Abstract
One-dimensional experimental modal analysis of an unvarnished trapezoidal
violin built after the description of F. Savart and an anonymous
trapezoidal violin on display in the Music Instrument Museum of Brussels
is described. The analysis has revealed ten prominent modes. A mode that
may potentially play a role of the “tonal barometer” of the instrument is
pointed out. The mode shapes are symmetric and of high amplitude, due to
the construction of the instrument. Subjective evaluation of the sound
quality demonstrated no pronounced difference between the trapezoidal
violin and normal violin.
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