APPLICATION OF THE PHYSICO-ACOUSTIC FOUNDATIONS OF TIMBRAL SOUND CHANGE WHEN LEARNING TO PLAY WIND INSTRUMENTS

Abstract

The article first touches upon the problem of physical and acoustic foundations of timbre change in sound when playing wind instruments. On the basis of the experimental studies carried out, an analysis of the physical patterns that affect the quality of the reproduced sound is carried out and practical recommendations are proposed for the development of control factors for this process. The modern software used for the experiments made it possible to visualize the spectral component of the sound and analyze the results, on the basis of which recommendations are developed for teachers and students on the methodology for working on the timbre quality of the sound of a wind instrument. In the course of the experiment, recordings of the sound of the instrument (trumpet) by highly qualified professional musicians and students of various degrees of preparedness are used. Analysis of sound spectrograms (recorded with a microphone) and spectrograms of performer’s chest vibrations (recorded using the Global Test AP 1006 vibration sensor) makes it possible to visually determine the influence of the quality and quantity of the overtone sound component on its timbre. The superposition (combination) of two spectrograms of performers on the trumpet of different skill levels of the leading soloists of symphony orchestras and students reveals a number of significant differences in the influence of the organization of the exhalation of the performer on the qualitative components of the sound.