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1704 Stradivarius violin recreated using CT imaging.

Washington, Nov 28 (ANI): A team of experts have created a reproduction of a 1704 Stradivarius violin using computed tomography (CT) imaging and advanced manufacturing techniques.

Antonio Stradivari, an Italian who lived from 1644 to 1737, is regarded as history's greatest violin-maker, and of the estimated 1,000 violins made by him, about 650 still exist and are highly prized for their unique sound quality.

There are many theories but no simple explanation for the superiority of the Stradivarius, as many factors influence a violin's sound, from the qualities of the wood to the instrument's shape, degree of arching and wood thickness.

"CT scanning offers a unique method of noninvasively imaging a historical object," Steven Sirr, a radiologist at FirstLight Medical Systems in Mora, Minn, said.

"Combined with computer-aided machinery, it also offers us the opportunity to create a reproduction with a high degree of accuracy," he said.

To create a violin with the same characteristics as the 1704 instrument known as "Betts", Sirr worked with professional violin makers John Waddle and Steve Rossow of St. Paul, Minn.

"We have two goals: to understand how the violin works and to make reproductions of the world's most prized violins available for young musicians who can't afford an original," Sirr said.

The original violin was scanned with a 64-detector CT, and more than 1,000 CT images were converted into stereolithographic files, which can be read by a computer-controlled router called a CNC machine.

The CNC machine, custom-made for the project by Rossow, then carved the back and front plates and scroll of the violin from various woods, and finally they finished, assembled and varnished the replica by hand.

"We believe this process of recreating old and valuable stringed instruments may have a profound influence upon modern string musicians," he added.

Sirr, who is an amateur violinist, first scanned a violin with CT out of curiosity, and late shared them with Waddle in 1989.

The two spent years scanning more than 100 violins, including 29 valuable instruments pre-dating 1827, and other stringed instruments to better understand their composition. (ANI)

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Publication:Asian News International
Date:Nov 28, 2011
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