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Wednesday, July 10 • 17:10 - 17:30
EXPERIMENTAL MUSICAL INSTRUMENTS FOR ACOUSTICS TEACHING

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Experimental musical instruments are made with objects put to new use. They can be used for producing musical performance, for teaching music or for producing visual art. Experimental musical instruments can also be used as teaching material for illustrating courses of acoustics, wave physics and sound engineering. An educational toolkit, consisting in a collection of minimal experimental musical instruments has been defined in order to present the different classes of mechanisms involved in many usual acoustic sources. They are described by action verbs: plucking, striking, rubbing, whistling, blowing a reead, buzzing. All instruments are chosen to be illustrative of clear and independent physical phenomena. Their design is minimalist in order to be reproduced at very low cost. The educational tookit is used in three different teaching situations are: 1/ Using experimental musical instruments with Young children (5-10 years old) permits to classify the different types of mechanisms and to use the ears to experiment the links between the pitch and some geometrical characteristics. 2/ The same instruments can also be used in undergraduate courses for acoustic experiments, introducing the structure of musical sounds, the first representations of signals, the first models of the links between pitch and geometry. 3/ In a master course or in a engineering school course, these experimental musical instruments can also be used to test basic and advanced physical models of sound production. Sound synthesis is based on a minimalist description of the excitation, a modal representation of the resonant element of the instrument, and a finite difference scheme to describe the time variation of the resonator acceleration at selected points. The purpose of the communication is to present the instruments of the educational toolkit and their use in the three mentioned contexts in order to examine the induced pedagogical leverage effects.


Wednesday July 10, 2019 17:10 - 17:30 EDT
Outremont 7
  T13 Acoustical education, SS01 Educ in ac: catching attention …