CT scan gives insight into Stradivarius sound
Wednesday, July 02, 2008
A recent study by a Dutch medical researcher and a luthier sheds some insight into what makes Stradivarius violins sound so great--the wood used in Stradivarius violins is significantly more uniform in density than the wood in modern violins:
Based on his knowledge of measuring lung densities non-invasively, Dr. Stoel designed a new computer program to study wood densities from CT scans. Subsequently, he and Terry Borman scanned in New York five Cremonese and seven contemporary violins at Mount SinaiHospital, and analyzed the wood densities.
The average wood density of the classical and modern violins did not differ significantly. However, the differences in wood density between early and late growth were significantly lower in the ancient violins.
Since differentials in wood density impact vibrational efficacy and thereby the production of sound, it is possible that this discovery may explain the superiority of these violins. This insight offers new possibilities into replicating the tonal qualities of these ancient instruments, as the researchers conclude in PLoS ONE.
posted by Brent Hugh at
7/02/2008
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