Using Acoustic Modelling to Design and Print a Microtonal Clarinet

Bailey, N., Cremel, T. and South, A. (2014) Using Acoustic Modelling to Design and Print a Microtonal Clarinet. In: 9th International Conference on Interdisciplinary Musicology, Berlin, Germany, 04-06 Dec 2014,

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Abstract

Several projects have successfully used 3D-printing tech- nology to produce viable musical instruments. Such instruments are normally replicas of existing ones with normal intonation. The authors have previously constructed microtonal rehearsal aids and musical instruments for the performance of 19-EDO music, and have compared the use of conventional clarinets using alternative fingerings and modification of pitch through embouchure with performances based on augmented wind controllers and synthesizers. Both ap- proaches compromise the performance potential of the instrument in different ways. We now seek to create a new microtonal clarinet design by 3D-printing an instrument designed to render 19-EDO scales specifically. An object-oriented acoustic model of the instrument has been constructed in C++. A programmatic description of an arbitrary clarinet was written in OpenSCAD, a 3D modeling language, to permit physical realisation of instruments that were acoustically modeled. The software was initially used to predict the outcome of printing a replica Denner clarinet, and the results demonstrate a degree of agreement which was sufficient to suggest its use in designing a 19- EDO instrument. Strategies for the design of keywork on such an instrument are discussed and a candidate design printed and evaluated by a professional player.

Item Type:Conference Proceedings
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Bailey, Dr Nicholas and South, Dr Alexander
Authors: Bailey, N., Cremel, T., and South, A.
Subjects:M Music and Books on Music > M Music
Q Science > QC Physics
T Technology > TJ Mechanical engineering and machinery
College/School:College of Science and Engineering > School of Engineering
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