Sound pressure levels and sound source components for orchestra musicians
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The presented study aimed to do investigations on the balance of the sound components found at the ears of orchestra musicians. This was interesting as orchestra musicians are exposed to much sound in their vocational life and one would like to find the primary sources inducing the sound. Measurements were performed on four instruments. The trumpet was chosen as a representative for wind instruments, the oboe for woodwind instruments, and the violin together with the cello represented the string instruments. For the overall results, it was found that the direct sound of the self was likely to often be dominant or almost dominant at the ears of the trumpeter. The balance of the sound components shifted between dominance of the direct sound of the self-played instrument and the background, consisting of direct sound from others and the reverberant sound. The reverberant sound component was found to be less dominant and within 2-20\% for the oboe, the trumpet and the violin. It was found that the balance of the sound components was the most consistent for the trumpet, although more varied musical contents ought to be further tested.