Technique of Strain-Gauge Measurement of the Dynamic Characteristics of Percussion Music
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International Applied Mechanics, Vol. 56, No. 2, March, 2020
TECHNIQUE OF STRAIN-GAUGE MEASUREMENT OF THE DYNAMIC CHARACTERISTICS OF PERCUSSION MUSIC* V. À. Maksimyuk1, Å. À. Sushchenko1, and I. B. Fetisov2
An experimental technique for studying the duration and intensity of percussion music is described. The idea of anisochronous rhythm in the Ukrainian folk dance music is confirmed experimentally. The role of intensity in folktune and rhythmical pattern of particular measures is demonstrated. The question of different types of the interaction between the duration and intensity during musical performance as key means of musical expression in drumming is addressed. Keywords: experiment, resistance strain gage, folk music, anisochronous rhythm Introduction. Theoretical and experimental studies on solid mechanics are of interest not only in engineering, but also in arts [1, 6]. It has recently become important to measure with adequate accuracy the temporal and response characteristics of not only engineering devices [9], but also folk music [1]. The inspirer of such research was one of the authors of this article, the leader of the Bozhich³ Ukrainian authentic music group [3] who noticed the anisochronous rhythms of folk music performed by an authentic drummer, unlike the isochronism of nonauthentic percussion players. We are unaware whether Ukrainian critics and scientists are interested in this phenomenon. It appeared however that foreign scientists have studied the anisochronism of world rhythms for the last decade [8, 10]. Historical Background. Stetson [12] and Woodrow [18] were apparently the first to become interested in the perceived relationship between the duration and intensity of sounds in music. Later, Bengtsson and Gabrielsson [5] hypothesized the presence of regular variability of sound duration in live performed music (either written or oral). Based on research of the reduction of time intervals in music as means of expressiveness, Todd [16] stated that “a complete theory of expression must account for intensity.” He also studied the relationship between volume and rate [17], which is close to the relationship between intensity and duration. Mazurenko [2], a contemporary Ukrainian researcher of traditional vocal music who uses computer analysis of audio records, stated that “dynamics and timbre can be processed and then used for forming a set of parameters; however, such a research is still being developed and has not yet been applied.” Experimental Procedure. Apparently, this situation with research on dynamic processes in music in general and folk music in particular is due to the absence of objective data on the volume of music because the volume heard by the performer and the volume on the oscillogram are not consistent, scientists usually analyzing audiofiles. Depending on their specifications, microphones (either external or built in) have different dynamic ranges and, hence, different capabilities to transmit volume
1S. P. Timoshenko Institute of Mechanics, National Academy of Sciences of Uk
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