Washington, October 3 : Researchers at East Carolina University in Greenville, North Carolina, have identified a measurable sound quality that distinguishes the superior quality violins made by eighteenth-century Italian instrument-makers Stradivari and Guarneri del Gesu from cheap, factory-made instruments.
Research leader George Bissinger spent ten years painstakingly measuring the acoustics of violins rated from "bad" to "excellent" by professional musicians, and observed that the ''excellent'' old Italian violins in his sample showed a significantly stronger acoustic response in the lower octaves than did the ''bad'' violins.
The instruments rated merely “good” had intermediate values, the researcher said.