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The Physics of String Instruments

The Physics of String Instruments

par Chris Waltham - Professor, Department of Physics and Astronomy University of British Columbia Vancouver BC, Canada V6T 1Z1

le mardi 2 février 2010 à 16:00 Salle IAM 4ième étage

Résumé : The musical acoustics group at the University of British Columbia is studying the vibro-acoustics of different types of string instruments in a variety of ways. We have made measurements on several harps, small and large, old and new, professionally built and homemade. We have built a violin from balsa wood in order to test vibrational scaling phenomena. Most recently we have tested a guitar, violin, harp and guqin in atmospheres of helium and carbon dioxide in order to understand the behaviour of air and wood modes of vibration. I will present a summary of all our measurements. Our hope is to gain some insight into what makes a good instrument and an attractive sound.

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