Schleske.de

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Martin Schleske Master Studio For Violinmaking - Munich, Germany

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Comparison of the sound radiated by different violins (Stradivarius, Guarneri del Gesu, Carlo Bergonzi). Spatial representation of radiated sound. Explanation of the measurement techniques.

The techniques developed in the M ARTIN S CHLESKE M ASTER S TUDIO FOR V IOLINMAKING for assessing sound radiated by violins are based on the following steps:

Measurement of the radiated sound is based on a dual-channel Fourier transform. The ratio of the radiated sound pressure (p) to the excitation force (F) is determined. The analyzed quantities are displayed as absolute values. Both quantities (p and F) vary with frequency. This frequency dependency is normally represented as a function (meaning a diagram curve). Based on the shape of the curve, it is possible to read off the transfer factor for p/F ("power of the radiated sound") (y axis) for each frequency that is shown (x axis). This curve is known as a transfer function.

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