind instruments. Some sound examples are provided.
Author (s): Tronchin, Lamberto; Coli, Vanna Lisa; Gionfalo, Francesco F.
Affiliation:
University of Modena and Reggio Emilia, Modena, Italy; University of Bologna, Bologna, Italy
(See document for exact affiliation information.)
AES Convention: 142
Paper Number:9781
Publication Date:
2017-05-06
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Session subject:
Posters: Transducers, Systems, and Effects
Permalink: https://aes2.org/publications/elibrary-page/?id=18657
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Tronchin, Lamberto; Coli, Vanna Lisa; Gionfalo, Francesco F.; 2017; Modelling Nonlinearities on Musical Instruments by Means of Volterra Series [PDF]; University of Modena and Reggio Emilia, Modena, Italy; University of Bologna, Bologna, Italy; Paper 9781; Available from: https://aes2.org/publications/elibrary-page/?id=18657
Tronchin, Lamberto; Coli, Vanna Lisa; Gionfalo, Francesco F.; Modelling Nonlinearities on Musical Instruments by Means of Volterra Series [PDF]; University of Modena and Reggio Emilia, Modena, Italy; University of Bologna, Bologna, Italy; Paper 9781; 2017 Available: https://aes2.org/publications/elibrary-page/?id=18657