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Perception of violin soundpost height differences

Name: Perception of violin soundpost height differences
Keywords: [SPI.ACOU] Engineering Sciences [physics]/Acoustics [physics.class-ph], Perception, Violin, Soundpost height

appsOther research productkeyboard_double_arrow_right Other ORP type English Funded by:NSERC

Authors: Fu, Lei; Fritz, Claudia; Scavone, Gary;

Perception of violin soundpost height differences

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  (7)

Abstract

This experiment explores how changes in soundpost height affect the perceptual qualities of the violin and whether there is a threshold of change below which players and luthiers do not perceive differences. A violin installed with a height-adjustable carbon fibre soundpost was employed. The experiment was designed as a sequence of playing tests. An experimenter was present to change the soundpost height. Thirteen professional violinists and six luthiers participated. The experiment involved two phases. During the first phase, subjects played and described their feelings about the violin with different soundpost settings in order to find their optimal soundpost height. During the second phase, the experimenter randomly increased, decreased or did not change the soundpost height in ten trials within a range of approximately ±0.1 mm around their optimal height. For each trial, subjects were asked to play the violin, comparing it with the previous setting, and to decide whether they were the same or different. Initial results indicate that each subject's optimal soundpost height varies within an interquartile range of 0.3 mm and the smallest height variation that could be recognized above chance level is about 0.04 mm.

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Keywords

[SPI.ACOU] Engineering Sciences [physics]/Acoustics [physics.class-ph], Perception, Violin, Soundpost height

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[6] Jansson, E. Acoustics for Violin and Guitar Makers. Kungl. Tekniska högskolan, Department of Speech, Music and Hearing, 4th edition. Retrieved from http://www.speech.kth.se/music/acviguit4/ (Accessed: 27 June 2019).

[7] Macmillan, N. and Creelman, C. Detection Theory: A User's Guide. Mahwah (America): Lawrence Erlbaum Associates, 2nd edition, 2005.

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