Abstract
Based on 1:10 scale models and computer simulations performed in this study, the number of players in an orchestra and their sound absorption are suggested as important factors affecting the sound in the hall. For the computer simulation, scale models of players were constructed and the absorption rates were measured in the reverberation chamber. The simulation results suggest that a sound absorption rate per person is affected by the density of the occupied area of the players, and the sound absorption coefficient is determined for the space per player. When comparing two spaces of different sizes with the same number of players, the reverberation time of the auditorium is largely affected by the players when the space is larger. If more than 5% of the sound absorbing area of the hall is occupied by players, the reverberation time is remarkably reduced because of the sound absorption of the players. Therefore, the results from this study can be utilized to more accurately predict the reverberation and clarity in the acoustic design.
Published Version
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